import sys
import struct
import platform
import tempfile
import itertools
from pathlib import Path

import numpy as np

import tables as tb
from tables.tests import common


# To know whether the interpreter is 32 or 64 bit
def is_python_64bit():
    return struct.calcsize("P") == 8


# To know whether the os platform is 32 or 64 bit
def is_os_64bit():
    return platform.machine().endswith("64")


# Test Record class
class Record(tb.IsDescription):
    var1 = tb.StringCol(itemsize=4, dflt=b"abcd", pos=0)  # 4-character String
    var2 = tb.IntCol(dflt=1, pos=1)  # integer
    var3 = tb.Int16Col(dflt=2, pos=2)  # short integer
    var4 = tb.Float64Col(dflt=3.1, pos=3)  # double (double-precision)
    var5 = tb.Float32Col(dflt=4.2, pos=4)  # float  (single-precision)
    var6 = tb.UInt16Col(dflt=5, pos=5)  # unsigned short integer
    var7 = tb.StringCol(itemsize=1, dflt=b"e", pos=6)  # 1-character String
    var8 = tb.BoolCol(dflt=True, pos=7)  # boolean
    var9 = tb.ComplexCol(
        itemsize=8, dflt=(0.0 + 1.0j), pos=8
    )  # Complex single precision
    var10 = tb.ComplexCol(
        itemsize=16, dflt=(1.0 - 0.0j), pos=9
    )  # Complex double precision
    if hasattr(tb, "Float16Col"):
        var11 = tb.Float16Col(dflt=6.4)  # float  (half-precision)
    if hasattr(tb, "Float96Col"):
        var12 = tb.Float96Col(dflt=6.4)  # float  (extended precision)
    if hasattr(tb, "Float128Col"):
        var13 = tb.Float128Col(dflt=6.4)  # float  (extended precision)
    if hasattr(tb, "Complex192Col"):
        var14 = tb.ComplexCol(
            itemsize=24, dflt=(1.0 - 0.0j)
        )  # Complex double (extended precision)
    if hasattr(tb, "Complex256Col"):
        var15 = tb.ComplexCol(
            itemsize=32, dflt=(1.0 - 0.0j)
        )  # Complex double (extended precision)


#  Dictionary definition
RecordDescriptionDict = {
    "var1": tb.StringCol(itemsize=4, dflt=b"abcd", pos=0),  # 4-char String
    "var2": tb.IntCol(dflt=1, pos=1),  # integer
    "var3": tb.Int16Col(dflt=2, pos=2),  # short integer
    "var4": tb.Float64Col(dflt=3.1, pos=3),  # double (double-precision)
    "var5": tb.Float32Col(dflt=4.2, pos=4),  # float  (single-precision)
    "var6": tb.UInt16Col(dflt=5, pos=5),  # unsigned short integer
    "var7": tb.StringCol(itemsize=1, dflt=b"e", pos=6),  # 1-character String
    "var8": tb.BoolCol(dflt=True, pos=7),  # boolean
    "var9": tb.ComplexCol(
        itemsize=8, dflt=(0.0 + 1.0j), pos=8
    ),  # Complex single precision
    "var10": tb.ComplexCol(
        itemsize=16, dflt=(1.0 - 0.0j), pos=9
    ),  # Complex double precision
}

if hasattr(tb, "Float16Col"):
    # float  (half-precision)
    RecordDescriptionDict["var11"] = tb.Float16Col(dflt=6.4)
if hasattr(tb, "Float96Col"):
    # float  (extended precision)
    RecordDescriptionDict["var12"] = tb.Float96Col(dflt=6.4)
if hasattr(tb, "Float128Col"):
    # float  (extended precision)
    RecordDescriptionDict["var13"] = tb.Float128Col(dflt=6.4)
if hasattr(tb, "Complex192Col"):
    # Complex double (extended precision)
    RecordDescriptionDict["var14"] = tb.ComplexCol(
        itemsize=24, dflt=(1.0 - 0.0j)
    )
if hasattr(tb, "Complex256Col"):
    # Complex double (extended precision)
    RecordDescriptionDict["var15"] = tb.ComplexCol(
        itemsize=32, dflt=(1.0 - 0.0j)
    )


# Old fashion of defining tables (for testing backward compatibility)
class OldRecord(tb.IsDescription):
    var1 = tb.StringCol(itemsize=4, dflt=b"abcd", pos=0)
    var2 = tb.Col.from_type("int32", (), 1, pos=1)
    var3 = tb.Col.from_type("int16", (), 2, pos=2)
    var4 = tb.Col.from_type("float64", (), 3.1, pos=3)
    var5 = tb.Col.from_type("float32", (), 4.2, pos=4)
    var6 = tb.Col.from_type("uint16", (), 5, pos=5)
    var7 = tb.StringCol(itemsize=1, dflt=b"e", pos=6)
    var8 = tb.Col.from_type("bool", shape=(), dflt=1, pos=7)
    var9 = tb.ComplexCol(itemsize=8, shape=(), dflt=(0.0 + 1.0j), pos=8)
    var10 = tb.ComplexCol(itemsize=16, shape=(), dflt=(1.0 - 0.0j), pos=9)
    if hasattr(tb, "Float16Col"):
        var11 = tb.Col.from_type("float16", (), 6.4)
    if hasattr(tb, "Float96Col"):
        var12 = tb.Col.from_type("float96", (), 6.4)
    if hasattr(tb, "Float128Col"):
        var13 = tb.Col.from_type("float128", (), 6.4)
    if hasattr(tb, "Complex192Col"):
        var14 = tb.ComplexCol(itemsize=24, shape=(), dflt=(1.0 - 0.0j))
    if hasattr(tb, "Complex256Col"):
        var15 = tb.ComplexCol(itemsize=32, shape=(), dflt=(1.0 - 0.0j))


class BasicTestCase(common.TempFileMixin, common.PyTablesTestCase):
    # file  = "test.h5"
    open_mode = "w"
    title = "This is the table title"
    expectedrows = 100
    appendrows = 20
    compress = 0
    shuffle = 0
    bitshuffle = 0
    fletcher32 = 0
    complib = "zlib"  # Default compression library
    record = Record
    recarrayinit = 0
    maxshort = 1 << 15

    def setUp(self):
        super().setUp()

        # Create an instance of an HDF5 Table
        self.rootgroup = self.h5file.root
        self.populateFile()
        self.h5file.close()

    def initRecArray(self):
        record = self.recordtemplate
        row = record[0]
        buflist = []
        # Fill the recarray
        for i in range(self.expectedrows):
            tmplist = []
            var1 = "%04d" % (self.expectedrows - i)
            tmplist.append(var1)
            var2 = i
            tmplist.append(var2)
            var3 = i % self.maxshort
            tmplist.append(var3)
            if isinstance(row["var4"], np.ndarray):
                tmplist.append([float(i), float(i * i)])
            else:
                tmplist.append(float(i))
            if isinstance(row["var5"], np.ndarray):
                tmplist.append(np.array((float(i),) * 4))
            else:
                tmplist.append(float(i))
            # var6 will be like var3 but byteswaped
            tmplist.append(((var3 >> 8) & 0xFF) + ((var3 << 8) & 0xFF00))
            var7 = var1[-1]
            tmplist.append(var7)
            if isinstance(row["var8"], np.ndarray):
                tmplist.append([0, 10])  # should be equivalent to [0,1]
            else:
                tmplist.append(10)  # should be equivalent to 1
            if isinstance(row["var9"], np.ndarray):
                tmplist.append([0.0 + float(i) * 1j, float(i) + 0.0j])
            else:
                tmplist.append(float(i) + 0j)
            if isinstance(row["var10"], np.ndarray):
                tmplist.append([float(i) + 0j, 1 + float(i) * 1j])
            else:
                tmplist.append(1 + float(i) * 1j)
            if hasattr(tb, "Float16Col"):
                if isinstance(row["var11"], np.ndarray):
                    tmplist.append(np.array((float(i),) * 4))
                else:
                    tmplist.append(float(i))
            if hasattr(tb, "Float96Col"):
                if isinstance(row["var12"], np.ndarray):
                    tmplist.append(np.array((float(i),) * 4))
                else:
                    tmplist.append(float(i))
            if hasattr(tb, "Float128Col"):
                if isinstance(row["var13"], np.ndarray):
                    tmplist.append(np.array((float(i),) * 4))
                else:
                    tmplist.append(float(i))
            if hasattr(tb, "Complex192Col"):
                if isinstance(row["var14"], np.ndarray):
                    tmplist.append([float(i) + 0j, 1 + float(i) * 1j])
                else:
                    tmplist.append(1 + float(i) * 1j)
            if hasattr(tb, "Complex256Col"):
                if isinstance(row["var15"], np.ndarray):
                    tmplist.append([float(i) + 0j, 1 + float(i) * 1j])
                else:
                    tmplist.append(1 + float(i) * 1j)

            buflist.append(tuple(tmplist))

        self.record = np.rec.array(
            buflist, dtype=record.dtype, shape=self.expectedrows
        )

    def populateFile(self):
        group = self.rootgroup
        if self.recarrayinit:
            # Initialize a starting buffer, if any
            self.initRecArray()
        for j in range(3):
            # Create a table
            filterprops = tb.Filters(
                complevel=self.compress,
                shuffle=self.shuffle,
                bitshuffle=self.bitshuffle,
                fletcher32=self.fletcher32,
                complib=self.complib,
            )
            if j < 2:
                byteorder = sys.byteorder
            else:
                # table2 will be byteswapped
                byteorder = {"little": "big", "big": "little"}[sys.byteorder]
            table = self.h5file.create_table(
                group,
                "table" + str(j),
                self.record,
                title=self.title,
                filters=filterprops,
                expectedrows=self.expectedrows,
                byteorder=byteorder,
            )
            if not self.recarrayinit:
                # Get the row object associated with the new table
                row = table.row
                # Fill the table
                for i in range(self.expectedrows):
                    s = "%04d" % (self.expectedrows - i)
                    row["var1"] = s.encode("ascii")
                    row["var7"] = s[-1].encode("ascii")
                    # row['var7'] = ('%04d' % (self.expectedrows - i))[-1]
                    row["var2"] = i
                    row["var3"] = i % self.maxshort
                    if isinstance(row["var4"], np.ndarray):
                        row["var4"] = [float(i), float(i * i)]
                    else:
                        row["var4"] = float(i)
                    if isinstance(row["var8"], np.ndarray):
                        row["var8"] = [0, 1]
                    else:
                        row["var8"] = 1
                    if isinstance(row["var9"], np.ndarray):
                        row["var9"] = [0.0 + float(i) * 1j, float(i) + 0.0j]
                    else:
                        row["var9"] = float(i) + 0.0j
                    if isinstance(row["var10"], np.ndarray):
                        row["var10"] = [float(i) + 0.0j, 1.0 + float(i) * 1j]
                    else:
                        row["var10"] = 1.0 + float(i) * 1j
                    if isinstance(row["var5"], np.ndarray):
                        row["var5"] = np.array((float(i),) * 4)
                    else:
                        row["var5"] = float(i)
                    if hasattr(tb, "Float16Col"):
                        if isinstance(row["var11"], np.ndarray):
                            row["var11"] = np.array((float(i),) * 4)
                        else:
                            row["var11"] = float(i)
                    if hasattr(tb, "Float96Col"):
                        if isinstance(row["var12"], np.ndarray):
                            row["var12"] = np.array((float(i),) * 4)
                        else:
                            row["var12"] = float(i)
                    if hasattr(tb, "Float128Col"):
                        if isinstance(row["var13"], np.ndarray):
                            row["var13"] = np.array((float(i),) * 4)
                        else:
                            row["var13"] = float(i)
                    if hasattr(tb, "Complex192Col"):
                        if isinstance(row["var14"], np.ndarray):
                            row["var14"] = [float(i) + 0j, 1 + float(i) * 1j]
                        else:
                            row["var14"] = 1 + float(i) * 1j
                    if hasattr(tb, "Complex256Col"):
                        if isinstance(row["var15"], np.ndarray):
                            row["var15"] = [float(i) + 0j, 1 + float(i) * 1j]
                        else:
                            row["var15"] = 1 + float(i) * 1j

                    # var6 will be like var3 but byteswaped
                    row["var6"] = ((row["var3"] >> 8) & 0xFF) + (
                        (row["var3"] << 8) & 0xFF00
                    )
                    # print("Saving -->", row)
                    row.append()

            # Flush the buffer for this table
            table.flush()
            # Create a new group (descendant of group)
            group2 = self.h5file.create_group(group, "group" + str(j))
            # Iterate over this new group (group2)
            group = group2

    def test00_description(self):
        """Checking table description and descriptive fields."""

        self.h5file = tb.open_file(self.h5fname)

        tbl = self.h5file.get_node("/table0")
        desc = tbl.description

        if isinstance(self.record, dict):
            columns = self.record
        elif isinstance(self.record, np.ndarray):
            descr, _ = tb.description.descr_from_dtype(self.record.dtype)
            columns = descr._v_colobjects
        elif isinstance(self.record, np.dtype):
            descr, _ = tb.description.descr_from_dtype(self.record)
            columns = descr._v_colobjects
        else:
            # This is an ordinary description.
            columns = self.record.columns

        # Check table and description attributes at the same time.
        # These checks are only valid for non-nested tables.

        # Column names.
        fix_n_column = 10
        expectedNames = ["var%d" % n for n in range(1, fix_n_column + 1)]
        types = ("float16", "float96", "float128", "complex192", "complex256")
        for n, typename in enumerate(types, fix_n_column + 1):
            name = typename.capitalize() + "Col"
            if hasattr(tb, name):
                expectedNames.append("var%d" % n)

        self.assertEqual(expectedNames, list(tbl.colnames))
        self.assertEqual(expectedNames, list(desc._v_names))

        # Column instances.
        for colname in expectedNames:
            self.assertTrue(
                tbl.colinstances[colname] is tbl.cols._f_col(colname)
            )

        # Column types.
        expectedTypes = [columns[colname].dtype for colname in expectedNames]
        self.assertEqual(
            expectedTypes, [tbl.coldtypes[v] for v in expectedNames]
        )
        self.assertEqual(
            expectedTypes, [desc._v_dtypes[v] for v in expectedNames]
        )

        # Column string types.
        expectedTypes = [columns[colname].type for colname in expectedNames]
        self.assertEqual(
            expectedTypes, [tbl.coltypes[v] for v in expectedNames]
        )
        self.assertEqual(
            expectedTypes, [desc._v_types[v] for v in expectedNames]
        )

        # Column defaults.
        for v in expectedNames:
            if common.verbose:
                print("dflt-->", columns[v].dflt, type(columns[v].dflt))
                print("coldflts-->", tbl.coldflts[v], type(tbl.coldflts[v]))
                print(
                    "desc.dflts-->", desc._v_dflts[v], type(desc._v_dflts[v])
                )
            self.assertTrue(
                common.areArraysEqual(tbl.coldflts[v], columns[v].dflt)
            )
            self.assertTrue(
                common.areArraysEqual(desc._v_dflts[v], columns[v].dflt)
            )

        # Column path names.
        self.assertEqual(expectedNames, list(desc._v_pathnames))

        # Column objects.
        for colName in expectedNames:
            expectedCol = columns[colName]
            col = desc._v_colobjects[colName]

            self.assertEqual(expectedCol.dtype, col.dtype)
            self.assertEqual(expectedCol.type, col.type)

    def test01_readTable(self):
        """Checking table read."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Choose a small value for buffer size
        table.nrowsinbuf = 3
        # Read the records and select those with "var2" file less than 20
        result = [rec["var2"] for rec in table.iterrows() if rec["var2"] < 20]
        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last record in table ==>", table[-1])
            print("Total selected records in table ==> ", len(result))
        nrows = self.expectedrows - 1
        rec = list(table.iterrows())[-1]
        self.assertEqual(
            (rec["var1"], rec["var2"], rec["var7"]), (b"0001", nrows, b"1")
        )
        if isinstance(rec["var5"], np.ndarray):
            self.assertTrue(
                common.allequal(
                    rec["var5"], np.array((float(nrows),) * 4, np.float32)
                )
            )
        else:
            self.assertEqual(rec["var5"], float(nrows))
        if isinstance(rec["var9"], np.ndarray):
            self.assertTrue(
                common.allequal(
                    rec["var9"],
                    np.array(
                        [0.0 + float(nrows) * 1.0j, float(nrows) + 0.0j],
                        np.complex64,
                    ),
                )
            )
        else:
            self.assertEqual((rec["var9"]), float(nrows) + 0.0j)
        self.assertEqual(len(result), 20)

    def test01a_fetch_all_fields(self):
        """Checking table read (using Row.fetch_all_fields)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test01a_fetch_all_fields..."
                % self.__class__.__name__
            )

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Choose a small value for buffer size
        table.nrowsinbuf = 3
        # Read the records and select those with "var2" file less than 20
        result = [
            rec.fetch_all_fields()
            for rec in table.iterrows()
            if rec["var2"] < 20
        ]
        rec = result[-1]
        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last record in table ==>", rec)
            print("Total selected records in table ==> ", len(result))
        nrows = 20 - 1
        strnrows = "%04d" % (self.expectedrows - nrows)
        strnrows = strnrows.encode("ascii")
        self.assertEqual(
            (rec["var1"], rec["var2"], rec["var7"]), (strnrows, nrows, b"1")
        )
        if isinstance(rec["var5"], np.ndarray):
            self.assertTrue(
                common.allequal(
                    rec["var5"], np.array((float(nrows),) * 4, np.float32)
                )
            )
        else:
            self.assertEqual(rec["var5"], float(nrows))
        if isinstance(rec["var9"], np.ndarray):
            self.assertTrue(
                common.allequal(
                    rec["var9"],
                    np.array(
                        [0.0 + float(nrows) * 1.0j, float(nrows) + 0.0j],
                        np.complex64,
                    ),
                )
            )
        else:
            self.assertEqual(rec["var9"], float(nrows) + 0.0j)
        self.assertEqual(len(result), 20)

    def test01a_integer(self):
        """Checking table read (using Row[integer])"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01a_integer..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Choose a small value for buffer size
        table.nrowsinbuf = 3
        # Read the records and select those with "var2" file less than 20
        result = [rec[1] for rec in table.iterrows() if rec["var2"] < 20]
        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Total selected records in table ==> ", len(result))
            print("All results ==>", result)
        self.assertEqual(len(result), 20)
        self.assertEqual(result, list(range(20)))

    def test01a_extslice(self):
        """Checking table read (using Row[::2])"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01a_extslice..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Choose a small value for buffer size
        table.nrowsinbuf = 3
        # Read the records and select those with "var2" file less than 20
        result = [rec[::2] for rec in table.iterrows() if rec["var2"] < 20]
        rec = result[-1]
        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last record in table ==>", rec)
            print("Total selected records in table ==> ", len(result))
        nrows = 20 - 1
        strnrows = "%04d" % (self.expectedrows - nrows)
        strnrows = strnrows.encode("ascii")
        self.assertEqual(rec[:2], (strnrows, 19))
        self.assertEqual(rec[3], b"1")
        if isinstance(rec[2], np.ndarray):
            self.assertTrue(
                common.allequal(
                    rec[2], np.array((float(nrows),) * 4, np.float32)
                )
            )
        else:
            self.assertEqual(rec[2], nrows)
        if isinstance(rec[4], np.ndarray):
            self.assertTrue(
                common.allequal(
                    rec[4],
                    np.array(
                        [0.0 + float(nrows) * 1.0j, float(nrows) + 0.0j],
                        np.complex64,
                    ),
                )
            )
        else:
            self.assertEqual(rec[4], float(nrows) + 0.0j)
        self.assertEqual(len(result), 20)

    def test01a_nofield(self):
        """Checking table read (using Row['no-field'])"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01a_nofield..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Check that a KeyError is raised
        # self.assertRaises only work with functions
        # self.assertRaises(KeyError, [rec['no-field'] for rec in table])
        with self.assertRaises(KeyError):
            result = [rec["no-field"] for rec in table]
            if common.verbose:
                print("result:", result)

    def test01a_badtypefield(self):
        """Checking table read (using Row[{}])"""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test01a_badtypefield..." % self.__class__.__name__
            )

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Check that a TypeError is raised
        # self.assertRaises only work with functions
        # self.assertRaises(TypeError, [rec[{}] for rec in table])
        with self.assertRaises(TypeError):
            result = [rec[{}] for rec in table]
            if common.verbose:
                print("result:", result)

    def test01b_readTable(self):
        """Checking table read and cuts (multidimensional columns case)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01b_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Choose a small value for buffer size
        table.nrowsinbuf = 3
        # Read the records and select those with "var2" file less than 20
        result = [rec["var5"] for rec in table.iterrows() if rec["var2"] < 20]
        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last record in table ==>", table[-1])
            print("rec['var5'] ==>", table[-1]["var5"], end=" ")
            print("nrows ==>", table.nrows)
            print("Total selected records in table ==> ", len(result))
        nrows = table.nrows
        rec = list(table.iterrows())[-1]
        if isinstance(rec["var5"], np.ndarray):
            np.testing.assert_array_equal(
                result[0], np.array((float(0),) * 4, np.float32)
            )
            np.testing.assert_array_equal(
                result[1], np.array((float(1),) * 4, np.float32)
            )
            np.testing.assert_array_equal(
                result[2], np.array((float(2),) * 4, np.float32)
            )
            np.testing.assert_array_equal(
                result[3], np.array((float(3),) * 4, np.float32)
            )
            np.testing.assert_array_equal(
                result[10], np.array((float(10),) * 4, np.float32)
            )
            np.testing.assert_array_equal(
                rec["var5"], np.array((float(nrows - 1),) * 4, np.float32)
            )
        else:
            self.assertEqual(rec["var5"], float(nrows - 1))

        # Read the records and select those with "var2" file less than 20
        result = [
            record["var10"]
            for record in table.iterrows()
            if record["var2"] < 20
        ]
        if isinstance(rec["var10"], np.ndarray):
            np.testing.assert_array_equal(
                result[0],
                np.array(
                    [float(0) + 0.0j, 1.0 + float(0) * 1j], np.complex128
                ),
            )
            np.testing.assert_array_equal(
                result[1],
                np.array(
                    [float(1) + 0.0j, 1.0 + float(1) * 1j], np.complex128
                ),
            )
            np.testing.assert_array_equal(
                result[2],
                np.array(
                    [float(2) + 0.0j, 1.0 + float(2) * 1j], np.complex128
                ),
            )
            np.testing.assert_array_equal(
                result[3],
                np.array(
                    [float(3) + 0.0j, 1.0 + float(3) * 1j], np.complex128
                ),
            )
            np.testing.assert_array_equal(
                result[10],
                np.array(
                    [float(10) + 0.0j, 1.0 + float(10) * 1j], np.complex128
                ),
            )
            np.testing.assert_array_equal(
                rec["var10"],
                np.array(
                    [float(nrows - 1) + 0.0j, 1.0 + float(nrows - 1) * 1j],
                    np.complex128,
                ),
            )
        else:
            self.assertEqual(rec["var10"], 1.0 + float(nrows - 1) * 1j)
        self.assertEqual(len(result), 20)

    def test01c_readTable(self):
        """Checking nested iterators (reading)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01c_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Read the records and select those with "var2" file less than 20
        result = []
        for rec in table.iterrows(stop=2):
            for rec2 in table.iterrows(stop=2):
                if rec2["var2"] < 20:
                    result.append([rec["var2"], rec2["var2"]])
        if common.verbose:
            print("result ==>", result)

        self.assertEqual(result, [[0, 0], [0, 1], [1, 0], [1, 1]])

    def test01d_readTable(self):
        """Checking nested iterators (reading, mixed conditions)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01d_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Read the records and select those with "var2" file less than 20
        result = []
        for rec in table.iterrows(stop=2):
            for rec2 in table.where("var2 < 20", stop=2):
                result.append([rec["var2"], rec2["var2"]])
        if common.verbose:
            print("result ==>", result)

        self.assertEqual(result, [[0, 0], [0, 1], [1, 0], [1, 1]])

    def test01e_readTable(self):
        """Checking nested iterators (reading, both conditions)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01e_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Read the records and select those with "var2" file less than 20
        result = []
        for rec in table.where("var3 < 2"):
            for rec2 in table.where("var2 < 3"):
                result.append([rec["var2"], rec2["var3"]])
        if common.verbose:
            print("result ==>", result)

        self.assertEqual(
            result, [[0, 0], [0, 1], [0, 2], [1, 0], [1, 1], [1, 2]]
        )

    def test01f_readTable(self):
        """Checking nested iterators (reading, break in the loop)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01f_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Read the records and select those with "var2" file less than 20
        result = []
        for rec in table.where("var3 < 2"):
            for rec2 in table.where("var2 < 4"):
                if rec2["var2"] >= 3:
                    break
                result.append([rec["var2"], rec2["var3"]])
        if common.verbose:
            print("result ==>", result)

        self.assertEqual(
            result, [[0, 0], [0, 1], [0, 2], [1, 0], [1, 1], [1, 2]]
        )

    def test01g_readTable(self):
        """Checking iterator with an evanescent table."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01g_readTable..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")

        # Read from an evanescent table
        result = [
            rec["var2"]
            for rec in self.h5file.get_node("/table0")
            if rec["var2"] < 20
        ]

        self.assertEqual(len(result), 20)

    def test02_AppendRows(self):
        """Checking whether appending record rows works or not."""

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")
        self.rootgroup = self.h5file.root
        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02_AppendRows..." % self.__class__.__name__)

        # Get a table
        table = self.h5file.get_node("/group0/table1")
        # Get their row object
        row = table.row
        if common.verbose:
            print("Nrows in old", table._v_pathname, ":", table.nrows)
            print("Record Format ==>", table.description._v_nested_formats)
            print("Record Size ==>", table.rowsize)
        # Append some rows
        for i in range(self.appendrows):
            s = "%04d" % (self.appendrows - i)
            row["var1"] = s.encode("ascii")
            row["var7"] = s[-1].encode("ascii")
            row["var2"] = i
            row["var3"] = i % self.maxshort
            if isinstance(row["var4"], np.ndarray):
                row["var4"] = [float(i), float(i * i)]
            else:
                row["var4"] = float(i)
            if isinstance(row["var8"], np.ndarray):
                row["var8"] = [0, 1]
            else:
                row["var8"] = 1
            if isinstance(row["var9"], np.ndarray):
                row["var9"] = [0.0 + float(i) * 1j, float(i) + 0.0j]
            else:
                row["var9"] = float(i) + 0.0j
            if isinstance(row["var10"], np.ndarray):
                row["var10"] = [float(i) + 0.0j, 1.0 + float(i) * 1j]
            else:
                row["var10"] = 1.0 + float(i) * 1j
            if isinstance(row["var5"], np.ndarray):
                row["var5"] = np.array((float(i),) * 4)
            else:
                row["var5"] = float(i)
            if hasattr(tb, "Float16Col"):
                if isinstance(row["var11"], np.ndarray):
                    row["var11"] = np.array((float(i),) * 4)
                else:
                    row["var11"] = float(i)
            if hasattr(tb, "Float96Col"):
                if isinstance(row["var12"], np.ndarray):
                    row["var12"] = np.array((float(i),) * 4)
                else:
                    row["var12"] = float(i)
            if hasattr(tb, "Float128Col"):
                if isinstance(row["var13"], np.ndarray):
                    row["var13"] = np.array((float(i),) * 4)
                else:
                    row["var13"] = float(i)
            if hasattr(tb, "Complex192Col"):
                if isinstance(row["var14"], np.ndarray):
                    row["var14"] = [float(i) + 0j, 1 + float(i) * 1j]
                else:
                    row["var14"] = 1 + float(i) * 1j
            if hasattr(tb, "Complex256Col"):
                if isinstance(row["var15"], np.ndarray):
                    row["var15"] = [float(i) + 0j, 1 + float(i) * 1j]
                else:
                    row["var15"] = 1 + float(i) * 1j

            row.append()

        # Flush the buffer for this table and read it
        table.flush()
        result = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        nrows = self.appendrows - 1
        row = list(table.iterrows())[-1]
        self.assertEqual(
            (row["var1"], row["var2"], row["var7"]), (b"0001", nrows, b"1")
        )
        if isinstance(row["var5"], np.ndarray):
            self.assertTrue(
                common.allequal(
                    row["var5"], np.array((float(nrows),) * 4, np.float32)
                )
            )
        else:
            self.assertEqual(row["var5"], float(nrows))
        if self.appendrows <= 20:
            add = self.appendrows
        else:
            add = 20
        self.assertEqual(len(result), 20 + add)  # because we appended new rows

    # This test has been commented out because appending records without
    # flushing them explicitely is being warned from now on.
    # F. Alted 2006-08-03
    def _test02a_AppendRows(self):
        """Checking appending records without flushing explicitly."""

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")
        self.rootgroup = self.h5file.root
        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02a_AppendRows..." % self.__class__.__name__)

        group = self.rootgroup
        for group_i in range(3):
            # Get a table
            table = self.h5file.get_node(group, "table" + str(group_i))
            # Get the next group
            group = self.h5file.get_node(group, "group" + str(group_i))
            # Get their row object
            row = table.row
            if common.verbose:
                print("Nrows in old", table._v_pathname, ":", table.nrows)
                print("Record Format ==>", table.description._v_nested_formats)
                print("Record Size ==>", table.rowsize)
            # Append some rows
            for row_i in range(self.appendrows):
                row["var1"] = "%04d" % (self.appendrows - row_i)
                row["var7"] = row["var1"][-1]
                row["var2"] = row_i
                row["var3"] = row_i % self.maxshort
                if isinstance(row["var4"], np.ndarray):
                    row["var4"] = [float(row_i), float(row_i * row_i)]
                else:
                    row["var4"] = float(row_i)
                if isinstance(row["var8"], np.ndarray):
                    row["var8"] = [0, 1]
                else:
                    row["var8"] = 1
                if isinstance(row["var9"], np.ndarray):
                    row["var9"] = [
                        0.0 + float(row_i) * 1j,
                        float(row_i) + 0.0j,
                    ]
                else:
                    row["var9"] = float(row_i) + 0.0j
                if isinstance(row["var10"], np.ndarray):
                    row["var10"] = [
                        float(row_i) + 0.0j,
                        1.0 + float(row_i) * 1j,
                    ]
                else:
                    row["var10"] = 1.0 + float(row_i) * 1j
                if isinstance(row["var5"], np.ndarray):
                    row["var5"] = np.array((float(row_i),) * 4)
                else:
                    row["var5"] = float(row_i)
                if hasattr(tb, "Float16Col"):
                    if isinstance(row["var11"], np.ndarray):
                        row["var11"] = np.array((float(row_i),) * 4)
                    else:
                        row["var11"] = float(row_i)
                if hasattr(tb, "Float96Col"):
                    if isinstance(row["var12"], np.ndarray):
                        row["var12"] = np.array((float(row_i),) * 4)
                    else:
                        row["var12"] = float(row_i)
                if hasattr(tb, "Float128Col"):
                    if isinstance(row["var13"], np.ndarray):
                        row["var13"] = np.array((float(row_i),) * 4)
                    else:
                        row["var13"] = float(row_i)
                if hasattr(tb, "Complex192Col"):
                    if isinstance(row["var14"], np.ndarray):
                        row["var14"] = [
                            float(row_i) + 0j,
                            1 + float(row_i) * 1j,
                        ]
                    else:
                        row["var14"] = 1 + float(row_i) * 1j
                if hasattr(tb, "Complex256Col"):
                    if isinstance(row["var15"], np.ndarray):
                        row["var15"] = [
                            float(row_i) + 0j,
                            1 + float(row_i) * 1j,
                        ]
                    else:
                        row["var15"] = 1 + float(row_i) * 1j

                row.append()
            table.flush()

        # Close the file and re-open it.
        self.h5file.close()

        self.h5file = tb.open_file(self.h5fname, mode="a")
        table = self.h5file.root.table0
        # Flush the buffer for this table and read it
        result = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        nrows = self.appendrows - 1
        self.assertEqual(
            (row["var1"], row["var2"], row["var7"]), ("0001", nrows, "1")
        )
        if isinstance(row["var5"], np.ndarray):
            self.assertTrue(
                common.allequal(
                    row["var5"], np.array((float(nrows),) * 4, np.float32)
                )
            )
        else:
            self.assertEqual(row["var5"], float(nrows))
        if self.appendrows <= 20:
            add = self.appendrows
        else:
            add = 20
        self.assertEqual(len(result), 20 + add)  # because we appended new rows

    def test02b_AppendRows(self):
        """Checking whether appending *and* reading rows works or not"""

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")
        self.rootgroup = self.h5file.root
        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02b_AppendRows..." % self.__class__.__name__)

        # Get a table
        table = self.h5file.get_node("/group0/table1")
        if common.verbose:
            print("Nrows in old", table._v_pathname, ":", table.nrows)
            print("Record Format ==>", table.description._v_nested_formats)
            print("Record Size ==>", table.rowsize)
        # Set a small number of buffer to make this test faster
        table.nrowsinbuf = 3
        # Get their row object
        row = table.row
        # Append some rows (3 * table.nrowsinbuf is enough for
        # checking purposes)
        for i in range(3 * table.nrowsinbuf):
            s = "%04d" % (self.appendrows - i)
            row["var1"] = s.encode("ascii")
            row["var7"] = s[-1].encode("ascii")
            # row['var7'] = table.cols['var1'][i][-1]
            row["var2"] = i
            row["var3"] = i % self.maxshort
            if isinstance(row["var4"], np.ndarray):
                row["var4"] = [float(i), float(i * i)]
            else:
                row["var4"] = float(i)
            if isinstance(row["var8"], np.ndarray):
                row["var8"] = [0, 1]
            else:
                row["var8"] = 1
            if isinstance(row["var9"], np.ndarray):
                row["var9"] = [0.0 + float(i) * 1j, float(i) + 0.0j]
            else:
                row["var9"] = float(i) + 0.0j
            if isinstance(row["var10"], np.ndarray):
                row["var10"] = [float(i) + 0.0j, 1.0 + float(i) * 1j]
            else:
                row["var10"] = 1.0 + float(i) * 1j
            if isinstance(row["var5"], np.ndarray):
                row["var5"] = np.array((float(i),) * 4)
            else:
                row["var5"] = float(i)
            if hasattr(tb, "Float16Col"):
                if isinstance(row["var11"], np.ndarray):
                    row["var11"] = np.array((float(i),) * 4)
                else:
                    row["var11"] = float(i)
            if hasattr(tb, "Float96Col"):
                if isinstance(row["var12"], np.ndarray):
                    row["var12"] = np.array((float(i),) * 4)
                else:
                    row["var12"] = float(i)
            if hasattr(tb, "Float128Col"):
                if isinstance(row["var13"], np.ndarray):
                    row["var13"] = np.array((float(i),) * 4)
                else:
                    row["var13"] = float(i)
            if hasattr(tb, "Complex192Col"):
                if isinstance(row["var14"], np.ndarray):
                    row["var14"] = [float(i) + 0j, 1 + float(i) * 1j]
                else:
                    row["var14"] = 1 + float(i) * 1j
            if hasattr(tb, "Complex256Col"):
                if isinstance(row["var15"], np.ndarray):
                    row["var15"] = [float(i) + 0j, 1 + float(i) * 1j]
                else:
                    row["var15"] = 1 + float(i) * 1j

            row.append()
            # We are closing and reopening in 'r'ead-only instead of flushing for
            # making Windows use the Blosc2 optimized path for reading chunks
            # table.flush()
            self.h5file.close()
            self.h5file = tb.open_file(self.h5fname, mode="r")
            table = self.h5file.get_node("/group0/table1")
            table.nrowsinbuf = 3
            row = table.row
            result = [row2["var2"] for row2 in table]
            # warning! the next will result into wrong results
            # result = [ row['var2'] for row in table ]
            # This is because the iterator for writing and for reading
            # cannot be shared!
            self.h5file.close()
            self.h5file = tb.open_file(self.h5fname, mode="a")
            table = self.h5file.get_node("/group0/table1")
            table.nrowsinbuf = 3
            row = table.row

        self.h5file.close()
        self.h5file = tb.open_file(self.h5fname, mode="r")
        table = self.h5file.get_node("/group0/table1")
        table.nrowsinbuf = 3

        # print(table.read())

        result = [
            row3["var2"] for row3 in table.iterrows() if row3["var2"] < 20
        ]
        if common.verbose:
            print("Result length ==>", len(result))
            print("Result contents ==>", result)
        self.assertEqual(len(result), 20 + 3 * table.nrowsinbuf)
        self.assertEqual(
            result,
            [
                0,
                1,
                2,
                3,
                4,
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                12,
                13,
                14,
                15,
                16,
                17,
                18,
                19,
                0,
                1,
                2,
                3,
                4,
                5,
                6,
                7,
                8,
            ],
        )
        # Check consistency of I/O buffers when doing mixed I/O operations
        # That is, the next should work in these operations
        # row['var1'] = '%04d' % (self.appendrows - i)
        # row['var7'] = row['var1'][-1]
        result7 = [
            row4["var7"] for row4 in table.iterrows() if row4["var2"] < 20
        ]
        if common.verbose:
            print("Result7 length ==>", len(result7))
            print("Result7 contents ==>", result7)
        self.assertEqual(
            result7,
            [
                b"0",
                b"9",
                b"8",
                b"7",
                b"6",
                b"5",
                b"4",
                b"3",
                b"2",
                b"1",
                b"0",
                b"9",
                b"8",
                b"7",
                b"6",
                b"5",
                b"4",
                b"3",
                b"2",
                b"1",
                b"0",
                b"9",
                b"8",
                b"7",
                b"6",
                b"5",
                b"4",
                b"3",
                b"2",
            ],
        )

    def test02d_AppendRows(self):
        """Checking appending using the same Row object after flushing."""

        # This test is kind of magic, but it is a good sanity check anyway.

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")
        self.rootgroup = self.h5file.root
        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02d_AppendRows..." % self.__class__.__name__)

        # Get a table
        table = self.h5file.get_node("/group0/table1")
        if common.verbose:
            print("Nrows in old", table._v_pathname, ":", table.nrows)
            print("Record Format ==>", table.description._v_nested_formats)
            print("Record Size ==>", table.rowsize)
        # Set a small number of buffer to make this test faster
        table.nrowsinbuf = 3
        # Get their row object
        row = table.row
        # Append some rows
        for i in range(10):
            row["var2"] = 100 + i
            row.append()
        # Force a flush
        table.flush()
        # Add new rows
        for i in range(9):
            row["var2"] = 110 + i
            row.append()
        table.flush()  # XXX al eliminar...
        result = [
            r["var2"] for r in table.iterrows() if 100 <= r["var2"] < 120
        ]
        if common.verbose:
            print("Result length ==>", len(result))
            print("Result contents ==>", result)
        if table.nrows > 119:
            # Case for big tables
            self.assertEqual(len(result), 39)
            self.assertEqual(
                result,
                [
                    100,
                    101,
                    102,
                    103,
                    104,
                    105,
                    106,
                    107,
                    108,
                    109,
                    110,
                    111,
                    112,
                    113,
                    114,
                    115,
                    116,
                    117,
                    118,
                    119,
                    100,
                    101,
                    102,
                    103,
                    104,
                    105,
                    106,
                    107,
                    108,
                    109,
                    110,
                    111,
                    112,
                    113,
                    114,
                    115,
                    116,
                    117,
                    118,
                ],
            )
        else:
            self.assertEqual(len(result), 19)
            self.assertEqual(
                result,
                [
                    100,
                    101,
                    102,
                    103,
                    104,
                    105,
                    106,
                    107,
                    108,
                    109,
                    110,
                    111,
                    112,
                    113,
                    114,
                    115,
                    116,
                    117,
                    118,
                ],
            )

    def test02e_AppendRows(self):
        """Checking appending using the Row of an unreferenced table."""
        # See ticket #94 (http://www.pytables.org/trac/ticket/94).

        # Reopen the file in append mode.
        self.h5file = tb.open_file(self.h5fname, mode="a")

        # Get the row handler which will outlive the reference to the table.
        table = self.h5file.get_node("/group0/table1")
        oldnrows = table.nrows
        row = table.row

        # Few appends are made to avoid flushing the buffers in ``row``.

        # First case: append to an alive (referenced) table.
        row.append()
        table.flush()
        newnrows = table.nrows
        self.assertEqual(
            newnrows, oldnrows + 1, "Append to alive table failed."
        )

        if self.h5file._node_manager.cache.nslots == 0:
            # Skip this test from here on because the second case
            # won't work when thereis not a node cache.
            return

        # Second case: append to a dead (unreferenced) table.
        del table
        row.append()
        table = self.h5file.get_node("/group0/table1")
        table.flush()
        newnrows = table.nrows
        self.assertEqual(
            newnrows, oldnrows + 2, "Append to dead table failed."
        )

    def test02f_AppendRows(self):
        """Checking whether blosc2 optimized appending *and* reading rows works or not"""

        class Particle(tb.IsDescription):
            name = tb.StringCol(16, pos=1)  # 16-character String
            lati = tb.Int32Col(pos=2)  # integer
            longi = tb.Int32Col(pos=3)  # integer
            pressure = tb.Float32Col(pos=4)  # float  (single-precision)
            temperature = tb.Float64Col(pos=5)  # double (double-precision)

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")

        # Create a new group
        group = self.h5file.create_group(self.h5file.root, "newgroup")

        # Create a new table in newgroup group
        table = self.h5file.create_table(
            group,
            "table",
            Particle,
            "A table",
            tb.Filters(
                complevel=self.compress,
                shuffle=bool(self.shuffle),
                bitshuffle=bool(self.bitshuffle),
                complib=self.complib,
            ),
            chunkshape=3,
        )

        self.rootgroup = self.h5file.root.newgroup
        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02f_AppendRows..." % self.__class__.__name__)

        if common.verbose:
            print("Nrows in old", table._v_pathname, ":", table.nrows)
            print("Record Format ==>", table.description._v_nested_formats)
            print("Record Size ==>", table.rowsize)

        # Add a couple of user attrs
        table.attrs.user_attr1 = 1.023
        table.attrs.user_attr2 = "This is the second user attr"

        # Append several rows in only one call
        for i in range(10):
            table.append(
                [(f"Particle: {i:6d}", i, 10 - i, float(i * i), float(i**2))]
            )

        table.append(
            [
                ("Particle:     10", 10, 0, 10 * 10, 10**2),
                ("Particle:     11", 11, -1, 11 * 11, 11**2),
                ("Particle:     12", 12, -2, 12 * 12, 12**2),
            ]
        )

        table.append(
            [
                ("Particle:     13", 13, -3, 13 * 13, 13**2),
                ("Particle:     14", 14, -4, 14 * 14, 14**2),
            ]
        )

        for i in range(10):
            j = i + 1
            k = i * i
            l = k + 1
            table.append(
                [
                    (
                        f"Particle: {i:6d}",
                        i,
                        10 - i,
                        float(i * i),
                        float(i**2),
                    ),
                    (
                        f"Particle: {j:6d}",
                        j,
                        10 - j,
                        float(j * j),
                        float(j**2),
                    ),
                    (
                        f"Particle: {k:6d}",
                        k,
                        10 - k,
                        float(k * k),
                        float(k**2),
                    ),
                    (
                        f"Particle: {l:6d}",
                        l,
                        10 - l,
                        float(l * l),
                        float(l**2),
                    ),
                ]
            )

        self.h5file.close()
        self.h5file = tb.open_file(self.h5fname, mode="r")
        self.rootgroup = self.h5file.root.newgroup
        table = self.rootgroup.table

        result = [row[:] for row in table.iterrows()]
        # result = table[:].tolist()
        if common.verbose:
            print("Result length ==>", len(result))
            print("Result contents ==>", result)
        self.assertEqual(len(result), 10 + 3 + 2 + 10 * 4)
        self.assertEqual(
            result,
            [
                (b"Particle:      0", 0, 10, 0.0, 0.0),
                (b"Particle:      1", 1, 9, 1.0, 1.0),
                (b"Particle:      2", 2, 8, 4.0, 4.0),
                (b"Particle:      3", 3, 7, 9.0, 9.0),
                (b"Particle:      4", 4, 6, 16.0, 16.0),
                (b"Particle:      5", 5, 5, 25.0, 25.0),
                (b"Particle:      6", 6, 4, 36.0, 36.0),
                (b"Particle:      7", 7, 3, 49.0, 49.0),
                (b"Particle:      8", 8, 2, 64.0, 64.0),
                (b"Particle:      9", 9, 1, 81.0, 81.0),
                (b"Particle:     10", 10, 0, 100.0, 100.0),
                (b"Particle:     11", 11, -1, 121.0, 121.0),
                (b"Particle:     12", 12, -2, 144.0, 144.0),
                (b"Particle:     13", 13, -3, 169.0, 169.0),
                (b"Particle:     14", 14, -4, 196.0, 196.0),
                (b"Particle:      0", 0, 10, 0.0, 0.0),
                (b"Particle:      1", 1, 9, 1.0, 1.0),
                (b"Particle:      0", 0, 10, 0.0, 0.0),
                (b"Particle:      1", 1, 9, 1.0, 1.0),
                (b"Particle:      1", 1, 9, 1.0, 1.0),
                (b"Particle:      2", 2, 8, 4.0, 4.0),
                (b"Particle:      1", 1, 9, 1.0, 1.0),
                (b"Particle:      2", 2, 8, 4.0, 4.0),
                (b"Particle:      2", 2, 8, 4.0, 4.0),
                (b"Particle:      3", 3, 7, 9.0, 9.0),
                (b"Particle:      4", 4, 6, 16.0, 16.0),
                (b"Particle:      5", 5, 5, 25.0, 25.0),
                (b"Particle:      3", 3, 7, 9.0, 9.0),
                (b"Particle:      4", 4, 6, 16.0, 16.0),
                (b"Particle:      9", 9, 1, 81.0, 81.0),
                (b"Particle:     10", 10, 0, 100.0, 100.0),
                (b"Particle:      4", 4, 6, 16.0, 16.0),
                (b"Particle:      5", 5, 5, 25.0, 25.0),
                (b"Particle:     16", 16, -6, 256.0, 256.0),
                (b"Particle:     17", 17, -7, 289.0, 289.0),
                (b"Particle:      5", 5, 5, 25.0, 25.0),
                (b"Particle:      6", 6, 4, 36.0, 36.0),
                (b"Particle:     25", 25, -15, 625.0, 625.0),
                (b"Particle:     26", 26, -16, 676.0, 676.0),
                (b"Particle:      6", 6, 4, 36.0, 36.0),
                (b"Particle:      7", 7, 3, 49.0, 49.0),
                (b"Particle:     36", 36, -26, 1296.0, 1296.0),
                (b"Particle:     37", 37, -27, 1369.0, 1369.0),
                (b"Particle:      7", 7, 3, 49.0, 49.0),
                (b"Particle:      8", 8, 2, 64.0, 64.0),
                (b"Particle:     49", 49, -39, 2401.0, 2401.0),
                (b"Particle:     50", 50, -40, 2500.0, 2500.0),
                (b"Particle:      8", 8, 2, 64.0, 64.0),
                (b"Particle:      9", 9, 1, 81.0, 81.0),
                (b"Particle:     64", 64, -54, 4096.0, 4096.0),
                (b"Particle:     65", 65, -55, 4225.0, 4225.0),
                (b"Particle:      9", 9, 1, 81.0, 81.0),
                (b"Particle:     10", 10, 0, 100.0, 100.0),
                (b"Particle:     81", 81, -71, 6561.0, 6561.0),
                (b"Particle:     82", 82, -72, 6724.0, 6724.0),
            ],
        )

    def test02g_AppendRows(self):
        """Checking whether blosc2 optimized appending *and* reading rows works or not"""

        class Particle(tb.IsDescription):
            name = tb.StringCol(16, pos=1)  # 16-character String
            lati = tb.Int32Col(pos=2)  # integer
            longi = tb.Int32Col(pos=3)  # integer
            pressure = tb.Float32Col(pos=4)  # float  (single-precision)
            temperature = tb.Float64Col(pos=5)  # double (double-precision)

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")

        # Create a new group
        group = self.h5file.create_group(self.h5file.root, "newgroup")

        # Create a new table in newgroup group
        table = self.h5file.create_table(
            group,
            "table",
            Particle,
            "A table",
            tb.Filters(
                complevel=self.compress,
                shuffle=bool(self.shuffle),
                bitshuffle=bool(self.bitshuffle),
                complib=self.complib,
            ),
            chunkshape=3,
        )

        self.rootgroup = self.h5file.root.newgroup
        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02g_AppendRows..." % self.__class__.__name__)

        if common.verbose:
            print("Nrows in old", table._v_pathname, ":", table.nrows)
            print("Record Format ==>", table.description._v_nested_formats)
            print("Record Size ==>", table.rowsize)

        # Add a couple of user attrs
        table.attrs.user_attr1 = 1.023
        table.attrs.user_attr2 = "This is the second user attr"

        # Append several rows in only one call
        for j in range(50):
            i = 13 * j
            table.append(
                [(f"Particle: {i:6d}", i, 10 - i, float(i * i), float(i**2))]
            )

            table.append(
                [
                    (
                        f"Particle: {i+1:6d}",
                        i + 1,
                        10 - (i + 1),
                        float((i + 1) * (i + 1)),
                        float((i + 1) ** 2),
                    ),
                    (
                        f"Particle: {i+2:6d}",
                        i + 2,
                        10 - (i + 2),
                        float((i + 2) * (i + 2)),
                        float((i + 2) ** 2),
                    ),
                    (
                        f"Particle: {i+3:6d}",
                        i + 3,
                        10 - (i + 3),
                        float((i + 3) * (i + 3)),
                        float((i + 3) ** 2),
                    ),
                ]
            )

            table.append(
                [
                    (
                        f"Particle: {i+4:6d}",
                        i + 4,
                        10 - (i + 4),
                        float((i + 4) * (i + 4)),
                        float((i + 4) ** 2),
                    ),
                    (
                        f"Particle: {i+5:6d}",
                        i + 5,
                        10 - (i + 5),
                        float((i + 5) * (i + 5)),
                        float((i + 5) ** 2),
                    ),
                    (
                        f"Particle: {i+6:6d}",
                        i + 6,
                        10 - (i + 6),
                        float((i + 6) * (i + 6)),
                        float((i + 6) ** 2),
                    ),
                    (
                        f"Particle: {i+7:6d}",
                        i + 7,
                        10 - (i + 7),
                        float((i + 7) * (i + 7)),
                        float((i + 7) ** 2),
                    ),
                ]
            )

            table.append(
                [
                    (
                        f"Particle: {i+8:6d}",
                        i + 8,
                        10 - (i + 8),
                        float((i + 8) * (i + 8)),
                        float((i + 8) ** 2),
                    ),
                    (
                        f"Particle: {i+9:6d}",
                        i + 9,
                        10 - (i + 9),
                        float((i + 9) * (i + 9)),
                        float((i + 9) ** 2),
                    ),
                    (
                        f"Particle: {i+10:6d}",
                        i + 10,
                        10 - (i + 10),
                        float((i + 10) * (i + 10)),
                        float((i + 10) ** 2),
                    ),
                    (
                        f"Particle: {i+11:6d}",
                        i + 11,
                        10 - (i + 11),
                        float((i + 11) * (i + 11)),
                        float((i + 11) ** 2),
                    ),
                    (
                        f"Particle: {i+12:6d}",
                        i + 12,
                        10 - (i + 12),
                        float((i + 12) * (i + 12)),
                        float((i + 12) ** 2),
                    ),
                ]
            )

        self.h5file.close()
        self.h5file = tb.open_file(self.h5fname, mode="r")
        self.rootgroup = self.h5file.root.newgroup
        table = self.rootgroup.table
        result = [row[:] for row in table.iterrows()]
        # result = table[:].tolist()
        if common.verbose:
            print("Result length ==>", len(result))
            print("Result contents ==>", result)

        particles = []
        for i in range(50 * 13):
            particles.append(
                (
                    f"Particle: {i:6d}".encode(),
                    i,
                    10 - i,
                    float(i * i),
                    float(i**2),
                )
            )

        self.assertEqual(len(result), 50 * 13)
        self.assertEqual(result, particles)

    # CAVEAT: The next test only works for tables with rows < 2**15
    def test03_endianess(self):
        """Checking if table is endianess aware."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test03_endianess..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/group0/group1/table2")

        # Read the records and select the ones with "var3" column less than 20
        result = [rec["var2"] for rec in table.iterrows() if rec["var3"] < 20]
        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("On-disk byteorder ==>", table.byteorder)
            print("Last record in table ==>", table[-1])
            print("Selected records ==>", result)
            print("Total selected records in table ==>", len(result))
        nrows = self.expectedrows - 1
        self.assertEqual(
            table.byteorder, {"little": "big", "big": "little"}[sys.byteorder]
        )
        rec = list(table.iterrows())[-1]
        self.assertEqual((rec["var1"], rec["var3"]), (b"0001", nrows))
        self.assertEqual(len(result), 20)

    def test04_delete(self):
        """Checking whether a single row can be deleted."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read the records and select the ones with "var2" column less than 20
        result = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result[-1])
            print("Total selected records in table ==>", len(result))

        nrows = table.nrows
        table.nrowsinbuf = 3  # small value of the buffer
        # Delete the twenty-th row
        table.remove_rows(19, 20)

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result2[-1])
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, nrows - 1)
        self.assertEqual(table.shape, (nrows - 1,))
        # Check that the new list is smaller than the original one
        self.assertEqual(len(result), len(result2) + 1)
        self.assertEqual(result[:-1], result2)

    def test04a_delete(self):
        """Checking whether a single row can be deleted."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read the records and select the ones with "var2" column less than 20
        result = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result[-1])
            print("Total selected records in table ==>", len(result))

        nrows = table.nrows
        table.nrowsinbuf = 3  # small value of the buffer
        # Delete the twenty-th row
        table.remove_row(19)

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result2[-1])
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, nrows - 1)
        self.assertEqual(table.shape, (nrows - 1,))
        # Check that the new list is smaller than the original one
        self.assertEqual(len(result), len(result2) + 1)
        self.assertEqual(result[:-1], result2)

    def test04b_delete(self):
        """Checking whether a range of rows can be deleted."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04b_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read the records and select the ones with "var2" column less than 20
        result = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result[-1])
            print("Total selected records in table ==>", len(result))

        nrows = table.nrows
        table.nrowsinbuf = 4  # small value of the buffer
        # Delete the last ten rows
        table.remove_rows(10, 20)

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result2[-1])
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, nrows - 10)
        self.assertEqual(table.shape, (nrows - 10,))
        # Check that the new list is smaller than the original one
        self.assertEqual(len(result), len(result2) + 10)
        self.assertEqual(result[:10], result2)

    def test04c_delete(self):
        """Checking whether removing a bad range of rows is detected."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04c_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read the records and select the ones with "var2" column less than 20
        result = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        nrows = table.nrows
        table.nrowsinbuf = 5  # small value of the buffer
        # Delete a too large range of rows
        table.remove_rows(10, nrows + 100)

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows() if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result2[-1])
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, 10)
        self.assertEqual(table.shape, (10,))
        # Check that the new list is smaller than the original one
        self.assertEqual(len(result), len(result2) + 10)
        self.assertEqual(result[:10], result2)

    def test04d_delete(self):
        """Checking whether removing rows several times at once is working."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04d_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read the records and select the ones with "var2" column less than 20
        result = [r["var2"] for r in table if r["var2"] < 20]

        nrows = table.nrows
        nrowsinbuf = table.nrowsinbuf
        table.nrowsinbuf = 6  # small value of the buffer
        # Delete some rows
        table.remove_rows(10, 15)
        # It's necessary to restore the value of buffer to use the row object
        # afterwards...
        table.nrowsinbuf = nrowsinbuf

        # Append some rows
        row = table.row
        for i in range(10, 15):
            row["var1"] = "%04d" % (self.appendrows - i)
            # This line gives problems on Windows. Why?
            # row['var7'] = row['var1'][-1]
            row["var2"] = i
            row["var3"] = i % self.maxshort
            if isinstance(row["var4"], np.ndarray):
                row["var4"] = [float(i), float(i * i)]
            else:
                row["var4"] = float(i)
            if isinstance(row["var8"], np.ndarray):
                row["var8"] = [0, 1]
            else:
                row["var8"] = 1
            if isinstance(row["var9"], np.ndarray):
                row["var9"] = [0.0 + float(i) * 1j, float(i) + 0.0j]
            else:
                row["var9"] = float(i) + 0.0j
            if isinstance(row["var10"], np.ndarray):
                row["var10"] = [float(i) + 0.0j, 1.0 + float(i) * 1j]
            else:
                row["var10"] = 1.0 + float(i) * 1j
            if isinstance(row["var5"], np.ndarray):
                row["var5"] = np.array((float(i),) * 4)
            else:
                row["var5"] = float(i)
            if hasattr(tb, "Float16Col"):
                if isinstance(row["var11"], np.ndarray):
                    row["var11"] = np.array((float(i),) * 4)
                else:
                    row["var11"] = float(i)
            if hasattr(tb, "Float96Col"):
                if isinstance(row["var12"], np.ndarray):
                    row["var12"] = np.array((float(i),) * 4)
                else:
                    row["var12"] = float(i)
            if hasattr(tb, "Float128Col"):
                if isinstance(row["var13"], np.ndarray):
                    row["var13"] = np.array((float(i),) * 4)
                else:
                    row["var13"] = float(i)
            if hasattr(tb, "Complex192Col"):
                if isinstance(row["var14"], np.ndarray):
                    row["var14"] = [float(i) + 0j, 1 + float(i) * 1j]
                else:
                    row["var14"] = 1 + float(i) * 1j
            if hasattr(tb, "Complex256Col"):
                if isinstance(row["var15"], np.ndarray):
                    row["var15"] = [float(i) + 0j, 1 + float(i) * 1j]
                else:
                    row["var15"] = 1 + float(i) * 1j

            row.append()
        # Flush the buffer for this table
        table.flush()

        # Delete 5 rows more
        table.remove_rows(5, 10)

        # Re-read the records
        result2 = [r["var2"] for r in table if r["var2"] < 20]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result2[-1])
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, nrows - 5)
        self.assertEqual(table.shape, (nrows - 5,))
        # Check that the new list is smaller than the original one
        self.assertEqual(len(result), len(result2) + 5)
        # The last values has to be equal
        self.assertEqual(result[10:15], result2[10:15])

    def test04e_delete(self):
        """Checking whether all rows can be deleted."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04e_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read all records
        result = [r["var2"] for r in table.iterrows()]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result[-1])
            print("Total selected records in table ==>", len(result))

        table.nrowsinbuf = 4  # small value of the buffer
        # Delete all rows
        table.remove_rows(0, self.expectedrows)

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows()]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, 0)
        self.assertEqual(table.shape, (0,))
        self.assertEqual(len(result2), 0)

    def test04f_delete(self):
        """Checking whether all rows can be deleted."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04e_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read all records
        result = [r["var2"] for r in table.iterrows()]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result[-1])
            print("Total selected records in table ==>", len(result))

        table.nrowsinbuf = 4  # small value of the buffer
        # Delete 100 rows
        table.remove_rows()

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows()]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Total selected records in table ==>", len(result2))

        self.assertEqual(table.nrows, 0)
        self.assertEqual(table.shape, (0,))
        self.assertEqual(len(result2), 0)

    def test04g_delete(self):
        """Checking whether rows can be deleted with a step parameter."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04e_delete..." % self.__class__.__name__)

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "a")
        table = self.h5file.get_node("/table0")

        # Read all records
        result = [r["var2"] for r in table.iterrows()]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Last selected value ==>", result[-1])
            print("Total selected records in table ==>", len(result))

        nrows = table.nrows
        table.nrowsinbuf = 4  # small value of the buffer
        # Delete 100 rows
        table.remove_rows(0, nrows + 1, 5)

        # Re-read the records
        result2 = [r["var2"] for r in table.iterrows()]

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            print("Total selected records in table ==>", len(result2))

        outnrows = nrows - nrows // 5
        self.assertEqual(table.nrows, outnrows)
        self.assertEqual(table.shape, (outnrows,))
        self.assertEqual(len(result2), outnrows)

    def test05_filtersTable(self):
        """Checking tablefilters."""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test05_filtersTable..." % self.__class__.__name__
            )

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        # Check filters:
        if self.compress != table.filters.complevel and common.verbose:
            print("Error in compress. Class:", self.__class__.__name__)
            print("self, table:", self.compress, table.filters.complevel)
        self.assertEqual(table.filters.complevel, self.compress)
        if self.compress > 0 and tb.which_lib_version(self.complib):
            self.assertEqual(table.filters.complib, self.complib)
        if self.shuffle != table.filters.shuffle and common.verbose:
            print("Error in shuffle. Class:", self.__class__.__name__)
            print("self, table:", self.shuffle, table.filters.shuffle)
        self.assertEqual(self.shuffle, table.filters.shuffle)
        if self.bitshuffle != table.filters.bitshuffle and common.verbose:
            print("Error in bitshuffle. Class:", self.__class__.__name__)
            print("self, table:", self.bitshuffle, table.filters.bitshuffle)
        self.assertEqual(self.bitshuffle, table.filters.bitshuffle)
        if self.fletcher32 != table.filters.fletcher32 and common.verbose:
            print("Error in fletcher32. Class:", self.__class__.__name__)
            print("self, table:", self.fletcher32, table.filters.fletcher32)
        self.assertEqual(self.fletcher32, table.filters.fletcher32)

    def test06_attributes(self):
        self.h5file = tb.open_file(self.h5fname)
        obj = self.h5file.get_node("/table0")

        self.assertEqual(obj.flavor, "numpy")
        self.assertEqual(obj.shape, (self.expectedrows,))
        self.assertEqual(obj.ndim, 1)
        self.assertEqual(obj.nrows, self.expectedrows)

    def test07_out_of_order_members(self):
        # If members are stored 'out of order' make sure they are loaded
        # correctly
        self.h5file = tb.open_file(
            common.test_filename("out_of_order_types.h5")
        )
        row = self.h5file.get_node("/group/table")[0]

        self.assertEqual(row[0], b"*" * 14)
        self.assertEqual(row[1], b"-" * 9)
        self.assertEqual(row[2], b"." * 4)

    def test08_AppendModifyRows(self):
        """Checking whether blosc2 optimized appending *and* reading rows works or not"""

        class Particle(tb.IsDescription):
            name = tb.StringCol(16, pos=1)  # 16-character String
            lati = tb.Int32Col(pos=2)  # integer
            longi = tb.Int32Col(pos=3)  # integer
            pressure = tb.Float32Col(pos=4)  # float  (single-precision)
            temperature = tb.Float64Col(pos=5)  # double (double-precision)

        # Now, open it, but in "append" mode
        self.h5file = tb.open_file(self.h5fname, mode="a")

        # Create a new group
        group = self.h5file.create_group(self.h5file.root, "newgroup")

        # Create a new table in newgroup group
        table = self.h5file.create_table(
            group,
            "table",
            Particle,
            "A table",
            tb.Filters(
                complevel=self.compress,
                shuffle=bool(self.shuffle),
                bitshuffle=bool(self.bitshuffle),
                complib=self.complib,
            ),
            chunkshape=3,
        )

        self.rootgroup = self.h5file.root.newgroup
        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test08_AppendModifyRows..."
                % self.__class__.__name__
            )

        if common.verbose:
            print("Nrows in old", table._v_pathname, ":", table.nrows)
            print("Record Format ==>", table.description._v_nested_formats)
            print("Record Size ==>", table.rowsize)

        # Add a couple of user attrs
        table.attrs.user_attr1 = 1.023
        table.attrs.user_attr2 = "This is the second user attr"

        # Append several rows in only one call
        for j in range(200):
            i = 13 * j
            table.append(
                [(f"Particle: {i:6d}", i, 10 - i, float(i * i), float(i**2))]
            )

            table.append(
                [
                    (
                        f"Particle: {i+1:6d}",
                        i + 1,
                        10 - (i + 1),
                        float((i + 1) * (i + 1)),
                        float((i + 1) ** 2),
                    ),
                    (
                        f"Particle: {i+2:6d}",
                        i + 2,
                        10 - (i + 2),
                        float((i + 2) * (i + 2)),
                        float((i + 2) ** 2),
                    ),
                    (
                        f"Particle: {i+3:6d}",
                        i + 3,
                        10 - (i + 3),
                        float((i + 3) * (i + 3)),
                        float((i + 3) ** 2),
                    ),
                ]
            )

            table.append(
                [
                    (
                        f"Particle: {i+4:6d}",
                        i + 4,
                        10 - (i + 4),
                        float((i + 4) * (i + 4)),
                        float((i + 4) ** 2),
                    ),
                    (
                        f"Particle: {i+5:6d}",
                        i + 5,
                        10 - (i + 5),
                        float((i + 5) * (i + 5)),
                        float((i + 5) ** 2),
                    ),
                    (
                        f"Particle: {i+6:6d}",
                        i + 6,
                        10 - (i + 6),
                        float((i + 6) * (i + 6)),
                        float((i + 6) ** 2),
                    ),
                    (
                        f"Particle: {i+7:6d}",
                        i + 7,
                        10 - (i + 7),
                        float((i + 7) * (i + 7)),
                        float((i + 7) ** 2),
                    ),
                ]
            )

            table.append(
                [
                    (
                        f"Particle: {i+8:6d}",
                        i + 8,
                        10 - (i + 8),
                        float((i + 8) * (i + 8)),
                        float((i + 8) ** 2),
                    ),
                    (
                        f"Particle: {i+9:6d}",
                        i + 9,
                        10 - (i + 9),
                        float((i + 9) * (i + 9)),
                        float((i + 9) ** 2),
                    ),
                    (
                        f"Particle: {i+10:6d}",
                        i + 10,
                        10 - (i + 10),
                        float((i + 10) * (i + 10)),
                        float((i + 10) ** 2),
                    ),
                    (
                        f"Particle: {i+11:6d}",
                        i + 11,
                        10 - (i + 11),
                        float((i + 11) * (i + 11)),
                        float((i + 11) ** 2),
                    ),
                    (
                        f"Particle: {i+12:6d}",
                        i + 12,
                        10 - (i + 12),
                        float((i + 12) * (i + 12)),
                        float((i + 12) ** 2),
                    ),
                ]
            )
            table.modify_rows(
                i + 10,
                i + 11,
                None,
                [(f"Particle: {i:6d}", i, 10 - i, float(i * i), float(i**2))],
            )

        self.h5file.close()
        self.h5file = tb.open_file(self.h5fname, mode="r")
        self.rootgroup = self.h5file.root.newgroup
        table = self.rootgroup.table
        result = [row[:] for row in table.iterrows()]
        # result = table[:].tolist()
        if common.verbose:
            print("Result length ==>", len(result))
            print("Result contents ==>", result)

        particles = []
        for i in range(200 * 13):
            particles.append(
                (
                    f"Particle: {i:6d}".encode(),
                    i,
                    10 - i,
                    float(i * i),
                    float(i**2),
                )
            )
        for j in range(200):
            i = 13 * j
            particles.pop(i + 10)
            particles.insert(
                i + 10,
                (
                    f"Particle: {i:6d}".encode(),
                    i,
                    10 - i,
                    float(i * i),
                    float(i**2),
                ),
            )

        self.assertEqual(len(result), 200 * 13)
        self.assertEqual(result, particles)


class BasicWriteTestCase(BasicTestCase):
    title = "BasicWrite"


class OldRecordBasicWriteTestCase(BasicTestCase):
    title = "OldRecordBasicWrite"
    record = OldRecord


class DictWriteTestCase(BasicTestCase):
    # This checks also unidimensional arrays as columns
    title = "DictWrite"
    record = RecordDescriptionDict
    nrows = 21
    nrowsinbuf = 3  # Choose a small value for the buffer size
    start = 0
    stop = 10
    step = 3


# Pure NumPy dtype
class NumPyDTWriteTestCase(BasicTestCase):
    title = "NumPyDTWriteTestCase"
    formats = "S4,i4,i2,2f8,f4,i2,S1,b1,c8,c16".split(",")
    names = "var1,var2,var3,var4,var5,var6,var7,var8,var9,var10".split(",")

    if hasattr(tb, "Float16Col"):
        formats.append("f2")
        names.append("var11")
    if hasattr(tb, "Float96Col"):
        formats.append("f12")
        names.append("var12")
    if hasattr(tb, "Float128Col"):
        formats.append("f16")
        names.append("var13")
    if hasattr(tb, "Complex192Col"):
        formats.append("c24")
        names.append("var14")
    if hasattr(tb, "Complex256Col"):
        formats.append("c32")
        names.append("var15")

    record = np.dtype(",".join(formats))
    record.names = names


class RecArrayOneWriteTestCase(BasicTestCase):
    title = "RecArrayOneWrite"
    formats = "S4,i4,i2,2f8,f4,i2,S1,b1,c8,c16".split(",")
    names = "var1,var2,var3,var4,var5,var6,var7,var8,var9,var10".split(",")

    if hasattr(tb, "Float16Col"):
        formats.append("f2")
        names.append("var11")
    if hasattr(tb, "Float96Col"):
        formats.append("f12")
        names.append("var12")
    if hasattr(tb, "Float128Col"):
        formats.append("f16")
        names.append("var13")
    if hasattr(tb, "Complex192Col"):
        formats.append("c24")
        names.append("var14")
    if hasattr(tb, "Complex256Col"):
        formats.append("c32")
        names.append("var15")

    record = np.rec.array(
        None, shape=0, formats=",".join(formats), names=names
    )


class RecArrayTwoWriteTestCase(BasicTestCase):
    title = "RecArrayTwoWrite"
    expectedrows = 100
    recarrayinit = 1
    formats = "S4,i4,i2,2f8,f4,i2,S1,b1,c8,c16".split(",")
    names = "var1,var2,var3,var4,var5,var6,var7,var8,var9,var10".split(",")

    if hasattr(tb, "Float16Col"):
        formats.append("f2")
        names.append("var11")
    if hasattr(tb, "Float96Col"):
        formats.append("f12")
        names.append("var12")
    if hasattr(tb, "Float128Col"):
        formats.append("f16")
        names.append("var13")
    if hasattr(tb, "Complex192Col"):
        formats.append("c24")
        names.append("var14")
    if hasattr(tb, "Complex256Col"):
        formats.append("c32")
        names.append("var15")

    recordtemplate = np.rec.array(
        None, shape=1, formats=",".join(formats), names=names
    )


class RecArrayThreeWriteTestCase(BasicTestCase):
    title = "RecArrayThreeWrite"
    expectedrows = 100
    recarrayinit = 1
    formats = "S4,i4,i2,2f8,f4,i2,S1,b1,c8,c16".split(",")
    names = "var1,var2,var3,var4,var5,var6,var7,var8,var9,var10".split(",")

    if hasattr(tb, "Float16Col"):
        formats.append("f2")
        names.append("var11")
    if hasattr(tb, "Float96Col"):
        formats.append("f12")
        names.append("var12")
    if hasattr(tb, "Float128Col"):
        formats.append("f16")
        names.append("var13")
    if hasattr(tb, "Complex192Col"):
        formats.append("c24")
        names.append("var14")
    if hasattr(tb, "Complex256Col"):
        formats.append("c32")
        names.append("var15")

    recordtemplate = np.rec.array(
        None, shape=1, formats=",".join(formats), names=names
    )


class RecArrayAlignedWriteTestCase(BasicTestCase):
    title = "RecArrayThreeWrite"
    expectedrows = 100
    recarrayinit = 1
    formats = "S4,i4,i2,2f8,f4,i2,S1,b1,c8,c16".split(",")
    names = "var1,var2,var3,var4,var5,var6,var7,var8,var9,var10".split(",")

    if hasattr(tb, "Float16Col"):
        formats.append("f2")
        names.append("var11")
    if hasattr(tb, "Float96Col"):
        formats.append("f12")
        names.append("var12")
    if hasattr(tb, "Float128Col"):
        formats.append("f16")
        names.append("var13")
    if hasattr(tb, "Complex192Col"):
        formats.append("c24")
        names.append("var14")
    if hasattr(tb, "Complex256Col"):
        formats.append("c32")
        names.append("var15")

    recordtemplate = np.rec.array(
        None, shape=1, formats=",".join(formats), names=names, aligned=True
    )


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
class CompressBloscTablesTestCase(BasicTestCase):
    title = "CompressBloscTables"
    compress = 6
    complib = "blosc"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
class CompressBlosc2TablesTestCase(BasicTestCase):
    title = "Compress2BloscTables"
    compress = 6
    complib = "blosc2"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
class CompressBloscShuffleTablesTestCase(BasicTestCase):
    title = "CompressBloscTables"
    compress = 1
    shuffle = 1
    complib = "blosc"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
class CompressBlosc2ShuffleTablesTestCase(BasicTestCase):
    title = "CompressBloscTables"
    compress = 1
    shuffle = 1
    complib = "blosc2"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
class CompressBloscBitShuffleTablesTestCase(BasicTestCase):
    title = "CompressBloscBitShuffleTables"
    compress = 1
    shuffle = 0
    bitshuffle = 1
    complib = "blosc:blosclz"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
class CompressBlosc2BitShuffleTablesTestCase(BasicTestCase):
    title = "CompressBloscBit2ShuffleTables"
    compress = 1
    shuffle = 0
    bitshuffle = 1
    complib = "blosc2:blosclz"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
class CompressBloscBloscLZTablesTestCase(BasicTestCase):
    title = "CompressBloscLZTables"
    compress = 1
    shuffle = 1
    complib = "blosc:blosclz"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC compression library not available"
)
class CompressBlosc2BloscLZTablesTestCase(BasicTestCase):
    title = "CompressBloscLZTables"
    compress = 1
    shuffle = 1
    complib = "blosc2:blosclz"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
@common.unittest.skipIf(
    "lz4" not in tb.blosc_compressor_list(), "lz4 required"
)
class CompressBloscLZ4TablesTestCase(BasicTestCase):
    title = "CompressLZ4Tables"
    compress = 1
    shuffle = 1
    complib = "blosc:lz4"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
@common.unittest.skipIf(
    "lz4" not in tb.blosc2_compressor_list(), "lz4 required"
)
class CompressBlosc2LZ4TablesTestCase(BasicTestCase):
    title = "CompressLZ4Tables"
    compress = 1
    shuffle = 1
    complib = "blosc2:lz4"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
@common.unittest.skipIf(
    "lz4" not in tb.blosc_compressor_list(), "lz4 required"
)
class CompressBloscLZ4HCTablesTestCase(BasicTestCase):
    title = "CompressLZ4HCTables"
    compress = 1
    shuffle = 1
    complib = "blosc:lz4hc"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
@common.unittest.skipIf(
    "lz4" not in tb.blosc2_compressor_list(), "lz4 required"
)
class CompressBlosc2LZ4HCTablesTestCase(BasicTestCase):
    title = "CompressLZ4HCTables"
    compress = 1
    shuffle = 1
    complib = "blosc2:lz4hc"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
@common.unittest.skipIf(
    "snappy" not in tb.blosc_compressor_list(), "snappy required"
)
class CompressBloscSnappyTablesTestCase(BasicTestCase):
    title = "CompressSnappyTables"
    compress = 1
    shuffle = 1
    complib = "blosc:snappy"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
@common.unittest.skipIf(
    "zlib" not in tb.blosc_compressor_list(), "zlib required"
)
class CompressBloscZlibTablesTestCase(BasicTestCase):
    title = "CompressZlibTables"
    compress = 1
    shuffle = 1
    complib = "blosc:zlib"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
@common.unittest.skipIf(
    "zlib" not in tb.blosc2_compressor_list(), "zlib required"
)
class CompressBlosc2ZlibTablesTestCase(BasicTestCase):
    title = "CompressZlibTables"
    compress = 5
    shuffle = 0
    bitshuffle = 1
    complib = "blosc2:zlib"


@common.unittest.skipIf(
    not common.blosc_avail, "BLOSC compression library not available"
)
@common.unittest.skipIf(
    "zstd" not in tb.blosc_compressor_list(), "zstd required"
)
class CompressBloscZstdTablesTestCase(BasicTestCase):
    title = "CompressZstdTables"
    compress = 1
    shuffle = 1
    complib = "blosc:zstd"


@common.unittest.skipIf(
    not common.blosc2_avail, "BLOSC2 compression library not available"
)
@common.unittest.skipIf(
    "zstd" not in tb.blosc2_compressor_list(), "zstd required"
)
class CompressBlosc2ZstdTablesTestCase(BasicTestCase):
    title = "CompressZstdTables"
    compress = 1
    shuffle = 1
    complib = "blosc2:zstd"


@common.unittest.skipIf(
    not common.lzo_avail, "LZO compression library not available"
)
class CompressLZOTablesTestCase(BasicTestCase):
    title = "CompressLZOTables"
    compress = 1
    complib = "lzo"


@common.unittest.skipIf(
    not common.lzo_avail, "LZO compression library not available"
)
class CompressLZOShuffleTablesTestCase(BasicTestCase):
    title = "CompressLZOTables"
    compress = 1
    shuffle = 1
    complib = "lzo"


@common.unittest.skipIf(
    not common.bzip2_avail, "BZIP2 compression library not available"
)
class CompressBzip2TablesTestCase(BasicTestCase):
    title = "CompressBzip2Tables"
    compress = 1
    complib = "bzip2"


@common.unittest.skipIf(
    not common.bzip2_avail, "BZIP2 compression library not available"
)
class CompressBzip2ShuffleTablesTestCase(BasicTestCase):
    title = "CompressBzip2Tables"
    compress = 1
    shuffle = 1
    complib = "bzip2"


class CompressZLIBTablesTestCase(BasicTestCase):
    title = "CompressOneTables"
    compress = 1
    complib = "zlib"


class CompressZLIBShuffleTablesTestCase(BasicTestCase):
    title = "CompressOneTables"
    compress = 1
    shuffle = 1
    complib = "zlib"


class Fletcher32TablesTestCase(BasicTestCase):
    title = "Fletcher32Tables"
    fletcher32 = 1
    shuffle = 0
    complib = "zlib"


class AllFiltersTablesTestCase(BasicTestCase):
    title = "AllFiltersTables"
    compress = 1
    fletcher32 = 1
    shuffle = 1
    complib = "zlib"


class CompressTwoTablesTestCase(BasicTestCase):
    title = "CompressTwoTables"
    compress = 1
    # This checks also unidimensional arrays as columns
    record = RecordDescriptionDict


class BigTablesTestCase(BasicTestCase):
    title = "BigTables"
    # 10000 rows takes much more time than we can afford for tests
    # reducing to 1000 would be more than enough
    # F. Alted 2004-01-19
    # Will be executed only in common.heavy mode
    expectedrows = 10_000
    appendrows = 100


class SizeOnDiskInMemoryPropertyTestCase(
    common.TempFileMixin, common.PyTablesTestCase
):
    def setUp(self):
        super().setUp()

        # set chunkshape so it divides evenly into array_size, to avoid
        # partially filled chunks
        self.chunkshape = (1000,)
        self.dtype = np.rec.format_parser(["i4"] * 10, [], []).dtype
        # approximate size (in bytes) of non-data portion of hdf5 file
        self.hdf_overhead = 6000

    def create_table(self, complevel):
        filters = tb.Filters(complevel=complevel, complib="blosc")
        self.table = self.h5file.create_table(
            "/",
            "sometable",
            self.dtype,
            filters=filters,
            chunkshape=self.chunkshape,
        )

    def test_zero_length(self):
        complevel = 0
        self.create_table(complevel)
        self.assertEqual(self.table.size_on_disk, 0)
        self.assertEqual(self.table.size_in_memory, 0)

    # add 10 chunks of data in one append
    def test_no_compression_one_append(self):
        complevel = 0
        self.create_table(complevel)
        self.table.append([tuple(range(10))] * self.chunkshape[0] * 10)
        self.assertEqual(self.table.size_on_disk, 10 * 1000 * 10 * 4)
        self.assertEqual(self.table.size_in_memory, 10 * 1000 * 10 * 4)

    # add 10 chunks of data in two appends
    def test_no_compression_multiple_appends(self):
        complevel = 0
        self.create_table(complevel)
        self.table.append([tuple(range(10))] * self.chunkshape[0] * 5)
        self.table.append([tuple(range(10))] * self.chunkshape[0] * 5)
        self.assertEqual(self.table.size_on_disk, 10 * 1000 * 10 * 4)
        self.assertEqual(self.table.size_in_memory, 10 * 1000 * 10 * 4)

    def test_with_compression(self):
        complevel = 1
        self.create_table(complevel)
        self.table.append([tuple(range(10))] * self.chunkshape[0] * 10)
        file_size = Path(self.h5fname).stat().st_size
        self.assertTrue(
            abs(self.table.size_on_disk - file_size) <= self.hdf_overhead
        )
        self.assertEqual(self.table.size_in_memory, 10 * 1000 * 10 * 4)
        self.assertLess(self.table.size_on_disk, self.table.size_in_memory)


class NonNestedTableReadTestCase(
    common.TempFileMixin, common.PyTablesTestCase
):
    def setUp(self):
        super().setUp()

        self.dtype = np.rec.format_parser(["i4"] * 10, [], []).dtype
        self.table = self.h5file.create_table("/", "table", self.dtype)
        self.shape = (100,)
        self.populate_file()

    def populate_file(self):
        self.array = np.zeros(self.shape, self.dtype)
        for row_num, row in enumerate(self.array):
            start = row_num * len(self.array.dtype.names)
            for value, col in enumerate(self.array.dtype.names, start):
                row[col] = value
        self.table.append(self.array)
        self.assertEqual(len(self.table), len(self.array))

    def test_read_all(self):
        output = self.table.read()
        np.testing.assert_array_equal(output, self.array)

    def test_read_slice1(self):
        output = self.table.read(0, 51)
        np.testing.assert_array_equal(output, self.array[0:51])

    def test_read_all_rows_specified_field(self):
        output = self.table.read(field="f1")
        np.testing.assert_array_equal(output, self.array["f1"])

    def test_read_slice1_specified_field(self):
        output = self.table.read(1, 64, field="f1")
        np.testing.assert_array_equal(output, self.array["f1"][1:64])

    def test_out_arg_with_non_numpy_flavor(self):
        output = np.empty(self.shape, self.dtype)
        self.table.flavor = "python"
        self.assertRaises(TypeError, lambda: self.table.read(out=output))
        try:
            self.table.read(out=output)
        except TypeError as exc:
            self.assertIn("Optional 'out' argument may only be", str(exc))

    def test_read_all_out_arg(self):
        output = np.empty(self.shape, self.dtype)
        self.table.read(out=output)
        np.testing.assert_array_equal(output, self.array)

    def test_read_slice1_out_arg(self):
        output = np.empty((51,), self.dtype)
        self.table.read(0, 51, out=output)
        np.testing.assert_array_equal(output, self.array[0:51])

    def test_read_all_rows_specified_field_out_arg(self):
        output = np.empty(self.shape, "i4")
        self.table.read(field="f1", out=output)
        np.testing.assert_array_equal(output, self.array["f1"])

    def test_read_slice1_specified_field_out_arg(self):
        output = np.empty((63,), "i4")
        self.table.read(1, 64, field="f1", out=output)
        np.testing.assert_array_equal(output, self.array["f1"][1:64])

    def test_read_all_out_arg_sliced(self):
        output = np.empty((200,), self.dtype)
        output["f0"] = np.random.randint(0, 10_000, (200,))
        output_orig = output.copy()
        self.table.read(out=output[0:100])
        np.testing.assert_array_equal(output[0:100], self.array)
        np.testing.assert_array_equal(output[100:], output_orig[100:])

    def test_all_fields_non_contiguous_slice_contiguous_buffer(self):
        output = np.empty((50,), self.dtype)
        self.table.read(0, 100, 2, out=output)
        np.testing.assert_array_equal(output, self.array[0:100:2])

    def test_specified_field_non_contiguous_slice_contiguous_buffer(self):
        output = np.empty((50,), "i4")
        self.table.read(0, 100, 2, field="f3", out=output)
        np.testing.assert_array_equal(output, self.array["f3"][0:100:2])

    def test_all_fields_non_contiguous_buffer(self):
        output = np.empty((100,), self.dtype)
        output_slice = output[0:100:2]

        with self.assertRaisesRegex(
            ValueError, "output array not C contiguous"
        ):
            self.table.read(0, 100, 2, field=None, out=output_slice)

    def test_specified_field_non_contiguous_buffer(self):
        output = np.empty((100,), "i4")
        output_slice = output[0:100:2]
        self.assertRaises(
            ValueError, self.table.read, 0, 100, 2, "f3", output_slice
        )
        try:
            self.table.read(0, 100, 2, field="f3", out=output_slice)
        except ValueError as exc:
            self.assertEqual("output array not C contiguous", str(exc))

    def test_all_fields_buffer_too_small(self):
        output = np.empty((99,), self.dtype)
        self.assertRaises(ValueError, lambda: self.table.read(out=output))
        try:
            self.table.read(out=output)
        except ValueError as exc:
            self.assertIn("output array size invalid, got", str(exc))

    def test_specified_field_buffer_too_small(self):
        output = np.empty((99,), "i4")
        self.assertRaises(
            ValueError, lambda: self.table.read(field="f5", out=output)
        )
        try:
            self.table.read(field="f5", out=output)
        except ValueError as exc:
            self.assertIn("output array size invalid, got", str(exc))

    def test_all_fields_buffer_too_large(self):
        output = np.empty((101,), self.dtype)
        self.assertRaises(ValueError, lambda: self.table.read(out=output))
        try:
            self.table.read(out=output)
        except ValueError as exc:
            self.assertIn("output array size invalid, got", str(exc))


class TableReadByteorderTestCase(
    common.TempFileMixin, common.PyTablesTestCase
):
    def setUp(self):
        super().setUp()
        self.system_byteorder = sys.byteorder
        self.other_byteorder = {"little": "big", "big": "little"}[
            sys.byteorder
        ]
        self.reverse_byteorders = {"little": "<", "big": ">"}

    def create_table(self, byteorder):
        table_dtype_code = self.reverse_byteorders[byteorder] + "i4"
        table_dtype = np.rec.format_parser(
            [table_dtype_code, "S1"], [], []
        ).dtype
        self.table = self.h5file.create_table(
            "/", "table", table_dtype, byteorder=byteorder
        )
        input_dtype = np.rec.format_parser(["i4", "S1"], [], []).dtype
        self.input_array = np.zeros((10,), input_dtype)
        self.input_array["f0"] = np.arange(10)
        self.input_array["f1"] = b"a"
        self.table.append(self.input_array)

    def test_table_system_byteorder_no_out_argument(self):
        self.create_table(self.system_byteorder)
        output = self.table.read()
        self.assertEqual(
            tb.utils.byteorders[output["f0"].dtype.byteorder],
            self.system_byteorder,
        )
        np.testing.assert_array_equal(output["f0"], np.arange(10))

    def test_table_other_byteorder_no_out_argument(self):
        self.create_table(self.other_byteorder)
        output = self.table.read()
        self.assertEqual(
            tb.utils.byteorders[output["f0"].dtype.byteorder],
            self.system_byteorder,
        )
        np.testing.assert_array_equal(output["f0"], np.arange(10))

    def test_table_system_byteorder_out_argument_system_byteorder(self):
        self.create_table(self.system_byteorder)
        out_dtype_code = self.reverse_byteorders[self.system_byteorder] + "i4"
        out_dtype = np.rec.format_parser([out_dtype_code, "S1"], [], []).dtype
        output = np.empty((10,), out_dtype)
        self.table.read(out=output)
        self.assertEqual(
            tb.utils.byteorders[output["f0"].dtype.byteorder],
            self.system_byteorder,
        )
        np.testing.assert_array_equal(output["f0"], np.arange(10))

    def test_table_other_byteorder_out_argument_system_byteorder(self):
        self.create_table(self.other_byteorder)
        out_dtype_code = self.reverse_byteorders[self.system_byteorder] + "i4"
        out_dtype = np.rec.format_parser([out_dtype_code, "S1"], [], []).dtype
        output = np.empty((10,), out_dtype)
        self.table.read(out=output)
        self.assertEqual(
            tb.utils.byteorders[output["f0"].dtype.byteorder],
            self.system_byteorder,
        )
        np.testing.assert_array_equal(output["f0"], np.arange(10))

    def test_table_system_byteorder_out_argument_other_byteorder(self):
        self.create_table(self.system_byteorder)
        out_dtype_code = self.reverse_byteorders[self.other_byteorder] + "i4"
        out_dtype = np.rec.format_parser([out_dtype_code, "S1"], [], []).dtype
        output = np.empty((10,), out_dtype)
        self.assertRaises(ValueError, lambda: self.table.read(out=output))
        try:
            self.table.read(out=output)
        except ValueError as exc:
            self.assertIn("array must be in system's byteorder", str(exc))

    def test_table_other_byteorder_out_argument_other_byteorder(self):
        self.create_table(self.other_byteorder)
        out_dtype_code = self.reverse_byteorders[self.other_byteorder] + "i4"
        out_dtype = np.rec.format_parser([out_dtype_code, "S1"], [], []).dtype
        output = np.empty((10,), out_dtype)
        self.assertRaises(ValueError, lambda: self.table.read(out=output))
        try:
            self.table.read(out=output)
        except ValueError as exc:
            self.assertIn("array must be in system's byteorder", str(exc))


class BasicRangeTestCase(common.TempFileMixin, common.PyTablesTestCase):
    # file  = "test.h5"
    open_mode = "w"
    title = "This is the table title"
    record = Record
    maxshort = 1 << 15
    expectedrows = 100
    compress = 0
    shuffle = 1
    # Default values
    nrows = 20
    nrowsinbuf = 3  # Choose a small value for the buffer size
    start = 1
    stop = nrows
    checkrecarray = 0
    checkgetCol = 0

    def setUp(self):
        super().setUp()

        # Create an instance of an HDF5 Table
        self.rootgroup = self.h5file.root
        self.populateFile()
        self.h5file.close()

    def populateFile(self):
        group = self.rootgroup
        for j in range(3):
            # Create a table
            filterprops = tb.Filters(
                complevel=self.compress, shuffle=self.shuffle
            )
            table = self.h5file.create_table(
                group,
                "table" + str(j),
                self.record,
                title=self.title,
                filters=filterprops,
                expectedrows=self.expectedrows,
            )

            # Get the row object associated with the new table
            row = table.row

            # Fill the table
            for i in range(self.expectedrows):
                row["var1"] = "%04d" % (self.expectedrows - i)
                row["var7"] = row["var1"][-1]
                row["var2"] = i
                row["var3"] = i % self.maxshort
                if isinstance(row["var4"], np.ndarray):
                    row["var4"] = [float(i), float(i * i)]
                else:
                    row["var4"] = float(i)
                if isinstance(row["var5"], np.ndarray):
                    row["var5"] = np.array((float(i),) * 4)
                else:
                    row["var5"] = float(i)

                # var6 will be like var3 but byteswaped
                row["var6"] = ((row["var3"] >> 8) & 0xFF) + (
                    (row["var3"] << 8) & 0xFF00
                )
                row.append()

            # Flush the buffer for this table
            table.flush()
            # Create a new group (descendant of group)
            group2 = self.h5file.create_group(group, "group" + str(j))
            # Iterate over this new group (group2)
            group = group2

    def check_range(self):
        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.get_node("/table0")

        table.nrowsinbuf = self.nrowsinbuf
        resrange = slice(self.start, self.stop, self.step).indices(table.nrows)
        reslength = len(list(range(*resrange)))
        # print "self.checkrecarray = ", self.checkrecarray
        # print "self.checkgetCol = ", self.checkgetCol
        if self.checkrecarray:
            recarray = table.read(self.start, self.stop, self.step)
            result = []
            for nrec in range(len(recarray)):
                if recarray["var2"][nrec] < self.nrows and 0 < self.step:
                    result.append(recarray["var2"][nrec])
                elif recarray["var2"][nrec] > self.nrows and 0 > self.step:
                    result.append(recarray["var2"][nrec])
        elif self.checkgetCol:
            column = table.read(self.start, self.stop, self.step, "var2")
            result = []
            for nrec in range(len(column)):
                if column[nrec] < self.nrows and 0 < self.step:
                    result.append(column[nrec])
                elif column[nrec] > self.nrows and 0 > self.step:
                    result.append(column[nrec])
        else:
            if 0 < self.step:
                result = [
                    rec["var2"]
                    for rec in table.iterrows(self.start, self.stop, self.step)
                    if rec["var2"] < self.nrows
                ]
            elif 0 > self.step:
                result = [
                    rec["var2"]
                    for rec in table.iterrows(self.start, self.stop, self.step)
                    if rec["var2"] > self.nrows
                ]

        if self.start < 0:
            startr = self.expectedrows + self.start
        else:
            startr = self.start

        if self.stop is None:
            if self.checkrecarray or self.checkgetCol:
                # data read using the read method
                stopr = startr + 1
            else:
                # data read using the iterrows method
                stopr = self.nrows
        elif self.stop < 0:
            stopr = self.expectedrows + self.stop
        else:
            stopr = self.stop

        if self.nrows < stopr:
            stopr = self.nrows

        if common.verbose:
            print("Nrows in", table._v_pathname, ":", table.nrows)
            if reslength:
                if self.checkrecarray:
                    print("Last record *read* in recarray ==>", recarray[-1])
                elif self.checkgetCol:
                    print("Last value *read* in getCol ==>", column[-1])
                else:
                    rec = list(
                        table.iterrows(self.start, self.stop, self.step)
                    )[-1]
                    print("Last record *read* in table range ==>", rec)
            print("Total number of selected records ==>", len(result))
            print("Selected records:\n", result)
            print(
                "Selected records should look like:\n",
                list(range(startr, stopr, self.step)),
            )
            print("start, stop, step ==>", self.start, self.stop, self.step)
            print("startr, stopr, step ==>", startr, stopr, self.step)

        self.assertEqual(result, list(range(startr, stopr, self.step)))
        if not (self.checkrecarray or self.checkgetCol):
            if startr < stopr and 0 < self.step:
                rec = [
                    r
                    for r in table.iterrows(self.start, self.stop, self.step)
                    if r["var2"] < self.nrows
                ][-1]
                if self.nrows < self.expectedrows:
                    self.assertEqual(
                        rec["var2"],
                        list(range(self.start, self.stop, self.step))[-1],
                    )
                else:
                    self.assertEqual(
                        rec["var2"], list(range(startr, stopr, self.step))[-1]
                    )
            elif startr > stopr and 0 > self.step:
                rec = [
                    r["var2"]
                    for r in table.iterrows(self.start, self.stop, self.step)
                    if r["var2"] > self.nrows
                ][0]
                if self.nrows < self.expectedrows:
                    self.assertEqual(
                        rec,
                        list(range(self.start, self.stop or -1, self.step))[0],
                    )
                else:
                    self.assertEqual(
                        rec, list(range(startr, stopr or -1, self.step))[0]
                    )

        # Close the file
        self.h5file.close()

    def test01_range(self):
        """Checking ranges in table iterators (case1)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01_range..." % self.__class__.__name__)

        # Case where step < nrowsinbuf < 2 * step
        self.nrows = 21
        self.nrowsinbuf = 3
        self.start = 0
        self.stop = self.expectedrows
        self.step = 2

        self.check_range()

    def test01a_range(self):
        """Checking ranges in table iterators (case1)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01a_range..." % self.__class__.__name__)

        # Case where step < nrowsinbuf < 2 * step
        self.nrows = 21
        self.nrowsinbuf = 3
        self.start = self.expectedrows - 1
        self.stop = None
        self.step = -2

        self.check_range()

    def test02_range(self):
        """Checking ranges in table iterators (case2)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02_range..." % self.__class__.__name__)

        # Case where step < nrowsinbuf < 10 * step
        self.nrows = 21
        self.nrowsinbuf = 31
        self.start = 11
        self.stop = self.expectedrows
        self.step = 3

        self.check_range()

    def test03_range(self):
        """Checking ranges in table iterators (case3)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test03_range..." % self.__class__.__name__)

        # Case where step < nrowsinbuf < 1.1 * step
        self.nrows = self.expectedrows
        self.nrowsinbuf = 11  # Choose a small value for the buffer size
        self.start = 0
        self.stop = self.expectedrows
        self.step = 10

        self.check_range()

    def test04_range(self):
        """Checking ranges in table iterators (case4)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04_range..." % self.__class__.__name__)

        # Case where step == nrowsinbuf
        self.nrows = self.expectedrows
        self.nrowsinbuf = 11  # Choose a small value for the buffer size
        self.start = 1
        self.stop = self.expectedrows
        self.step = 11

        self.check_range()

    def test05_range(self):
        """Checking ranges in table iterators (case5)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test05_range..." % self.__class__.__name__)

        # Case where step > 1.1 * nrowsinbuf
        self.nrows = 21
        self.nrowsinbuf = 10  # Choose a small value for the buffer size
        self.start = 1
        self.stop = self.expectedrows
        self.step = 11

        self.check_range()

    def test06_range(self):
        """Checking ranges in table iterators (case6)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test06_range..." % self.__class__.__name__)

        # Case where step > 3 * nrowsinbuf
        self.nrows = 3
        self.nrowsinbuf = 3  # Choose a small value for the buffer size
        self.start = 2
        self.stop = self.expectedrows
        self.step = 10

        self.check_range()

    def test07_range(self):
        """Checking ranges in table iterators (case7)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test07_range..." % self.__class__.__name__)

        # Case where start == stop
        self.nrows = 2
        self.nrowsinbuf = 3  # Choose a small value for the buffer size
        self.start = self.nrows
        self.stop = self.nrows
        self.step = 10

        self.check_range()

    def test08_range(self):
        """Checking ranges in table iterators (case8)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test08_range..." % self.__class__.__name__)

        # Case where start > stop
        self.nrows = 2
        self.nrowsinbuf = 3  # Choose a small value for the buffer size
        self.start = self.nrows + 1
        self.stop = self.nrows
        self.step = 1

        self.check_range()

    def test09_range(self):
        """Checking ranges in table iterators (case9)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test09_range..." % self.__class__.__name__)

        # Case where stop = None (last row)
        self.nrows = 100
        self.nrowsinbuf = 3  # Choose a small value for the buffer size
        self.start = 1
        self.stop = 2
        self.step = 1

        self.check_range()

    def test10_range(self):
        """Checking ranges in table iterators (case10)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test10_range..." % self.__class__.__name__)

        # Case where start < 0 and stop = None (last row)
        self.nrows = self.expectedrows
        self.nrowsinbuf = 5  # Choose a small value for the buffer size
        self.start = -6
        self.startr = self.expectedrows + self.start
        self.stop = -5
        self.stopr = self.expectedrows
        self.step = 2

        self.check_range()

    def test10a_range(self):
        """Checking ranges in table iterators (case10a)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test10a_range..." % self.__class__.__name__)

        # Case where start < 0 and stop = 0
        self.nrows = self.expectedrows
        self.nrowsinbuf = 5  # Choose a small value for the buffer size
        self.start = -6
        self.startr = self.expectedrows + self.start
        self.stop = 0
        self.stopr = self.expectedrows
        self.step = 2

        self.check_range()

    def test11_range(self):
        """Checking ranges in table iterators (case11)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test11_range..." % self.__class__.__name__)

        # Case where start < 0 and stop < 0
        self.nrows = self.expectedrows
        self.nrowsinbuf = 5  # Choose a small value for the buffer size
        self.start = -6
        self.startr = self.expectedrows + self.start
        self.stop = -2
        self.stopr = self.expectedrows + self.stop
        self.step = 1

        self.check_range()

    def test12_range(self):
        """Checking ranges in table iterators (case12)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test12_range..." % self.__class__.__name__)

        # Case where start < 0 and stop < 0 and start > stop
        self.nrows = self.expectedrows
        self.nrowsinbuf = 5  # Choose a small value for the buffer size
        self.start = -1
        self.startr = self.expectedrows + self.start
        self.stop = -2
        self.stopr = self.expectedrows + self.stop
        self.step = 1

        self.check_range()

    def test13_range(self):
        """Checking ranges in table iterators (case13)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test13_range..." % self.__class__.__name__)

        # Case where step < 0
        self.step = -11
        try:
            self.check_range()
        except ValueError:
            if common.verbose:
                type, value, traceback = sys.exc_info()
                print("\nGreat!, the next ValueError was catched!")
                print(value)
            self.h5file.close()
        # else:
        #     print rec
        #     self.fail("expected a ValueError")

        # Case where step == 0
        self.step = 0
        try:
            self.check_range()
        except ValueError:
            if common.verbose:
                type, value, traceback = sys.exc_info()
                print("\nGreat!, the next ValueError was catched!")
                print(value)
            self.h5file.close()
        # else:
        #     print rec
        #     self.fail("expected a ValueError")


class IterRangeTestCase(BasicRangeTestCase):
    pass


class RecArrayRangeTestCase(BasicRangeTestCase):
    checkrecarray = 1


class GetColRangeTestCase(BasicRangeTestCase):
    checkgetCol = 1

    def test01_nonexistentField(self):
        """Checking non-existing Field in getCol method"""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test01_nonexistentField..."
                % self.__class__.__name__
            )

        # Create an instance of an HDF5 Table
        self.h5file = tb.open_file(self.h5fname, "r")
        self.root = self.h5file.root
        table = self.h5file.get_node("/table0")

        with self.assertRaises(KeyError):
            # column = table.read(field='non-existent-column')
            table.col("non-existent-column")


class GetItemTestCase(common.TempFileMixin, common.PyTablesTestCase):
    open_mode = "w"
    title = "This is the table title"
    record = Record
    maxshort = 1 << 15
    expectedrows = 100
    compress = 0
    shuffle = 1
    # Default values
    nrows = 20
    nrowsinbuf = 3  # Choose a small value for the buffer size
    start = 1
    stop = nrows
    checkrecarray = 0
    checkgetCol = 0

    def setUp(self):
        super().setUp()

        # Create an instance of an HDF5 Table
        self.rootgroup = self.h5file.root
        self.populateFile()
        self.h5file.close()

    def populateFile(self):
        group = self.rootgroup
        for j in range(3):
            # Create a table
            filterprops = tb.Filters(
                complevel=self.compress, shuffle=self.shuffle
            )
            table = self.h5file.create_table(
                group,
                "table" + str(j),
                self.record,
                title=self.title,
                filters=filterprops,
                expectedrows=self.expectedrows,
            )
            # Get the row object associated with the new table
            row = table.row

            # Fill the table
            for i in range(self.expectedrows):
                row["var1"] = "%04d" % (self.expectedrows - i)
                row["var7"] = row["var1"][-1]
                row["var2"] = i
                row["var3"] = i % self.maxshort
                if isinstance(row["var4"], np.ndarray):
                    row["var4"] = [float(i), float(i * i)]
                else:
                    row["var4"] = float(i)
                if isinstance(row["var5"], np.ndarray):
                    row["var5"] = np.array((float(i),) * 4)
                else:
                    row["var5"] = float(i)
                # var6 will be like var3 but byteswaped
                row["var6"] = ((row["var3"] >> 8) & 0xFF) + (
                    (row["var3"] << 8) & 0xFF00
                )
                row.append()

            # Flush the buffer for this table
            table.flush()
            # Create a new group (descendant of group)
            group2 = self.h5file.create_group(group, "group" + str(j))
            # Iterate over this new group (group2)
            group = group2

    def test01a_singleItem(self):
        """Checking __getitem__ method with single parameter (int)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01a_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[2]
        self.assertEqual(result["var2"], 2)
        result = table[25]
        self.assertEqual(result["var2"], 25)
        result = table[self.expectedrows - 1]
        self.assertEqual(result["var2"], self.expectedrows - 1)

    def test01b_singleItem(self):
        """Checking __getitem__ method with single parameter (neg. int)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01b_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[-5]
        self.assertEqual(result["var2"], self.expectedrows - 5)
        result = table[-1]
        self.assertEqual(result["var2"], self.expectedrows - 1)
        result = table[-self.expectedrows]
        self.assertEqual(result["var2"], 0)

    def test01c_singleItem(self):
        """Checking __getitem__ method with single parameter (long)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01c_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[2]
        self.assertEqual(result["var2"], 2)
        result = table[25]
        self.assertEqual(result["var2"], 25)
        result = table[self.expectedrows - 1]
        self.assertEqual(result["var2"], self.expectedrows - 1)

    def test01d_singleItem(self):
        """Checking __getitem__ method with single parameter (neg. long)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01d_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[-5]
        self.assertEqual(result["var2"], self.expectedrows - 5)
        result = table[-1]
        self.assertEqual(result["var2"], self.expectedrows - 1)
        result = table[-self.expectedrows]
        self.assertEqual(result["var2"], 0)

    def test01e_singleItem(self):
        """Checking __getitem__ method with single parameter (rank-0 ints)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01e_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[np.array(2)]
        self.assertEqual(result["var2"], 2)
        result = table[np.array(25)]
        self.assertEqual(result["var2"], 25)
        result = table[np.array(self.expectedrows - 1)]
        self.assertEqual(result["var2"], self.expectedrows - 1)

    def test01f_singleItem(self):
        """Checking __getitem__ method with single parameter (np.uint64)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01f_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0

        result = table[np.uint64(2)]
        self.assertEqual(result["var2"], 2)

    def test02_twoItems(self):
        """Checking __getitem__ method with start, stop parameters."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02_twoItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[2:6]
        self.assertEqual(result["var2"].tolist(), list(range(2, 6)))
        result = table[2:-6]
        self.assertEqual(
            result["var2"].tolist(), list(range(2, self.expectedrows - 6))
        )
        result = table[2:]
        self.assertEqual(
            result["var2"].tolist(), list(range(2, self.expectedrows))
        )
        result = table[-2:]
        self.assertEqual(
            result["var2"].tolist(),
            list(range(self.expectedrows - 2, self.expectedrows)),
        )

    def test03_threeItems(self):
        """Checking __getitem__ method with start, stop, step parameters."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test03_threeItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        result = table[2:6:3]
        self.assertEqual(result["var2"].tolist(), list(range(2, 6, 3)))
        result = table[2::3]
        self.assertEqual(
            result["var2"].tolist(), list(range(2, self.expectedrows, 3))
        )
        result = table[:6:2]
        self.assertEqual(result["var2"].tolist(), list(range(0, 6, 2)))
        result = table[::]
        self.assertEqual(
            result["var2"].tolist(), list(range(0, self.expectedrows, 1))
        )

    def test04_negativeStep(self):
        """Checking __getitem__ method with negative step parameter."""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test04_negativeStep..." % self.__class__.__name__
            )

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        with self.assertRaises(ValueError):
            table[2:3:-3]

    def test06a_singleItemCol(self):
        """Checking __getitem__ method in Col with single parameter."""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test06a_singleItemCol..." % self.__class__.__name__
            )

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        colvar2 = table.cols.var2
        self.assertEqual(colvar2[2], 2)
        self.assertEqual(colvar2[25], 25)
        self.assertEqual(colvar2[self.expectedrows - 1], self.expectedrows - 1)

    def test06b_singleItemCol(self):
        """Checking __getitem__ method in Col with single parameter
        (negative)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test06b_singleItem..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        colvar2 = table.cols.var2
        self.assertEqual(colvar2[-5], self.expectedrows - 5)
        self.assertEqual(colvar2[-1], self.expectedrows - 1)
        self.assertEqual(colvar2[-self.expectedrows], 0)

    def test07_twoItemsCol(self):
        """Checking __getitem__ method in Col with start, stop parameters."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test07_twoItemCol..." % self.__class__.__name__)

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        colvar2 = table.cols.var2
        self.assertEqual(colvar2[2:6].tolist(), list(range(2, 6)))
        self.assertEqual(
            colvar2[2:-6].tolist(), list(range(2, self.expectedrows - 6))
        )
        self.assertEqual(
            colvar2[2:].tolist(), list(range(2, self.expectedrows))
        )
        self.assertEqual(
            colvar2[-2:].tolist(),
            list(range(self.expectedrows - 2, self.expectedrows)),
        )

    def test08_threeItemsCol(self):
        """Checking __getitem__ method in Col with start, stop, step
        parameters."""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test08_threeItemCol..." % self.__class__.__name__
            )

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        colvar2 = table.cols.var2
        self.assertEqual(colvar2[2:6:3].tolist(), list(range(2, 6, 3)))
        self.assertEqual(
            colvar2[2::3].tolist(), list(range(2, self.expectedrows, 3))
        )
        self.assertEqual(colvar2[:6:2].tolist(), list(range(0, 6, 2)))
        self.assertEqual(
            colvar2[::].tolist(), list(range(0, self.expectedrows, 1))
        )

    def test09_negativeStep(self):
        """Checking __getitem__ method in Col with negative step parameter."""

        if common.verbose:
            print("\n", "-=" * 30)
            print(
                "Running %s.test09_negativeStep..." % self.__class__.__name__
            )

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        colvar2 = table.cols.var2
        with self.assertRaises(ValueError):
            colvar2[2:3:-3]

    def test10_list_integers(self):
        """Checking accessing Table with a list of integers."""

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        idx = list(range(10, 70, 11))

        result = table[idx]
        self.assertEqual(result["var2"].tolist(), idx)

        result = table.read_coordinates(idx)
        self.assertEqual(result["var2"].tolist(), idx)

    def test11_list_booleans(self):
        """Checking accessing Table with a list of boolean values."""

        self.h5file = tb.open_file(self.h5fname, "r")
        table = self.h5file.root.table0
        idx = list(range(10, 70, 11))

        selection = [n in idx for n in range(self.expectedrows)]

        result = table[selection]
        self.assertEqual(result["var2"].tolist(), idx)

        result = table.read_coordinates(selection)
        self.assertEqual(result["var2"].tolist(), idx)


class Rec(tb.IsDescription):
    col1 = tb.IntCol(pos=1)
    col2 = tb.StringCol(itemsize=3, pos=2)
    col3 = tb.FloatCol(pos=3)


class SetItemTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test01(self):
        """Checking modifying one table row with __setitem__"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing row
        table[2] = (456, "db2", 1.2)
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (456, b"db2", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test01b(self):
        """Checking modifying one table row with __setitem__ (long index)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing row
        table[2] = (456, "db2", 1.2)
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (456, b"db2", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test02(self):
        """Modifying one row, with a step (__setitem__)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify two existing rows
        rows = np.rec.array([(457, b"db1", 1.2)], formats="i4,S3,f8")
        table[1:3:2] = rows
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test03(self):
        """Checking modifying several rows at once (__setitem__)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify two existing rows
        rows = np.rec.array(
            [(457, b"db1", 1.2), (5, b"de1", 1.3)], formats="i4,S3,f8"
        )
        # table.modify_rows(start=1, rows=rows)
        table[1:3] = rows
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test04(self):
        """Modifying several rows at once, with a step (__setitem__)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify two existing rows
        rows = np.rec.array(
            [(457, b"db1", 1.2), (6, b"de2", 1.3)], formats="i4,S3,f8"
        )
        # table[1:4:2] = rows
        table[1::2] = rows
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (457, b"db1", 1.2),
                (6, b"de2", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test05(self):
        """Checking modifying one column (single element, __setitem__)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        table.cols.col1[1] = -1
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (-1, b"ded", 1.3),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test06a(self):
        """Checking modifying one column (several elements, __setitem__)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        table.cols.col1[1:4] = [2, 3, 4]
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (3, b"db1", 1.2),
                (4, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test06b(self):
        """Checking modifying one column (iterator, __setitem__)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        with self.assertRaises(NotImplementedError):
            for row in table.iterrows():
                row["col1"] = row.nrow + 1
                row.append()
            table.flush()

    #         # Create the modified recarray
    #         r1=np.rec.array([[1,b'dbe',1.2],[2,b'ded',1.3],
    #                           [3,b'db1',1.2],[4,b'de1',1.3]],
    #                          formats="i4,S3,f8",
    #                          names = "col1,col2,col3")
    #         # Read the modified table
    #         if self.reopen:
    #             self.fileh.close()
    #             self.fileh = tables.open_file(self.file, "r")
    #             table = self.fileh.root.recarray
    #             table.nrowsinbuf = self.buffersize  # set buffer value
    #         r2 = table.read()
    #         if common.verbose:
    #             print "Original table-->", repr(r2)
    #             print "Should look like-->", repr(r1)
    #         self.assertEqual(r1.tobytes(), r2.tobytes())
    #         self.assertEqual(table.nrows, 4)

    def test07(self):
        """Modifying one column (several elements, __setitem__, step)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (1, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify just one existing column
        table.cols.col1[1:4:2] = [2, 3]
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (457, b"db1", 1.2),
                (3, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test08(self):
        """Modifying one column (one element, __setitem__, step)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        table.cols.col1[1:4:3] = [2]
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test09(self):
        """Modifying beyond the table extend (__setitem__, step)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Try to modify beyond the extend
        # This will silently exclude the non-fitting rows
        rows = np.rec.array(
            [(457, b"db1", 1.2), (6, b"de2", 1.3)], formats="i4,S3,f8"
        )
        table[1::2] = rows
        # How it should look like
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (457, b"db1", 1.2),
                (6, b"de2", 1.3),
            ],
            formats="i4,S3,f8",
        )

        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)


class SetItemTestCase1(SetItemTestCase):
    reopen = 0
    buffersize = 1


class SetItemTestCase2(SetItemTestCase):
    reopen = 1
    buffersize = 2


class SetItemTestCase3(SetItemTestCase):
    reopen = 0
    buffersize = 1000


class SetItemTestCase4(SetItemTestCase):
    reopen = 1
    buffersize = 1000


class UpdateRowTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test01(self):
        """Checking modifying one table row with Row.update"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing row
        for row in table.iterrows(2, 3):
            row["col1"], row["col2"], row["col3"] = (456, "db2", 1.2)
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (456, b"db2", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test02(self):
        """Modifying one row, with a step (Row.update)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify two existing rows
        for row in table.iterrows(1, 3, 2):
            if row.nrow == 1:
                row["col1"], row["col2"], row["col3"] = (457, "db1", 1.2)
            elif row.nrow == 3:
                row["col1"], row["col2"], row["col3"] = (6, "de2", 1.3)
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test03(self):
        """Checking modifying several rows at once (Row.update)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify two existing rows
        for row in table.iterrows(1, 3):
            if row.nrow == 1:
                row["col1"], row["col2"], row["col3"] = (457, "db1", 1.2)
            elif row.nrow == 2:
                row["col1"], row["col2"], row["col3"] = (5, "de1", 1.3)
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test04(self):
        """Modifying several rows at once, with a step (Row.update)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify two existing rows
        for row in table.iterrows(1, stop=4, step=2):
            if row.nrow == 1:
                row["col1"], row["col2"], row["col3"] = (457, "db1", 1.2)
            elif row.nrow == 3:
                row["col1"], row["col2"], row["col3"] = (6, "de2", 1.3)
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (457, b"db1", 1.2),
                (6, b"de2", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test05(self):
        """Checking modifying one column (single element, Row.update)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        for row in table.iterrows(1, 2):
            row["col1"] = -1
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (-1, b"ded", 1.3),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test06(self):
        """Checking modifying one column (several elements, Row.update)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        for row in table.iterrows(1, 4):
            row["col1"] = row.nrow + 1
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (3, b"db1", 1.2),
                (4, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test07(self):
        """Modifying values from a selection"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (1, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify just rows with col1 < 456
        for row in table.where("col1 < 456"):
            row["col1"] = 2
            row["col2"] = "ada"
            row.update()
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ada", 1.3),
                (457, b"db1", 1.2),
                (2, b"ada", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test08(self):
        """Modifying a large table (Row.update)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        nrows = 100
        # append new rows
        row = table.row
        for i in range(nrows):
            row["col1"] = i - 1
            row["col2"] = "a" + str(i - 1)
            row["col3"] = -1.0
            row.append()
        table.flush()

        # Modify all the rows
        for row in table:
            row["col1"] = row.nrow
            row["col2"] = "b" + str(row.nrow)
            row["col3"] = 0.0
            row.update()

        # Create the modified recarray
        r1 = np.rec.array(
            None, shape=nrows, formats="i4,S3,f8", names="col1,col2,col3"
        )
        for i in range(nrows):
            r1["col1"][i] = i
            r1["col2"][i] = "b" + str(i)
            r1["col3"][i] = 0.0
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, nrows)

    def test08b(self):
        """Setting values on a large table without calling Row.update"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        nrows = 100
        # append new rows
        row = table.row
        for i in range(nrows):
            row["col1"] = i - 1
            row["col2"] = "a" + str(i - 1)
            row["col3"] = -1.0
            row.append()
        table.flush()

        # Modify all the rows (actually don't)
        for row in table:
            row["col1"] = row.nrow
            row["col2"] = "b" + str(row.nrow)
            row["col3"] = 0.0
            # row.update()

        # Create the modified recarray
        r1 = np.rec.array(
            None, shape=nrows, formats="i4,S3,f8", names="col1,col2,col3"
        )
        for i in range(nrows):
            r1["col1"][i] = i - 1
            r1["col2"][i] = "a" + str(i - 1)
            r1["col3"][i] = -1.0
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, nrows)

    def test09(self):
        """Modifying selected values on a large table"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        nrows = 100
        # append new rows
        row = table.row
        for i in range(nrows):
            row["col1"] = i - 1
            row["col2"] = "a" + str(i - 1)
            row["col3"] = -1.0
            row.append()
        table.flush()

        # Modify selected rows
        for row in table.where("col1 > nrows-3"):
            row["col1"] = row.nrow
            row["col2"] = "b" + str(row.nrow)
            row["col3"] = 0.0
            row.update()

        # Create the modified recarray
        r1 = np.rec.array(
            None, shape=nrows, formats="i4,S3,f8", names="col1,col2,col3"
        )
        for i in range(nrows):
            r1["col1"][i] = i - 1
            r1["col2"][i] = "a" + str(i - 1)
            r1["col3"][i] = -1.0
        # modify just the last line
        r1["col1"][i] = i
        r1["col2"][i] = "b" + str(i)
        r1["col3"][i] = 0.0

        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, nrows)

    def test09b(self):
        """Modifying selected values on a large table (alternate values)"""

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)
        table.nrowsinbuf = self.buffersize  # set buffer value

        nrows = 100
        # append new rows
        row = table.row
        for i in range(nrows):
            row["col1"] = i - 1
            row["col2"] = "a" + str(i - 1)
            row["col3"] = -1.0
            row.append()
        table.flush()

        # Modify selected rows
        for row in table.iterrows(step=10):
            row["col1"] = row.nrow
            row["col2"] = "b" + str(row.nrow)
            row["col3"] = 0.0
            row.update()

        # Create the modified recarray
        r1 = np.rec.array(
            None, shape=nrows, formats="i4,S3,f8", names="col1,col2,col3"
        )
        for i in range(nrows):
            if i % 10 > 0:
                r1["col1"][i] = i - 1
                r1["col2"][i] = "a" + str(i - 1)
                r1["col3"][i] = -1.0
            else:
                r1["col1"][i] = i
                r1["col2"][i] = "b" + str(i)
                r1["col3"][i] = 0.0

        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
            table.nrowsinbuf = self.buffersize  # set buffer value
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, nrows)


class UpdateRowTestCase1(UpdateRowTestCase):
    reopen = 0
    buffersize = 1


class UpdateRowTestCase2(UpdateRowTestCase):
    reopen = 1
    buffersize = 2


class UpdateRowTestCase3(UpdateRowTestCase):
    reopen = 0
    buffersize = 1000


class UpdateRowTestCase4(UpdateRowTestCase):
    reopen = 1
    buffersize = 1000


class RecArrayIO(common.TempFileMixin, common.PyTablesTestCase):
    def test00(self):
        """Checking saving a regular recarray"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test00..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"de", 1.3)], names="col1,col2,col3"
        )

        # Save it in a table:
        self.h5file.create_table(self.h5file.root, "recarray", r)

        # Read it again
        if self.reopen:
            self._reopen()
        r2 = self.h5file.root.recarray.read()
        self.assertEqual(r.tobytes(), r2.tobytes())

    def test01(self):
        """Checking saving a recarray with an offset in its buffer"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"de", 1.3)], names="col1,col2,col3"
        )

        # Get an offset bytearray
        r1 = r[1:]

        # Save it in a table:
        self.h5file.create_table(self.h5file.root, "recarray", r1)

        # Read it again
        if self.reopen:
            self._reopen()
        r2 = self.h5file.root.recarray.read()

        self.assertEqual(r1.tobytes(), r2.tobytes())

    def test02(self):
        """Checking saving a large recarray with an offset in its buffer"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(b"a" * 200_000, "f4,3i4,S5,i2", 3000)

        # Get an offset bytearray
        r1 = r[2000:]

        # Save it in a table:
        self.h5file.create_table(self.h5file.root, "recarray", r1)

        # Read it again
        if self.reopen:
            self._reopen()
        r2 = self.h5file.root.recarray.read()

        self.assertEqual(r1.tobytes(), r2.tobytes())

    def test03(self):
        """Checking saving a strided recarray with an offset in its buffer"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test03..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(b"a" * 200_000, "f4,3i4,S5,i2", 3000)

        # Get a strided recarray
        r2 = r[::2]

        # Get an offset bytearray
        r1 = r2[1200:]

        # Save it in a table:
        self.h5file.create_table(self.h5file.root, "recarray", r1)

        # Read it again
        if self.reopen:
            self._reopen()
        r2 = self.h5file.root.recarray.read()

        self.assertEqual(r1.tobytes(), r2.tobytes())

    def test04(self):
        """Checking appending several rows at once"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04..." % self.__class__.__name__)

        class Rec(tb.IsDescription):
            col1 = tb.IntCol(pos=1)
            col2 = tb.StringCol(itemsize=3, pos=2)
            col3 = tb.FloatCol(pos=3)

        # Save it in a table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Create the complete table
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the original table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = self.h5file.root.recarray.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test05(self):
        """Checking appending several rows at once (close file version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test05..." % self.__class__.__name__)

        # Save it in a table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        self._reopen()

        table = self.h5file.root.recarray
        # Create the complete table
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )

        # Read the original table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = self.h5file.root.recarray.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test06a(self):
        """Checking modifying one table row (list version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test06a..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify just one existing rows
        table.modify_rows(start=1, rows=[(456, "db1", 1.2)])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (456, b"db1", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )

        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test06b(self):
        """Checking modifying one table row (recarray version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test06b..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify just one existing rows
        table.modify_rows(
            start=2, rows=np.rec.array([(456, "db2", 1.2)], formats="i4,S3,f8")
        )
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (456, b"db2", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test07a(self):
        """Checking modifying several rows at once (list version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test07a..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify two existing rows
        table.modify_rows(start=1, rows=[(457, "db1", 1.2), (5, "de1", 1.3)])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test07b(self):
        """Checking modifying several rows at once (recarray version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test07b..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify two existing rows
        rows = np.rec.array(
            [(457, b"db1", 1.2), (5, b"de1", 1.3)], formats="i4,S3,f8"
        )
        table.modify_rows(start=1, rows=rows)
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test07c(self):
        """Checking modifying several rows with a mismatching value"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test07c..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify two existing rows
        rows = np.rec.array(
            [(457, b"db1", 1.2), (5, b"de1", 1.3)], formats="i4,S3,f8"
        )
        self.assertRaises(
            ValueError, table.modify_rows, start=1, stop=2, rows=rows
        )

    def test08a(self):
        """Checking modifying one column (single column version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test08a..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        table.modify_columns(start=1, columns=[[2, 3, 4]], names=["col1"])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (3, b"db1", 1.2),
                (4, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test08a2(self):
        """Checking modifying one column (single column version,
        modify_column)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test08a2..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        table.modify_column(start=1, column=[2, 3, 4], colname="col1")
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (3, b"db1", 1.2),
                (4, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test08b(self):
        """Checking modifying one column (single column version, recarray)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test08b..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        columns = np.rec.fromarrays(np.array([[2, 3, 4]]), formats="i4")
        table.modify_columns(start=1, columns=columns, names=["col1"])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (3, b"db1", 1.2),
                (4, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test08b2(self):
        """Checking modifying one column (single column version, recarray,
        modify_column)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test08b2..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        columns = np.rec.fromarrays(np.array([[2, 3, 4]]), formats="i4")
        table.modify_column(start=1, column=columns, colname="col1")
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"ded", 1.3),
                (3, b"db1", 1.2),
                (4, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test08c(self):
        """Checking modifying one column (single column version,
        single element)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test08c..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify just one existing column
        # columns = np.rec.fromarrays(np.array([[4]]), formats="i4")
        # table.modify_columns(start=1, columns=columns, names=["col1"])
        table.modify_columns(start=1, columns=[[4]], names=["col1"])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (4, b"ded", 1.3),
                (457, b"db1", 1.2),
                (5, b"de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test09a(self):
        """Checking modifying table columns (multiple column version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test09a..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify a couple of columns
        columns = [["aaa", "bbb", "ccc"], [1.2, 0.1, 0.3]]
        table.modify_columns(start=1, columns=columns, names=["col2", "col3"])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, b"dbe", 1.2),
                (2, b"aaa", 1.2),
                (457, b"bbb", 0.1),
                (5, b"ccc", 0.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )

        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test09b(self):
        """Checking modifying table columns (multiple columns, recarray)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test09b..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify a couple of columns
        columns = np.rec.array(
            [("aaa", 1.2), ("bbb", 0.1), ("ccc", 0.3)], formats="S3,f8"
        )
        table.modify_columns(start=1, columns=columns, names=["col2", "col3"])
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, "dbe", 1.2),
                (2, "aaa", 1.2),
                (457, "bbb", 0.1),
                (5, "ccc", 0.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test09c(self):
        """Checking modifying table columns (single column, step)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test09c..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])
        # Modify a couple of columns
        columns = np.rec.array([("aaa", 1.2), ("bbb", 0.1)], formats="S3,f8")
        table.modify_columns(
            start=1, step=2, columns=columns, names=["col2", "col3"]
        )
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, "dbe", 1.2),
                (2, "aaa", 1.2),
                (457, "db1", 1.2),
                (5, "bbb", 0.1),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test09d(self):
        """Checking modifying table columns (multiple columns, step)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test09d..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        # Modify a couple of columns
        columns = np.rec.array([("aaa", 1.3), ("bbb", 0.1)], formats="S3,f8")
        table.modify_columns(
            start=0, step=2, columns=columns, names=["col2", "col3"]
        )
        # Create the modified recarray
        r1 = np.rec.array(
            [
                (456, "aaa", 1.3),
                (2, "ded", 1.3),
                (457, "bbb", 0.1),
                (5, "de1", 1.3),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test10a(self):
        """Checking modifying rows using coordinates
        (readCoords/modifyCoords)."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test10a..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        columns = table.read_coordinates([0, 3])

        # Modify both rows
        columns["col1"][:] = [55, 56]
        columns["col3"][:] = [1.9, 1.8]

        # Modify the table in the same coordinates
        table.modify_coordinates([0, 3], columns)

        # Create the modified recarray
        r1 = np.rec.array(
            [
                (55, b"dbe", 1.9),
                (2, b"ded", 1.3),
                (457, b"db1", 1.2),
                (56, b"de1", 1.8),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)

    def test10b(self):
        """Checking modifying rows using coordinates (getitem/setitem)."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test10b..." % self.__class__.__name__)

        # Create a new table:
        table = self.h5file.create_table(self.h5file.root, "recarray", Rec)

        # append new rows
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"ded", 1.3)], formats="i4,S3,f8"
        )
        table.append(r)
        table.append([(457, b"db1", 1.2), (5, b"de1", 1.3)])

        columns = table[[0, 3]]

        # Modify both rows
        columns["col1"][:] = [55, 56]
        columns["col3"][:] = [1.9, 1.8]

        # Modify the table in the same coordinates
        table[[0, 3]] = columns

        # Create the modified recarray
        r1 = np.rec.array(
            [
                (55, b"dbe", 1.9),
                (2, b"ded", 1.3),
                (457, b"db1", 1.2),
                (56, b"de1", 1.8),
            ],
            formats="i4,S3,f8",
            names="col1,col2,col3",
        )
        # Read the modified table
        if self.reopen:
            self._reopen()
            table = self.h5file.root.recarray
        r2 = table.read()
        if common.verbose:
            print("Original table-->", repr(r2))
            print("Should look like-->", repr(r1))
        self.assertEqual(r1.tobytes(), r2.tobytes())
        self.assertEqual(table.nrows, 4)


class RecArrayIO1(RecArrayIO):
    reopen = 0


class RecArrayIO2(RecArrayIO):
    reopen = 1


class CopyTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def assertEqualColinstances(self, table1, table2):
        """Assert that column instance maps of both tables are equal."""

        cinst1, cinst2 = table1.colinstances, table2.colinstances
        self.assertEqual(len(cinst1), len(cinst2))
        for cpathname, col1 in cinst1.items():
            self.assertTrue(cpathname in cinst2)
            col2 = cinst2[cpathname]
            self.assertIsInstance(col1, type(col2))
            if isinstance(col1, tb.Column):
                self.assertEqual(col1.name, col2.name)
                self.assertEqual(col1.pathname, col2.pathname)
                self.assertEqual(col1.dtype, col2.dtype)
                self.assertEqual(col1.type, col2.type)
            elif isinstance(col1, tb.Cols):
                self.assertEqual(col1._v_colnames, col2._v_colnames)
                self.assertEqual(col1._v_colpathnames, col2._v_colpathnames)

    def test01_copy(self):
        """Checking Table.copy() method."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01_copy..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"de", 1.3)],
            names="col1,col2,col3",
            formats=("i4,S3,f8"),
            aligned=self.aligned,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table
        table2 = table1.copy("/", "table2")

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1
            table2 = self.h5file.root.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            # print "dirs-->", dir(table1), dir(table2)
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        for row1 in table1:
            nrow = row1.nrow  # current row
            # row1 is a Row instance, while table2[] is a
            # RecArray.Record instance
            # print "reprs-->", repr(row1), repr(table2.read(nrow))
            for colname in table1.colnames:
                # Both ways to compare work well
                # self.assertEqual(row1[colname], table2[nrow][colname))
                self.assertEqual(
                    row1[colname], table2.read(nrow, field=colname)[0]
                )

        # Assert other properties in table
        self.assertEqual(table1.nrows, table2.nrows)
        self.assertEqual(table1.shape, table2.shape)
        self.assertEqual(table1.colnames, table2.colnames)
        self.assertEqual(table1.coldtypes, table2.coldtypes)
        self.assertEqualColinstances(table1, table2)
        self.assertEqual(repr(table1.description), repr(table2.description))
        # Check alignment
        if self.aligned and self.open_kwargs["allow_padding"] is True:
            self.assertEqual(table1.description._v_offsets, [0, 4, 8])
            self.assertEqual(table1.description._v_itemsize, 16)
        else:
            self.assertEqual(table1.description._v_offsets, [0, 4, 7])
            self.assertEqual(table1.description._v_itemsize, 15)
        self.assertEqual(
            table1.description._v_offsets, table2.description._v_offsets
        )
        self.assertEqual(
            table1.description._v_itemsize, table2.description._v_itemsize
        )

        # This could be not the same when re-opening the file
        # self.assertEqual(table1.description._v_ColObjects,
        #                  table2.description._v_ColObjects)
        # Leaf attributes
        self.assertEqual(table1.title, table2.title)
        self.assertEqual(table1.filters.complevel, table2.filters.complevel)
        self.assertEqual(table1.filters.complib, table2.filters.complib)
        self.assertEqual(table1.filters.shuffle, table2.filters.shuffle)
        self.assertEqual(table1.filters.fletcher32, table2.filters.fletcher32)

    def test02_copy(self):
        """Checking Table.copy() method (where specified)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02_copy..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(b"dbe", 456, 1.2), (b"de", 2, 1.3)],
            names="col1,col2,col3",
            formats="S3,i4,f8",
            aligned=self.aligned,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table in another group
        group1 = self.h5file.create_group("/", "group1")
        table2 = table1.copy(group1, "table2")

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table1 = self.h5file.root.table1
            table2 = self.h5file.root.group1.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        for row1 in table1:
            nrow = row1.nrow  # current row
            for colname in table1.colnames:
                # Both ways to compare work well
                # self.assertEqual(row1[colname], table2[nrow][colname))
                self.assertEqual(
                    row1[colname], table2.read(nrow, field=colname)[0]
                )

        # Assert other properties in table
        self.assertEqual(table1.nrows, table2.nrows)
        self.assertEqual(table1.shape, table2.shape)
        self.assertEqual(table1.colnames, table2.colnames)
        self.assertEqual(table1.coldtypes, table2.coldtypes)
        self.assertEqualColinstances(table1, table2)
        self.assertEqual(repr(table1.description), repr(table2.description))
        # Check alignment
        if self.aligned and self.open_kwargs["allow_padding"] is True:
            self.assertEqual(table1.description._v_offsets, [0, 4, 8])
            self.assertEqual(table1.description._v_itemsize, 16)
        else:
            self.assertEqual(table1.description._v_offsets, [0, 3, 7])
            self.assertEqual(table1.description._v_itemsize, 15)
        self.assertEqual(
            table1.description._v_offsets, table2.description._v_offsets
        )
        self.assertEqual(
            table1.description._v_itemsize, table2.description._v_itemsize
        )

        # Leaf attributes
        self.assertEqual(table1.title, table2.title)
        self.assertEqual(table1.filters.complevel, table2.filters.complevel)
        self.assertEqual(table1.filters.complib, table2.filters.complib)
        self.assertEqual(table1.filters.shuffle, table2.filters.shuffle)
        self.assertEqual(table1.filters.fletcher32, table2.filters.fletcher32)

    def test03_copy(self):
        """Checking Table.copy() method (table larger than buffer)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test03_copy..." % self.__class__.__name__)

        # Create a recarray exceeding buffers capability
        # This works, but takes too much CPU for a test
        # It is better to reduce the buffer size (table1.nrowsinbuf)
        # r=np.rec.array(b'aaaabbbbccccddddeeeeffffgggg'*20000,
        #                 formats='2i2,i4, (2,3)u2, (1,)f4, f8',shape=700)
        r = np.rec.array(
            b"aaaabbbbccccddddeeeeffffgggg" * 200,
            formats="2i2,i4, (2,3)u2, (1,)f4, f8",
            shape=7,
            aligned=self.aligned,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table in another group and other title
        group1 = self.h5file.create_group("/", "group1")
        table1.nrowsinbuf = 2  # small value of buffer
        table2 = table1.copy(group1, "table2", title="title table2")
        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table1 = self.h5file.root.table1
            table2 = self.h5file.root.group1.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        for row1 in table1:
            nrow = row1.nrow  # current row
            for colname in table1.colnames:
                # self.assertTrue(allequal(row1[colname],
                # table2[nrow][colname]))
                self.assertTrue(
                    common.allequal(
                        row1[colname], table2.read(nrow, field=colname)[0]
                    )
                )

        # Assert other properties in table
        self.assertEqual(table1.nrows, table2.nrows)
        self.assertEqual(table1.shape, table2.shape)
        self.assertEqual(table1.colnames, table2.colnames)
        self.assertEqual(table1.coldtypes, table2.coldtypes)
        self.assertEqualColinstances(table1, table2)
        self.assertEqual(repr(table1.description), repr(table2.description))
        # Check alignment
        if self.aligned and self.open_kwargs["allow_padding"] is True:
            self.assertEqual(table1.description._v_offsets, [0, 4, 8, 20, 24])
            self.assertEqual(table1.description._v_itemsize, 32)
        else:
            self.assertEqual(table1.description._v_offsets, [0, 4, 8, 20, 24])
            self.assertEqual(table1.description._v_itemsize, 32)
        self.assertEqual(
            table1.description._v_offsets, table2.description._v_offsets
        )
        self.assertEqual(
            table1.description._v_itemsize, table2.description._v_itemsize
        )

        # Leaf attributes
        self.assertEqual("title table2", table2.title)
        self.assertEqual(table1.filters.complevel, table2.filters.complevel)
        self.assertEqual(table1.filters.complib, table2.filters.complib)
        self.assertEqual(table1.filters.shuffle, table2.filters.shuffle)
        self.assertEqual(table1.filters.fletcher32, table2.filters.fletcher32)

    def test04_copy(self):
        """Checking Table.copy() method (different compress level)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test04_copy..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(1.2, b"dbe", 456), (1.3, b"de", 2)],
            names="col1,col2,col3",
            formats="f8,S3,i4",
            aligned=self.aligned,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table in another group
        group1 = self.h5file.create_group("/", "group1")
        table2 = table1.copy(group1, "table2", filters=tb.Filters(complevel=6))

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table1 = self.h5file.root.table1
            table2 = self.h5file.root.group1.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        for row1 in table1:
            nrow = row1.nrow  # current row
            for colname in table1.colnames:
                # Both ways to compare work well
                # self.assertEqual(row1[colname], table2[nrow][colname))
                self.assertEqual(
                    row1[colname], table2.read(nrow, field=colname)[0]
                )

        # Assert other properties in table
        self.assertEqual(table1.nrows, table2.nrows)
        self.assertEqual(table1.shape, table2.shape)
        self.assertEqual(table1.colnames, table2.colnames)
        self.assertEqual(table1.coldtypes, table2.coldtypes)
        self.assertEqualColinstances(table1, table2)
        self.assertEqual(repr(table1.description), repr(table2.description))
        # Check alignment
        if self.aligned and self.open_kwargs["allow_padding"] is True:
            self.assertEqual(table1.description._v_offsets, [0, 8, 12])
            self.assertEqual(table1.description._v_itemsize, 16)
        else:
            self.assertEqual(table1.description._v_offsets, [0, 8, 11])
            self.assertEqual(table1.description._v_itemsize, 15)
        self.assertEqual(
            table1.description._v_offsets, table2.description._v_offsets
        )
        self.assertEqual(
            table1.description._v_itemsize, table2.description._v_itemsize
        )

        # Leaf attributes
        self.assertEqual(table1.title, table2.title)
        self.assertEqual(6, table2.filters.complevel)
        self.assertEqual(1, table2.filters.shuffle)
        self.assertEqual(table1.filters.fletcher32, table2.filters.fletcher32)

    def test05_copy(self):
        """Checking Table.copy() method (user attributes copied)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test05_copy..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"de", 1.3)],
            names="col1,col2,col3",
            formats="i8,S3,f8",
            aligned=self.aligned,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )
        # Add some user attributes
        table1.attrs.attr1 = "attr1"
        table1.attrs.attr2 = 2

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table in another group
        group1 = self.h5file.create_group("/", "group1")
        table2 = table1.copy(
            group1, "table2", copyuserattrs=1, filters=tb.Filters(complevel=6)
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table1 = self.h5file.root.table1
            table2 = self.h5file.root.group1.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        for row1 in table1:
            nrow = row1.nrow  # current row
            for colname in table1.colnames:
                # self.assertEqual(row1[colname], table2[nrow][colname))
                self.assertEqual(
                    row1[colname], table2.read(nrow, field=colname)[0]
                )

        # Assert other properties in table
        self.assertEqual(table1.nrows, table2.nrows)
        self.assertEqual(table1.shape, table2.shape)
        self.assertEqual(table1.colnames, table2.colnames)
        self.assertEqual(table1.coldtypes, table2.coldtypes)
        self.assertEqualColinstances(table1, table2)
        self.assertEqual(repr(table1.description), repr(table2.description))
        # Check alignment
        if self.aligned and self.open_kwargs["allow_padding"] is True:
            # The conditions for guessing the correct alignment are very
            # tricky, so better disable the checks.  Feel free to re-enable
            # them during debugging by removing the False condition below.
            if False:
                if is_os_64bit() and is_python_64bit():
                    self.assertEqual(table1.description._v_offsets, [0, 8, 16])
                    self.assertEqual(table1.description._v_itemsize, 24)
                elif not is_os_64bit() and not is_python_64bit():
                    self.assertEqual(table1.description._v_offsets, [0, 8, 12])
                    self.assertEqual(table1.description._v_itemsize, 20)
        else:
            self.assertEqual(table1.description._v_offsets, [0, 8, 11])
            self.assertEqual(table1.description._v_itemsize, 19)
        self.assertEqual(
            table1.description._v_offsets, table2.description._v_offsets
        )
        self.assertEqual(
            table1.description._v_itemsize, table2.description._v_itemsize
        )

        # Leaf attributes
        self.assertEqual(table1.title, table2.title)
        self.assertEqual(6, table2.filters.complevel)
        self.assertEqual(1, table2.filters.shuffle)
        self.assertEqual(table1.filters.fletcher32, table2.filters.fletcher32)
        # User attributes
        self.assertEqual(table2.attrs.attr1, "attr1")
        self.assertEqual(table2.attrs.attr2, 2)

    def test05b_copy(self):
        """Checking Table.copy() method (user attributes not copied)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test05b_copy..." % self.__class__.__name__)

        # Create a recarray
        r = np.rec.array(
            [(456, b"dbe", 1.2), (2, b"de", 1.3)],
            names="col1,col2,col3",
            formats="i8,S3,f4",
            aligned=self.aligned,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        # Add some user attributes
        table1.attrs.attr1 = "attr1"
        table1.attrs.attr2 = 2

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table in another group
        group1 = self.h5file.create_group("/", "group1")
        table2 = table1.copy(
            group1, "table2", copyuserattrs=0, filters=tb.Filters(complevel=6)
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table1 = self.h5file.root.table1
            table2 = self.h5file.root.group1.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        for row1 in table1:
            nrow = row1.nrow  # current row
            for colname in table1.colnames:
                # self.assertEqual(row1[colname], table2[nrow][colname))
                self.assertEqual(
                    row1[colname], table2.read(nrow, field=colname)[0]
                )

        # Assert other properties in table
        self.assertEqual(table1.nrows, table2.nrows)
        self.assertEqual(table1.shape, table2.shape)
        self.assertEqual(table1.colnames, table2.colnames)
        self.assertEqual(table1.coldtypes, table2.coldtypes)
        self.assertEqualColinstances(table1, table2)
        self.assertEqual(repr(table1.description), repr(table2.description))
        # Check alignment
        if self.aligned and self.open_kwargs["allow_padding"] is True:
            self.assertEqual(table1.description._v_offsets, [0, 8, 12])
            self.assertEqual(table1.description._v_itemsize, 16)
        else:
            self.assertEqual(table1.description._v_offsets, [0, 8, 11])
            self.assertEqual(table1.description._v_itemsize, 15)
        self.assertEqual(
            table1.description._v_offsets, table2.description._v_offsets
        )
        self.assertEqual(
            table1.description._v_itemsize, table2.description._v_itemsize
        )

        # Leaf attributes
        self.assertEqual(table1.title, table2.title)
        self.assertEqual(6, table2.filters.complevel)
        self.assertEqual(1, table2.filters.shuffle)
        self.assertEqual(table1.filters.fletcher32, table2.filters.fletcher32)
        # User attributes
        self.assertEqual(hasattr(table2.attrs, "attr1"), 0)
        self.assertEqual(hasattr(table2.attrs, "attr2"), 0)


class CopyIssuesTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test_issue1208(self):
        # https://github.com/PyTables/PyTables/issues/1208
        group = self.h5file.create_group("this", "that", createparents=True)
        node = self.h5file.create_table("/", "here", {"a": tb.UInt32Col()})
        node.copy(group, createparents=True, overwrite=True)


class CloseCopyTestCase(CopyTestCase):
    close = True
    aligned = False
    open_kwargs = {"allow_padding": False}


class OpenCopyTestCase(CopyTestCase):
    close = False
    aligned = False
    open_kwargs = {"allow_padding": True}


class AlignedCloseCopyTestCase(CopyTestCase):
    close = True
    aligned = True
    open_kwargs = {"allow_padding": False}


class AlignedOpenCopyTestCase(CopyTestCase):
    close = False
    aligned = True
    open_kwargs = {"allow_padding": True}


class AlignedNoPaddingOpenCopyTestCase(CopyTestCase):
    close = False
    aligned = True
    open_kwargs = {"allow_padding": False}


class CopyIndexTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test01_index(self):
        """Checking Table.copy() method with indexes."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01_index..." % self.__class__.__name__)

        # Create a recarray exceeding buffers capability
        r = np.rec.array(
            b"aaaabbbbccccddddeeeeffffgggg" * 200,
            formats="2i2, (1,)i4, (2,3)u2, (1,)f4, (1,)f8",
            shape=10,
        )
        # The line below exposes a bug in numpy
        # formats='2i2, i4, (2,3)u2, f4, f8',shape=10)
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table
        table1.nrowsinbuf = self.nrowsinbuf
        table2 = table1.copy(
            "/", "table2", start=self.start, stop=self.stop, step=self.step
        )
        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        r2 = r[self.start : self.stop : self.step]
        for nrow in range(r2.shape[0]):
            for colname in table1.colnames:
                self.assertTrue(
                    common.allequal(r2[nrow][colname], table2[nrow][colname])
                )

        # Assert the number of rows in table
        if common.verbose:
            print("nrows in table2-->", table2.nrows)
            print("and it should be-->", r2.shape[0])
        self.assertEqual(r2.shape[0], table2.nrows)

    def test02_indexclosef(self):
        """Checking Table.copy() method with indexes (close file version)"""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02_indexclosef..." % self.__class__.__name__)

        # Create a recarray exceeding buffers capability
        r = np.rec.array(
            b"aaaabbbbccccddddeeeeffffgggg" * 200,
            formats="2i2, i4, (2,3)u2, f4, f8",
            shape=10,
        )
        # Save it in a table:
        table1 = self.h5file.create_table(
            self.h5file.root, "table1", r, "title table1"
        )

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen(mode="a")
            table1 = self.h5file.root.table1

        # Copy to another table
        table1.nrowsinbuf = self.nrowsinbuf
        table2 = table1.copy(
            "/", "table2", start=self.start, stop=self.stop, step=self.step
        )

        self._reopen()
        table1 = self.h5file.root.table1
        table2 = self.h5file.root.table2

        if common.verbose:
            print("table1-->", table1.read())
            print("table2-->", table2.read())
            print("attrs table1-->", repr(table1.attrs))
            print("attrs table2-->", repr(table2.attrs))

        # Check that all the elements are equal
        r2 = r[self.start : self.stop : self.step]
        for nrow in range(r2.shape[0]):
            for colname in table1.colnames:
                self.assertTrue(
                    common.allequal(r2[nrow][colname], table2[nrow][colname])
                )

        # Assert the number of rows in table
        if common.verbose:
            print("nrows in table2-->", table2.nrows)
            print("and it should be-->", r2.shape[0])
        self.assertEqual(r2.shape[0], table2.nrows)


class CopyIndex1TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 1
    start = 0
    stop = 7
    step = 1


class CopyIndex2TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 0
    start = 0
    stop = -1
    step = 1


class CopyIndex3TestCase(CopyIndexTestCase):
    nrowsinbuf = 3
    close = 1
    start = 1
    stop = 7
    step = 1


class CopyIndex4TestCase(CopyIndexTestCase):
    nrowsinbuf = 4
    close = 0
    start = 0
    stop = 6
    step = 1


class CopyIndex5TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 1
    start = 3
    stop = 7
    step = 1


class CopyIndex6TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 0
    start = 3
    stop = 6
    step = 2


class CopyIndex7TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 1
    start = 0
    stop = 7
    step = 10


class CopyIndex8TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 0
    start = 6
    stop = 3
    step = 1


class CopyIndex9TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 1
    start = 3
    stop = 4
    step = 1


class CopyIndex10TestCase(CopyIndexTestCase):
    nrowsinbuf = 1
    close = 0
    start = 3
    stop = 4
    step = 2


class CopyIndex11TestCase(CopyIndexTestCase):
    nrowsinbuf = 2
    close = 1
    start = -3
    stop = -1
    step = 2


class CopyIndex12TestCase(CopyIndexTestCase):
    nrowsinbuf = 3
    close = 0
    start = -1  # Should point to the last element
    stop = None  # None should mean the last element (including it)
    step = 1


class LargeRowSize(common.TempFileMixin, common.PyTablesTestCase):
    def test00(self):
        """Checking saving a Table with a moderately large rowsize"""

        # Create a recarray
        r = np.rec.array([(np.arange(100)) * 2])

        # Save it in a table:
        self.h5file.create_table(self.h5file.root, "largerow", r)

        # Read it again
        r2 = self.h5file.root.largerow.read()

        self.assertEqual(r.tobytes(), r2.tobytes())

    def test01(self):
        """Checking saving a Table with an extremely large rowsize"""

        # Create a recarray (1.4 MB rowsize)
        r = np.zeros(10, dtype=np.dtype("(300,100)i4,(400,400)f8"))
        # From PyTables 1.3 on, we allow row sizes equal or larger than 640 KB
        self.h5file.create_table(self.h5file.root, "largerow", r)

        # Read it again
        r2 = self.h5file.root.largerow.read()
        self.assertEqual(r.tobytes(), r2.tobytes())


class DefaultValues(common.TempFileMixin, common.PyTablesTestCase):
    record = Record

    def test00(self):
        """Checking saving a Table with default values (using the same Row)"""

        # Create a table
        table = self.h5file.create_table(
            self.h5file.root, "table", self.record
        )

        table.nrowsinbuf = 46  # minimum amount that reproduces a problem
        # Take a number of records a bit greater
        nrows = int(table.nrowsinbuf * 1.1)
        row = table.row
        # Fill the table with nrows records
        for i in range(nrows):
            if i == 3:
                row["var2"] = 2
            if i == 4:
                row["var3"] = 3
            # This injects the row values.
            row.append()

        # We need to flush the buffers in table in order to get an
        # accurate number of records on it.
        table.flush()

        # Create a recarray with the same default values
        values = [b"abcd", 1, 2, 3.1, 4.2, 5, "e", 1, 1j, 1 + 0j]
        formats = "S4,i4,i2,f8,f4,u2,S1,b1,c8,c16".split(",")

        if hasattr(tb, "Float16Col"):
            values.append(6.4)
            formats.append("f2")
        if hasattr(tb, "Float96Col"):
            values.append(6.4)
            formats.append("f12")
        if hasattr(tb, "Float128Col"):
            values.append(6.4)
            formats.append("f16")
        if hasattr(tb, "Complex192Col"):
            values.append(1.0 - 0.0j)
            formats.append("c24")
        if hasattr(tb, "Complex256Col"):
            values.append(1.0 - 0.0j)
            formats.append("c32")

        r = np.rec.array([tuple(values)] * nrows, formats=",".join(formats))

        # Assign the value exceptions
        r["f1"][3] = 2
        r["f2"][4] = 3

        # Read the table in another recarray
        # r2 = table.read()
        r2 = table[::]  # Equivalent to table.read()

        # This generates too much output. Activate only when
        # self.nrowsinbuf is very small (<10)
        if common.verbose:
            print("First 10 table values:")
            for row in table.iterrows(0, 10):
                print(row)
            print("The first 5 read recarray values:")
            print(r2[:5])
            print("Records should look like:")
            print(r[:5])

        for name1, name2 in zip(r.dtype.names, r2.dtype.names):
            self.assertTrue(common.allequal(r[name1], r2[name2]))

        # The following can give false errors when columns with extended
        # precision data type are present in the record.
        # It is probably due to some difference in the value of bits used
        # for patting (longdoubles use just 80 bits but are stored in 96 or
        # 128 bits in numpy arrays)
        # self.assertEqual(r.tobytes(), r2.tobytes())

    def test01(self):
        """Checking saving a Table with default values (using different Row)"""

        # Create a table
        table = self.h5file.create_table(
            self.h5file.root, "table", self.record
        )

        table.nrowsinbuf = 46  # minimum amount that reproduces a problem
        # Take a number of records a bit greater
        nrows = int(table.nrowsinbuf * 1.1)
        # Fill the table with nrows records
        for i in range(nrows):
            if i == 3:
                table.row["var2"] = 2
            if i == 4:
                table.row["var3"] = 3
            # This injects the row values.
            table.row.append()

        # We need to flush the buffers in table in order to get an
        # accurate number of records on it.
        table.flush()

        # Create a recarray with the same default values
        values = [b"abcd", 1, 2, 3.1, 4.2, 5, "e", 1, 1j, 1 + 0j]
        formats = "S4,i4,i2,f8,f4,u2,S1,b1,c8,c16".split(",")

        if hasattr(tb, "Float16Col"):
            values.append(6.4)
            formats.append("f2")
        if hasattr(tb, "Float96Col"):
            values.append(6.4)
            formats.append("f12")
        if hasattr(tb, "Float128Col"):
            values.append(6.4)
            formats.append("f16")
        if hasattr(tb, "Complex192Col"):
            values.append(1.0 - 0.0j)
            formats.append("c24")
        if hasattr(tb, "Complex256Col"):
            values.append(1.0 - 0.0j)
            formats.append("c32")

        r = np.rec.array([tuple(values)] * nrows, formats=",".join(formats))

        # Assign the value exceptions
        r["f1"][3] = 2
        r["f2"][4] = 3

        # Read the table in another recarray
        # r2 = table.read()
        r2 = table[::]  # Equivalent to table.read()

        # This generates too much output. Activate only when
        # self.nrowsinbuf is very small (<10)
        if common.verbose:
            print("First 10 table values:")
            for row in table.iterrows(0, 10):
                print(row)
            print("The first 5 read recarray values:")
            print(r2[:5])
            print("Records should look like:")
            print(r[:5])

        for name1, name2 in zip(r.dtype.names, r2.dtype.names):
            self.assertTrue(common.allequal(r[name1], r2[name2]))

        # The following can give false errors when columns with extended
        # precision data type are present in the record.
        # It is probably due to some difference in the value of bits used
        # for patting (longdoubles use just 80 bits but are stored in 96 or
        # 128 bits in numpy arrays)
        # self.assertEqual(r.tobytes(), r2.tobytes())


class OldRecordDefaultValues(DefaultValues):
    title = "OldRecordDefaultValues"
    record = OldRecord


class Record2(tb.IsDescription):
    var1 = tb.StringCol(itemsize=4, dflt=b"abcd")  # 4-character String
    var2 = tb.IntCol(dflt=1)  # integer
    var3 = tb.Int16Col(dflt=2)  # short integer
    var4 = tb.Float64Col(dflt=3.1)  # double (double-precision)


class LengthTestCase(common.TempFileMixin, common.PyTablesTestCase):
    record = Record
    nrows = 20

    def setUp(self):
        super().setUp()

        # Create an instance of an HDF5 Table
        self.rootgroup = self.h5file.root
        self.populateFile()

    def populateFile(self):
        # Create a table
        table = self.h5file.create_table(
            self.h5file.root, "table", self.record, title="__length__ test"
        )
        # Get the row object associated with the new table
        row = table.row

        # Fill the table
        for i in range(self.nrows):
            row.append()

        # Flush the buffer for this table
        table.flush()
        self.table = table

    def test01_lengthrows(self):
        """Checking __length__ in Table."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test01_lengthrows..." % self.__class__.__name__)

        # Number of rows
        len(self.table) == self.nrows

    def test02_lengthcols(self):
        """Checking __length__ in Cols."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test02_lengthcols..." % self.__class__.__name__)

        # Number of columns
        if self.record is Record:
            len(self.table.cols) == 8
        elif self.record is Record2:
            len(self.table.cols) == 4

    def test03_lengthcol(self):
        """Checking __length__ in Column."""

        if common.verbose:
            print("\n", "-=" * 30)
            print("Running %s.test03_lengthcol..." % self.__class__.__name__)

        # Number of rows for all columns column
        for colname in self.table.colnames:
            len(getattr(self.table.cols, colname)) == self.nrows


class Length1TestCase(LengthTestCase):
    record = Record
    nrows = 20


class Length2TestCase(LengthTestCase):
    record = Record2
    nrows = 100


class WhereAppendTestCase(common.TempFileMixin, common.PyTablesTestCase):
    """Tests `Table.append_where()` method."""

    class SrcTblDesc(tb.IsDescription):
        id = tb.IntCol()
        v1 = tb.FloatCol()
        v2 = tb.StringCol(itemsize=8)

    def setUp(self):
        super().setUp()

        tbl = self.h5file.create_table("/", "test", self.SrcTblDesc)
        row = tbl.row

        row["id"] = 1
        row["v1"] = 1.5
        row["v2"] = "a" * 8
        row.append()

        row["id"] = 2
        row["v1"] = 2.5
        row["v2"] = "b" * 6
        row.append()

        tbl.flush()

    def test00_same(self):
        """Query with same storage."""

        DstTblDesc = self.SrcTblDesc

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        tbl1.append_where(tbl2, "id > 1")

        # Rows resulting from the query are those in the new table.
        it2 = iter(tbl2)
        for r1 in tbl1.where("id > 1"):
            r2 = next(it2)
            self.assertTrue(
                r1["id"] == r2["id"]
                and r1["v1"] == r2["v1"]
                and r1["v2"] == r2["v2"]
            )

        # There are no more rows.
        self.assertRaises(StopIteration, next, it2)

    def test01_compatible(self):
        """Query with compatible storage."""

        class DstTblDesc(tb.IsDescription):
            id = tb.FloatCol()  # float, not int
            v1 = tb.FloatCol()
            v2 = tb.StringCol(itemsize=16)  # a longer column
            v3 = tb.FloatCol()  # extra column

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        tbl1.append_where(tbl2, "id > 1")

        # Rows resulting from the query are those in the new table.
        it2 = iter(tbl2)
        for r1 in tbl1.where("id > 1"):
            r2 = next(it2)
            self.assertTrue(
                r1["id"] == r2["id"]
                and r1["v1"] == r2["v1"]
                and r1["v2"] == r2["v2"]
            )

        # There are no more rows.
        self.assertRaises(StopIteration, next, it2)

    def test02_lessPrecise(self):
        """Query with less precise storage."""

        class DstTblDesc(tb.IsDescription):
            id = tb.IntCol()
            v1 = tb.IntCol()  # int, not float
            v2 = tb.StringCol(itemsize=8)

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        tbl1.append_where(tbl2, "id > 1")

        # Rows resulting from the query are those in the new table.
        it2 = iter(tbl2)
        for r1 in tbl1.where("id > 1"):
            r2 = next(it2)
            self.assertTrue(
                r1["id"] == r2["id"]
                and int(r1["v1"]) == r2["v1"]
                and r1["v2"] == r2["v2"]
            )

        # There are no more rows.
        self.assertRaises(StopIteration, next, it2)

    def test03_incompatible(self):
        """Query with incompatible storage."""

        class DstTblDesc(tb.IsDescription):
            id = tb.StringCol(itemsize=4)  # string, not int
            v1 = tb.FloatCol()
            v2 = tb.StringCol(itemsize=8)

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        self.assertRaises(
            NotImplementedError, tbl1.append_where, tbl2, 'v1 == b"1"'
        )

    def test04_noColumn(self):
        """Query with storage lacking columns."""

        class DstTblDesc(tb.IsDescription):
            # no ``id`` field
            v1 = tb.FloatCol()
            v2 = tb.StringCol(itemsize=8)

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        self.assertRaises(KeyError, tbl1.append_where, tbl2, "id > 1")

    def test05_otherFile(self):
        """Appending to a table in another file."""

        h5fname2 = tempfile.mktemp(suffix=".h5")

        try:
            with tb.open_file(h5fname2, "w") as h5file2:
                tbl1 = self.h5file.root.test
                tbl2 = h5file2.create_table("/", "test", self.SrcTblDesc)

                # RW to RW.
                tbl1.append_where(tbl2, "id > 1")

            # RW to RO.
            with tb.open_file(h5fname2, "r") as h5file2:
                tbl2 = h5file2.root.test
                self.assertRaises(
                    tb.FileModeError, tbl1.append_where, tbl2, "id > 1"
                )

                # RO to RO.
                self._reopen("r")
                tbl1 = self.h5file.root.test
                self.assertRaises(
                    tb.FileModeError, tbl1.append_where, tbl2, "id > 1"
                )

            # RO to RW.
            with tb.open_file(h5fname2, "a") as h5file2:
                tbl2 = h5file2.root.test
                tbl1.append_where(tbl2, "id > 1")
        finally:
            if Path(h5fname2).is_file():
                Path(h5fname2).unlink()

    def test06_wholeTable(self):
        """Append whole table."""

        DstTblDesc = self.SrcTblDesc

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        tbl1.append_where(tbl2)

        # Rows resulting from the query are those in the new table.
        it2 = iter(tbl2)
        for r1 in tbl1.__iter__():
            r2 = next(it2)
            self.assertTrue(
                r1["id"] == r2["id"]
                and r1["v1"] == r2["v1"]
                and r1["v2"] == r2["v2"]
            )

        # There are no more rows.
        self.assertRaises(StopIteration, next, it2)


class DerivedTableTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()
        self.h5file.create_table("/", "original", Record)

    def test00(self):
        """Deriving a table from the description of another."""

        tbl1 = self.h5file.root.original
        tbl2 = self.h5file.create_table("/", "derived", tbl1.description)

        self.assertEqual(tbl1.description, tbl2.description)


class ChunkshapeTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()
        self.h5file.create_table("/", "table", Record, chunkshape=13)

    def test00(self):
        """Test setting the chunkshape in a table (no reopen)."""

        tbl = self.h5file.root.table
        if common.verbose:
            print("chunkshape-->", tbl.chunkshape)
        self.assertEqual(tbl.chunkshape, (13,))

    def test01(self):
        """Test setting the chunkshape in a table (reopen)."""

        self.h5file.close()
        self.h5file = tb.open_file(self.h5fname, "r")
        tbl = self.h5file.root.table
        if common.verbose:
            print("chunkshape-->", tbl.chunkshape)
        self.assertEqual(tbl.chunkshape, (13,))


# Test for appending zero-sized recarrays
class ZeroSizedTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()

        # Create a Table
        t = self.h5file.create_table(
            "/", "table", {"c1": tb.Int32Col(), "c2": tb.Float64Col()}
        )
        # Append a single row
        t.append([(1, 2.2)])

    def test01_canAppend(self):
        """Appending zero length recarray."""

        t = self.h5file.root.table
        a = np.empty(shape=(0,), dtype="i4,f8")
        t.append(a)
        self.assertEqual(t.nrows, 1, "The number of rows should be 1.")


# Case for testing ticket #103, i.e. selections in columns which are
# aligned but that its data length is not an exact multiple of the
# length of the record.  This exposes the problem only in 32-bit
# machines, because in 64-bit machine, 'c2' is unaligned.  However,
# this should check most platforms where, while not unaligned,
# len(datatype) > boundary_alignment is fullfilled.
class IrregularStrideTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()

        class IRecord(tb.IsDescription):
            c1 = tb.Int32Col(pos=1)
            c2 = tb.Float64Col(pos=2)

        table = self.h5file.create_table("/", "table", IRecord)
        for i in range(10):
            table.row["c1"] = i
            table.row["c2"] = i
            table.row.append()
        table.flush()

    def test00(self):
        """Selecting rows in a table with irregular stride (but aligned)."""

        table = self.h5file.root.table
        coords1 = table.get_where_list("c1<5")
        coords2 = table.get_where_list("c2<5")
        if common.verbose:
            print("\nSelected coords1-->", coords1)
            print("Selected coords2-->", coords2)
        self.assertTrue(
            common.allequal(coords1, np.arange(5, dtype=tb.utils.SizeType))
        )
        self.assertTrue(
            common.allequal(coords2, np.arange(5, dtype=tb.utils.SizeType))
        )


class Issue262TestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()

        class IRecord(tb.IsDescription):
            c1 = tb.Int32Col(pos=1)
            c2 = tb.Float64Col(pos=2)

        table = self.h5file.create_table("/", "table", IRecord)
        table.nrowsinbuf = 3

        for i in range(20):
            table.row["c1"] = i
            table.row["c2"] = i
            table.row.append()

            table.row["c1"] = i % 29
            table.row["c2"] = 300 - i
            table.row.append()

            table.row["c1"] = 300 - i
            table.row["c2"] = 100 + i % 30
            table.row.append()

        table.flush()

    def test_gh260(self):
        """Regression test for gh-260"""

        table = self.h5file.root.table
        coords1 = table.get_where_list("(c1>5)&(c2<30)", start=0, step=2)
        coords2 = table.get_where_list("(c1>5)&(c2<30)", start=1, step=2)
        data = table.read()
        data = data[np.where((data["c1"] > 5) & (data["c2"] < 30))]

        if common.verbose:
            print()
            print("Selected coords1-->", coords1)
            print("Selected coords2-->", coords2)
            print("Selected data-->", data)
        self.assertEqual(len(coords1) + len(coords2), len(data))

    def test_gh262_01(self):
        """Regression test for gh-262 (start=0, step=1)"""

        table = self.h5file.root.table
        data = table.get_where_list("(c1>5)&(~(c1>5))", start=0, step=1)

        if common.verbose:
            print()
            print("data -->", data)
        self.assertEqual(len(data), 0)

    def test_gh262_02(self):
        """Regression test for gh-262 (start=1, step=1)"""

        table = self.h5file.root.table
        data = table.get_where_list("(c1>5)&(~(c1>5))", start=1, step=1)

        if common.verbose:
            print()
            print("data -->", data)
        self.assertEqual(len(data), 0)

    def test_gh262_03(self):
        """Regression test for gh-262 (start=0, step=2)"""

        table = self.h5file.root.table
        data = table.get_where_list("(c1>5)&(~(c1>5))", start=0, step=2)

        if common.verbose:
            print()
            print("data -->", data)
        self.assertEqual(len(data), 0)

    def test_gh262_04(self):
        """Regression test for gh-262 (start=1, step=2)"""

        table = self.h5file.root.table
        data = table.get_where_list("(c1>5)&(~(c1>5))", start=1, step=2)

        if common.verbose:
            print()
            print("data -->", data)
        self.assertEqual(len(data), 0)


class TruncateTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()

        table = self.h5file.create_table("/", "table", self.IRecord)
        # Fill just a couple of rows
        for i in range(2):
            table.row["c1"] = i
            table.row["c2"] = i
            table.row.append()
        table.flush()
        # The defaults
        self.dflts = table.coldflts

    def test00_truncate(self):
        """Checking Table.truncate() method (truncating to 0 rows)"""

        table = self.h5file.root.table
        # Truncate to 0 elements
        table.truncate(0)

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table = self.h5file.root.table

        if common.verbose:
            print("table-->", table.read())

        self.assertEqual(table.nrows, 0)
        for row in table:
            self.assertEqual(row["c1"], row.nrow)

    def test01_truncate(self):
        """Checking Table.truncate() method (truncating to 1 rows)"""

        table = self.h5file.root.table
        # Truncate to 1 element
        table.truncate(1)

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table = self.h5file.root.table

        if common.verbose:
            print("table-->", table.read())

        self.assertEqual(table.nrows, 1)
        for row in table:
            self.assertEqual(row["c1"], row.nrow)

    def test02_truncate(self):
        """Checking Table.truncate() method (truncating to == self.nrows)"""

        table = self.h5file.root.table
        # Truncate to 2 elements
        table.truncate(2)

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table = self.h5file.root.table

        if common.verbose:
            print("table-->", table.read())

        self.assertEqual(table.nrows, 2)
        for row in table:
            self.assertEqual(row["c1"], row.nrow)

    def test03_truncate(self):
        """Checking Table.truncate() method (truncating to > self.nrows)"""

        table = self.h5file.root.table
        # Truncate to 4 elements
        table.truncate(4)

        if self.close:
            if common.verbose:
                print("(closing file version)")
            self._reopen()
            table = self.h5file.root.table

        if common.verbose:
            print("table-->", table.read())

        self.assertEqual(table.nrows, 4)
        # Check the original values
        for row in table.iterrows(start=0, stop=2):
            self.assertEqual(row["c1"], row.nrow)
        # Check that the added rows have the default values
        for row in table.iterrows(start=2, stop=4):
            self.assertEqual(row["c1"], self.dflts["c1"])
            self.assertEqual(row["c2"], self.dflts["c2"])


class TruncateOpen1(TruncateTestCase):
    class IRecord(tb.IsDescription):
        c1 = tb.Int32Col(pos=1)
        c2 = tb.FloatCol(pos=2)

    close = 0


class TruncateOpen2(TruncateTestCase):
    class IRecord(tb.IsDescription):
        c1 = tb.Int32Col(pos=1, dflt=3)
        c2 = tb.FloatCol(pos=2, dflt=-3.1)

    close = 0


class TruncateClose1(TruncateTestCase):
    class IRecord(tb.IsDescription):
        c1 = tb.Int32Col(pos=1)
        c2 = tb.FloatCol(pos=2)

    close = 1


class TruncateClose2(TruncateTestCase):
    class IRecord(tb.IsDescription):
        c1 = tb.Int32Col(pos=1, dflt=4)
        c2 = tb.FloatCol(pos=2, dflt=3.1)

    close = 1


class PointSelectionTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()

        N = 100

        self.working_keyset = [
            [0, 1],
            [0, -1],
        ]
        self.not_working_keyset = [
            [0, N],
            [0, N + 1],
            [0, -N - 1],
        ]

        # Limits for selections
        self.limits = [
            (0, 1),  # just one element
            (20, -10),  # no elements
            (-10, 4),  # several elements
            (0, 10),  # several elements (again)
        ]

        # Create a sample tables
        self.data = data = np.arange(N)
        self.recarr = recarr = np.empty(N, dtype="i4,f4")
        recarr["f0"][:] = data
        recarr["f1"][:] = data
        self.table = self.h5file.create_table(
            self.h5file.root, "table", recarr
        )

    def test01a_read(self):
        """Test for point-selections (read, boolean keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = (data >= value1) & (data < value2)
            if common.verbose:
                print("Selection to test:", key)
            a = recarr[key]
            b = table[key]
            if common.verbose:
                print("NumPy selection:", a)
                print("PyTables selection:", b)
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables selections does not match."
            )

    def test01b_read(self):
        """Test for point-selections (read, tuples of integers keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = np.where((data >= value1) & (data < value2))
            if common.verbose:
                print("Selection to test:", key, type(key))
            a = recarr[key]
            b = table[key]
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables selections does not match."
            )

    def test01c_read(self):
        """Test for point-selections (read, tuples of floats keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = np.where((data >= value1) & (data < value2))
            if common.verbose:
                print("Selection to test:", key)
            recarr[key]
            fkey = np.array(key, "f4")
            self.assertRaises(TypeError, table.__getitem__, fkey)

    def test01d_read(self):
        """Test for point-selections (read, numpy keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = np.where((data >= value1) & (data < value2))[0]
            if common.verbose:
                print("Selection to test:", key, type(key))
            a = recarr[key]
            b = table[key]
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables selections does not match."
            )

    def test01e_read(self):
        """Test for point-selections (read, list keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = np.where((data >= value1) & (data < value2))[0].tolist()
            if common.verbose:
                print("Selection to test:", key, type(key))
            a = recarr[key]
            b = table[key]
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables selections does not match."
            )

    def test01f_read(self):
        recarr = self.recarr
        table = self.table

        for key in self.working_keyset:
            if common.verbose:
                print("Selection to test:", key)
            a = recarr[key]
            b = table[key]
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables selections does not match."
            )

    def test01g_read(self):
        table = self.table

        for key in self.not_working_keyset:
            if common.verbose:
                print("Selection to test:", key)

            self.assertRaises(IndexError, table.__getitem__, key)

    def test02a_write(self):
        """Test for point-selections (write, boolean keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = np.where((data >= value1) & (data < value2))
            if common.verbose:
                print("Selection to test:", key)
            s = recarr[key]
            # Modify the s recarray
            s["f0"][:] = data[: len(s)] * 2
            s["f1"][:] = data[: len(s)] * 3
            # Modify recarr and table
            recarr[key] = s
            table[key] = s
            a = recarr[:]
            b = table[:]
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables modifications does not match."
            )

    def test02b_write(self):
        """Test for point-selections (write, integer keys)."""

        data = self.data
        recarr = self.recarr
        table = self.table
        for value1, value2 in self.limits:
            key = np.where((data >= value1) & (data < value2))
            if common.verbose:
                print("Selection to test:", key)
            s = recarr[key]
            # Modify the s recarray
            s["f0"][:] = data[: len(s)] * 2
            s["f1"][:] = data[: len(s)] * 3
            # Modify recarr and table
            recarr[key] = s
            table[key] = s
            a = recarr[:]
            b = table[:]
            np.testing.assert_array_equal(
                a, b, "NumPy array and PyTables modifications does not match."
            )


# Test for building very large MD columns without defaults
class MDLargeColTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test01_create(self):
        """Create a Table with a very large MD column.  Ticket #211."""
        N = 2**18  # 4x larger than maximum object header size (64 KB)
        cols = {"col1": tb.Int8Col(shape=N, dflt=0)}
        tbl = self.h5file.create_table("/", "test", cols)
        tbl.row.append()  # add a single row
        tbl.flush()
        if self.reopen:
            self._reopen("a")
            tbl = self.h5file.root.test
        # Check the value
        if common.verbose:
            print("First row-->", tbl[0]["col1"])
        np.testing.assert_array_equal(tbl[0]["col1"], np.zeros(N, "i1"))


class MDLargeColNoReopen(MDLargeColTestCase):
    reopen = False


class MDLargeColReopen(MDLargeColTestCase):
    reopen = True


# Test with itertools.groupby that iterates on exhausted Row iterator
# See ticket #264.
class ExhaustedIter(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()

        class Observations(tb.IsDescription):
            market_id = tb.IntCol(pos=0)
            scenario_id = tb.IntCol(pos=1)
            value = tb.Float32Col(pos=3)

        table = self.h5file.create_table(
            "/", "observations", Observations, chunkshape=32
        )

        # fill the database
        observations = np.arange(225)
        row = table.row
        for market_id in range(5):
            for scenario_id in range(3):
                for obs in observations:
                    row["market_id"] = market_id
                    row["scenario_id"] = scenario_id
                    row["value"] = obs
                    row.append()
        table.flush()

    def average(self, values):
        return sum(values, 0.0) / len(values)

    def f_scenario(self, row):
        return row["scenario_id"]

    def test00_groupby(self):
        """Checking iterating an exhausted iterator (ticket #264)"""
        rows = self.h5file.root.observations.where("(market_id == 3)")
        scenario_means = []
        for scenario_id, rows_grouped in itertools.groupby(
            rows, self.f_scenario
        ):
            vals = [row["value"] for row in rows_grouped]
            scenario_means.append(self.average(vals))
        if common.verbose:
            print("Means -->", scenario_means)
        self.assertEqual(scenario_means, [112.0, 112.0, 112.0])

    def test01_groupby(self):
        """Checking iterating an exhausted iterator (ticket #264). Reopen."""

        self._reopen()

        rows = self.h5file.root.observations.where("(market_id == 3)")
        scenario_means = []
        for scenario_id, rows_grouped in itertools.groupby(
            rows, self.f_scenario
        ):
            vals = [row["value"] for row in rows_grouped]
            scenario_means.append(self.average(vals))
        if common.verbose:
            print("Means -->", scenario_means)
        self.assertEqual(scenario_means, [112.0, 112.0, 112.0])


class SpecialColnamesTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test00_check_names(self):
        f = self.h5file
        a = np.array(
            [(1, 2, 3)], dtype=[("a", int), ("_b", int), ("__c", int)]
        )
        t = f.create_table(f.root, "test", a)
        self.assertEqual(len(t.colnames), 3, "Number of columns incorrect")
        if common.verbose:
            print("colnames -->", t.colnames)
        for name, name2 in zip(t.colnames, ("a", "_b", "__c")):
            self.assertEqual(name, name2)


class RowContainsTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def test00_row_contains(self):
        f = self.h5file
        a = np.array([(1, 2, 3)], dtype="i1,i2,i4")
        t = f.create_table(f.root, "test", a)
        row = [r for r in t.iterrows()][0]
        if common.verbose:
            print("row -->", row[:])
        for item in (1, 2, 3):
            self.assertIn(item, row)
        self.assertNotIn(4, row)


class AccessClosedTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()
        self.table = self.h5file.create_table(
            self.h5file.root, "table", Record
        )

        row = self.table.row
        for i in range(10):
            row["var1"] = "%04d" % i
            row["var2"] = i
            row["var3"] = i % 3
            row.append()
        self.table.flush()

    def test_read(self):
        self.h5file.close()
        self.assertRaises(tb.ClosedNodeError, self.table.read)

    def test_getitem(self):
        self.h5file.close()
        self.assertRaises(tb.ClosedNodeError, self.table.__getitem__, 0)

    def test_setitem(self):
        data = self.table[0]
        self.h5file.close()
        self.assertRaises(tb.ClosedNodeError, self.table.__setitem__, 0, data)

    def test_append(self):
        data = self.table[0]
        self.h5file.close()
        self.assertRaises(tb.ClosedNodeError, self.table.append, data)

    def test_readWhere(self):
        self.h5file.close()
        self.assertRaises(
            tb.ClosedNodeError, self.table.read_where, "var2 > 3"
        )

    def test_whereAppend(self):
        self.h5file.close()
        self.assertRaises(
            tb.ClosedNodeError, self.table.append_where, self.table, "var2 > 3"
        )

    def test_getWhereList(self):
        self.h5file.close()
        self.assertRaises(
            tb.ClosedNodeError, self.table.get_where_list, "var2 > 3"
        )

    def test_readSorted(self):
        self.h5file.close()
        self.assertRaises(tb.ClosedNodeError, self.table.read_sorted, "var2")

    def test_readCoordinates(self):
        self.h5file.close()
        self.assertRaises(
            tb.ClosedNodeError, self.table.read_coordinates, [2, 5]
        )


class ColumnIterationTestCase(common.TempFileMixin, common.PyTablesTestCase):
    def setUp(self):
        super().setUp()
        self.buffer_size = self.h5file.params["IO_BUFFER_SIZE"]

    def create_non_nested_table(self, nrows, dtype):
        array = np.empty((nrows,), dtype)
        for name in dtype.names:
            array[name] = np.random.randint(0, 10_000, nrows)
        table = self.h5file.create_table("/", "table", dtype)
        table.append(array)
        return array, table

    def iterate(self, array, table):
        row_num = 0
        for item in table.cols.f0:
            self.assertEqual(item, array["f0"][row_num])
            row_num += 1
        self.assertEqual(row_num, len(array))

    def test_less_than_io_buffer(self):
        dtype = np.rec.format_parser(["i8"] * 3, [], []).dtype
        rows_in_buffer = self.buffer_size // dtype[0].itemsize
        array, table = self.create_non_nested_table(rows_in_buffer // 2, dtype)
        self.iterate(array, table)

    def test_more_than_io_buffer(self):
        dtype = np.rec.format_parser(["i8"] * 3, [], []).dtype
        rows_in_buffer = self.buffer_size // dtype[0].itemsize
        array, table = self.create_non_nested_table(rows_in_buffer * 3, dtype)
        self.iterate(array, table)

    def test_partially_filled_buffer(self):
        dtype = np.rec.format_parser(["i8"] * 3, [], []).dtype
        rows_in_buffer = self.buffer_size // dtype[0].itemsize
        array, table = self.create_non_nested_table(
            rows_in_buffer * 2 + 2, dtype
        )
        self.iterate(array, table)

    def test_zero_length_table(self):
        dtype = np.rec.format_parser(["i8"] * 3, [], []).dtype
        array, table = self.create_non_nested_table(0, dtype)
        self.assertEqual(len(table), 0)
        self.iterate(array, table)


class TestCreateTableArgs(common.TempFileMixin, common.PyTablesTestCase):
    obj = np.array(
        [("aaaa", 1, 2.1), ("bbbb", 2, 3.2)],
        dtype=[("name", "S4"), ("icol", np.int32), ("fcol", np.float32)],
    )
    where = "/"
    name = "table"
    description, _ = tb.description.descr_from_dtype(obj.dtype)
    title = "title"
    filters = None
    expectedrows = 10_000
    chunkshape = None
    byteorder = None
    createparents = False

    def test_positional_args_01(self):
        self.h5file.create_table(
            self.where,
            self.name,
            self.description,
            self.title,
            self.filters,
            self.expectedrows,
        )

        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (0,))
        self.assertEqual(ptarr.nrows, 0)
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)

    def test_positional_args_02(self):
        ptarr = self.h5file.create_table(
            self.where,
            self.name,
            self.description,
            self.title,
            self.filters,
            self.expectedrows,
        )
        ptarr.append(self.obj)

        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)
        nparr = ptarr.read()

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (len(self.obj),))
        self.assertEqual(ptarr.nrows, len(self.obj))
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)
        self.assertEqual(nparr.dtype, self.obj.dtype)
        self.assertTrue(common.allequal(self.obj, nparr))

    def test_positional_args_obj(self):
        self.h5file.create_table(
            self.where,
            self.name,
            None,
            self.title,
            self.filters,
            self.expectedrows,
            self.chunkshape,
            self.byteorder,
            self.createparents,
            self.obj,
        )

        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)
        nparr = ptarr.read()

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (len(self.obj),))
        self.assertEqual(ptarr.nrows, len(self.obj))
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)
        self.assertTrue(common.allequal(self.obj, nparr))

    def test_kwargs_obj(self):
        self.h5file.create_table(
            self.where, self.name, title=self.title, obj=self.obj
        )

        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)
        nparr = ptarr.read()

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (len(self.obj),))
        self.assertEqual(ptarr.nrows, len(self.obj))
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)
        self.assertTrue(common.allequal(self.obj, nparr))

    def test_kwargs_description_01(self):
        ptarr = self.h5file.create_table(
            self.where,
            self.name,
            title=self.title,
            description=self.description,
        )
        ptarr.append(self.obj)

        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)
        nparr = ptarr.read()

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (len(self.obj),))
        self.assertEqual(ptarr.nrows, len(self.obj))
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)
        self.assertTrue(common.allequal(self.obj, nparr))

    def test_kwargs_description_02(self):
        ptarr = self.h5file.create_table(
            self.where,
            self.name,
            title=self.title,
            description=self.description,
        )
        # ptarr.append(self.obj)
        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (0,))
        self.assertEqual(ptarr.nrows, 0)
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)

    def test_kwargs_obj_description(self):
        ptarr = self.h5file.create_table(
            self.where,
            self.name,
            title=self.title,
            obj=self.obj,
            description=self.description,
        )

        self._reopen()

        ptarr = self.h5file.get_node(self.where, self.name)
        nparr = ptarr.read()

        self.assertEqual(ptarr.title, self.title)
        self.assertEqual(ptarr.shape, (len(self.obj),))
        self.assertEqual(ptarr.nrows, len(self.obj))
        self.assertEqual(tuple(ptarr.colnames), self.obj.dtype.names)
        self.assertTrue(common.allequal(self.obj, nparr))

    def test_kwargs_obj_description_error_01(self):
        self.assertRaises(
            TypeError,
            self.h5file.create_table,
            self.where,
            self.name,
            title=self.title,
            obj=self.obj,
            description=Record,
        )

    def test_kwargs_obj_description_error_02(self):
        self.assertRaises(
            TypeError,
            self.h5file.create_table,
            self.where,
            self.name,
            title=self.title,
            obj=self.obj,
            description=Record(),
        )

    def test_kwargs_obj_description_error_03(self):
        self.assertRaises(
            TypeError,
            self.h5file.create_table,
            self.where,
            self.name,
            title=self.title,
            obj=self.obj,
            description=RecordDescriptionDict,
        )


class TestCreateTableColumnAttrs(
    common.TempFileMixin, common.PyTablesTestCase
):
    """
    Testing the attachment of column attributes (metadata) during table layout
    creation using an `IsDescription` subclass.
    """

    where = "/"
    name = "table"
    freq_attrs = {"val": 13.3, "unit": "Hz", "description": "Ref. freq"}
    labels_attrs = {"nbits": 10}

    def test_col_attr_01(self):
        """
        Tests if the set column attrs set via `IsDescription` subclass are
        available in the table.
        """

        class TableEntry(tb.IsDescription):
            # Adding column attrs at description level
            freq = tb.Float32Col(attrs=self.freq_attrs)
            labels = tb.StringCol(itemsize=2, attrs=self.labels_attrs)

        self.h5file.create_table(self.where, self.name, TableEntry)

        self._reopen()

        table = self.h5file.get_node(self.where, self.name)
        # for k, v in self.freq_attrs.items():
        #     # self.assertTrue(table.cols.freq.attrs.contains(k))
        #     self.assertTrue(table.cols.freq.attrs[k] == self.freq_attrs[k])
        for k, v in self.labels_attrs.items():
            # self.assertTrue(table.cols.labels.attrs.contains(k))
            self.assertTrue(table.cols.labels.attrs[k] == self.labels_attrs[k])

    def test_col_attr_02(self):
        """
        Tests if the `ColumnAttributeSet` works for adding and changing attrs
        per column in the existing table.
        """

        class TableEntry(tb.IsDescription):
            # Not adding attrs
            freq = tb.Float32Col()
            labels = tb.StringCol(itemsize=2)

        table = self.h5file.create_table(self.where, self.name, TableEntry)
        for k, v in self.freq_attrs.items():
            table.cols.freq.attrs[k] = v
        for k, v in self.labels_attrs.items():
            table.cols.labels.attrs[k] = v

        self._reopen()

        table = self.h5file.get_node(self.where, self.name)
        for k, v in self.freq_attrs.items():
            self.assertTrue(table.cols.freq.attrs.contains(k))
            self.assertTrue(table.cols.freq.attrs[k] == self.freq_attrs[k])
        for k, v in self.labels_attrs.items():
            self.assertTrue(table.cols.labels.attrs.contains(k))
            self.assertTrue(table.cols.labels.attrs[k] == self.labels_attrs[k])

    def test_col_attr_03(self):
        """
        Similar test as *_02 but using the .name access.
        """

        class TableEntry(tb.IsDescription):
            col1 = tb.Float32Col()

        table = self.h5file.create_table(self.where, self.name, TableEntry)
        table.cols.col1.attrs.val = 1
        table.cols.col1.attrs.unit = "N"

        self._reopen()

        table = self.h5file.get_node(self.where, self.name)
        self.assertTrue(table.cols.col1.attrs.val == 1)
        self.assertTrue(table.cols.col1.attrs.unit == "N")


def suite():
    theSuite = common.unittest.TestSuite()
    niter = 1
    # common.heavy = 1  # uncomment this only for testing purposes

    for n in range(niter):
        theSuite.addTest(common.make_suite(BasicWriteTestCase))
        theSuite.addTest(common.make_suite(OldRecordBasicWriteTestCase))
        theSuite.addTest(common.make_suite(DictWriteTestCase))
        theSuite.addTest(common.make_suite(NumPyDTWriteTestCase))
        theSuite.addTest(common.make_suite(RecArrayOneWriteTestCase))
        theSuite.addTest(common.make_suite(RecArrayTwoWriteTestCase))
        theSuite.addTest(common.make_suite(RecArrayThreeWriteTestCase))
        theSuite.addTest(common.make_suite(RecArrayAlignedWriteTestCase))
        theSuite.addTest(common.make_suite(CompressBloscTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBlosc2TablesTestCase))
        theSuite.addTest(common.make_suite(CompressBloscShuffleTablesTestCase))
        theSuite.addTest(
            common.make_suite(CompressBlosc2ShuffleTablesTestCase)
        )
        theSuite.addTest(
            common.make_suite(CompressBloscBitShuffleTablesTestCase)
        )
        theSuite.addTest(
            common.make_suite(CompressBlosc2BitShuffleTablesTestCase)
        )
        theSuite.addTest(common.make_suite(CompressBloscBloscLZTablesTestCase))
        theSuite.addTest(
            common.make_suite(CompressBlosc2BloscLZTablesTestCase)
        )
        theSuite.addTest(common.make_suite(CompressBloscLZ4TablesTestCase))
        theSuite.addTest(common.make_suite(CompressBlosc2LZ4TablesTestCase))
        theSuite.addTest(common.make_suite(CompressBloscLZ4HCTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBlosc2LZ4HCTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBloscSnappyTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBloscZlibTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBlosc2ZlibTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBloscZstdTablesTestCase))
        theSuite.addTest(common.make_suite(CompressBlosc2ZstdTablesTestCase))
        theSuite.addTest(common.make_suite(CompressLZOTablesTestCase))
        theSuite.addTest(common.make_suite(CompressLZOShuffleTablesTestCase))
        theSuite.addTest(common.make_suite(CompressZLIBTablesTestCase))
        theSuite.addTest(common.make_suite(CompressZLIBShuffleTablesTestCase))
        theSuite.addTest(common.make_suite(Fletcher32TablesTestCase))
        theSuite.addTest(common.make_suite(AllFiltersTablesTestCase))
        theSuite.addTest(common.make_suite(CompressTwoTablesTestCase))
        theSuite.addTest(common.make_suite(SizeOnDiskInMemoryPropertyTestCase))
        theSuite.addTest(common.make_suite(NonNestedTableReadTestCase))
        theSuite.addTest(common.make_suite(TableReadByteorderTestCase))
        theSuite.addTest(common.make_suite(IterRangeTestCase))
        theSuite.addTest(common.make_suite(RecArrayRangeTestCase))
        theSuite.addTest(common.make_suite(GetColRangeTestCase))
        theSuite.addTest(common.make_suite(GetItemTestCase))
        theSuite.addTest(common.make_suite(SetItemTestCase1))
        theSuite.addTest(common.make_suite(SetItemTestCase2))
        theSuite.addTest(common.make_suite(SetItemTestCase3))
        theSuite.addTest(common.make_suite(SetItemTestCase4))
        theSuite.addTest(common.make_suite(UpdateRowTestCase1))
        theSuite.addTest(common.make_suite(UpdateRowTestCase2))
        theSuite.addTest(common.make_suite(UpdateRowTestCase3))
        theSuite.addTest(common.make_suite(UpdateRowTestCase4))
        theSuite.addTest(common.make_suite(RecArrayIO1))
        theSuite.addTest(common.make_suite(RecArrayIO2))
        theSuite.addTest(common.make_suite(OpenCopyTestCase))
        theSuite.addTest(common.make_suite(CloseCopyTestCase))
        theSuite.addTest(common.make_suite(AlignedOpenCopyTestCase))
        theSuite.addTest(common.make_suite(AlignedCloseCopyTestCase))
        theSuite.addTest(common.make_suite(AlignedNoPaddingOpenCopyTestCase))
        theSuite.addTest(common.make_suite(CopyIndex1TestCase))
        theSuite.addTest(common.make_suite(CopyIndex2TestCase))
        theSuite.addTest(common.make_suite(CopyIndex3TestCase))
        theSuite.addTest(common.make_suite(CopyIndex4TestCase))
        theSuite.addTest(common.make_suite(CopyIndex5TestCase))
        theSuite.addTest(common.make_suite(CopyIndex6TestCase))
        theSuite.addTest(common.make_suite(CopyIndex7TestCase))
        theSuite.addTest(common.make_suite(CopyIndex8TestCase))
        theSuite.addTest(common.make_suite(CopyIndex9TestCase))
        theSuite.addTest(common.make_suite(DefaultValues))
        theSuite.addTest(common.make_suite(OldRecordDefaultValues))
        theSuite.addTest(common.make_suite(Length1TestCase))
        theSuite.addTest(common.make_suite(Length2TestCase))
        theSuite.addTest(common.make_suite(WhereAppendTestCase))
        theSuite.addTest(common.make_suite(DerivedTableTestCase))
        theSuite.addTest(common.make_suite(ChunkshapeTestCase))
        theSuite.addTest(common.make_suite(ZeroSizedTestCase))
        theSuite.addTest(common.make_suite(IrregularStrideTestCase))
        theSuite.addTest(common.make_suite(Issue262TestCase))
        theSuite.addTest(common.make_suite(TruncateOpen1))
        theSuite.addTest(common.make_suite(TruncateOpen2))
        theSuite.addTest(common.make_suite(TruncateClose1))
        theSuite.addTest(common.make_suite(TruncateClose2))
        theSuite.addTest(common.make_suite(PointSelectionTestCase))
        theSuite.addTest(common.make_suite(MDLargeColNoReopen))
        theSuite.addTest(common.make_suite(MDLargeColReopen))
        theSuite.addTest(common.make_suite(ExhaustedIter))
        theSuite.addTest(common.make_suite(SpecialColnamesTestCase))
        theSuite.addTest(common.make_suite(RowContainsTestCase))
        theSuite.addTest(common.make_suite(AccessClosedTestCase))
        theSuite.addTest(common.make_suite(ColumnIterationTestCase))
        theSuite.addTest(common.make_suite(TestCreateTableArgs))
        theSuite.addTest(common.make_suite(TestCreateTableColumnAttrs))

    if common.heavy:
        theSuite.addTest(common.make_suite(CompressBzip2TablesTestCase))
        theSuite.addTest(common.make_suite(CompressBzip2ShuffleTablesTestCase))
        theSuite.addTest(common.make_suite(CopyIndex10TestCase))
        theSuite.addTest(common.make_suite(CopyIndex11TestCase))
        theSuite.addTest(common.make_suite(CopyIndex12TestCase))
        theSuite.addTest(common.make_suite(LargeRowSize))
        theSuite.addTest(common.make_suite(BigTablesTestCase))

    return theSuite


if __name__ == "__main__":
    common.parse_argv(sys.argv)
    common.print_versions()
    common.unittest.main(defaultTest="suite")
