[
    {
        "description": "Location-independent identifier",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$ref": "#foo",
            "$defs": {
                "A": {
                    "$anchor": "foo",
                    "type": "integer"
                }
            }
        },
        "tests": [
            {
                "data": 1,
                "description": "match",
                "valid": true
            },
            {
                "data": "a",
                "description": "mismatch",
                "valid": false
            }
        ]
    },
    {
        "description": "Location-independent identifier with absolute URI",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$ref": "http://localhost:1234/draft2019-09/bar#foo",
            "$defs": {
                "A": {
                    "$id": "http://localhost:1234/draft2019-09/bar",
                    "$anchor": "foo",
                    "type": "integer"
                }
            }
        },
        "tests": [
            {
                "data": 1,
                "description": "match",
                "valid": true
            },
            {
                "data": "a",
                "description": "mismatch",
                "valid": false
            }
        ]
    },
    {
        "description": "Location-independent identifier with base URI change in subschema",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$id": "http://localhost:1234/draft2019-09/root",
            "$ref": "http://localhost:1234/draft2019-09/nested.json#foo",
            "$defs": {
                "A": {
                    "$id": "nested.json",
                    "$defs": {
                        "B": {
                            "$anchor": "foo",
                            "type": "integer"
                        }
                    }
                }
            }
        },
        "tests": [
            {
                "data": 1,
                "description": "match",
                "valid": true
            },
            {
                "data": "a",
                "description": "mismatch",
                "valid": false
            }
        ]
    },
    {
        "description": "$anchor inside an enum is not a real identifier",
        "comment": "the implementation must not be confused by an $anchor buried in the enum",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$defs": {
                "anchor_in_enum": {
                    "enum": [
                        {
                            "$anchor": "my_anchor",
                            "type": "null"
                        }
                    ]
                },
                "real_identifier_in_schema": {
                    "$anchor": "my_anchor",
                    "type": "string"
                },
                "zzz_anchor_in_const": {
                    "const": {
                        "$anchor": "my_anchor",
                        "type": "null"
                    }
                }
            },
            "anyOf": [
                { "$ref": "#/$defs/anchor_in_enum" },
                { "$ref": "#my_anchor" }
            ]
        },
        "tests": [
            {
                "description": "exact match to enum, and type matches",
                "data": {
                    "$anchor": "my_anchor",
                    "type": "null"
                },
                "valid": true
            },
            {
                "description": "in implementations that strip $anchor, this may match either $def",
                "data": {
                    "type": "null"
                },
                "valid": false
            },
            {
                "description": "match $ref to $anchor",
                "data": "a string to match #/$defs/anchor_in_enum",
                "valid": true
            },
            {
                "description": "no match on enum or $ref to $anchor",
                "data": 1,
                "valid": false
            }
        ]
    },
    {
        "description": "same $anchor with different base uri",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$id": "http://localhost:1234/draft2019-09/foobar",
            "$defs": {
                "A": {
                    "$id": "child1",
                    "allOf": [
                        {
                            "$id": "child2",
                            "$anchor": "my_anchor",
                            "type": "number"
                        },
                        {
                            "$anchor": "my_anchor",
                            "type": "string"
                        }
                    ]
                }
            },
            "$ref": "child1#my_anchor"
        },
        "tests": [
            {
                "description": "$ref resolves to /$defs/A/allOf/1",
                "data": "a",
                "valid": true
            },
            {
                "description": "$ref does not resolve to /$defs/A/allOf/0",
                "data": 1,
                "valid": false
            }
        ]
    },
    {
        "description": "non-schema object containing an $anchor property",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$defs": {
                "const_not_anchor": {
                    "const": {
                        "$anchor": "not_a_real_anchor"
                    }
                }
            },
            "if": {
                "const": "skip not_a_real_anchor"
            },
            "then": true,
            "else" : {
                "$ref": "#/$defs/const_not_anchor"
            }
        },
        "tests": [
            {
                "description": "skip traversing definition for a valid result",
                "data": "skip not_a_real_anchor",
                "valid": true
            },
            {
                "description": "const at const_not_anchor does not match",
                "data": 1,
                "valid": false
            }
        ]
    },
    {
        "description": "invalid anchors",
        "comment": "Section 8.2.3",
        "schema": {
            "$schema": "https://json-schema.org/draft/2019-09/schema",
            "$ref": "https://json-schema.org/draft/2019-09/schema"
        },
        "tests": [
            {
                "description": "MUST start with a letter (and not #)",
                "data": { "$anchor" : "#foo" },
                "valid": false
            },
            {
                "description": "JSON pointers are not valid",
                "data": { "$anchor" : "/a/b" },
                "valid": false
            },
            {
                "description": "invalid with valid beginning",
                "data": { "$anchor" : "foo#something" },
                "valid": false
            }
        ]
    }
]
