[
    {
        "description": "Location-independent identifier",
        "schema": {
            "$ref": "#foo",
            "$defs": {
                "A": {
                    "$anchor": "foo",
                    "type": "integer"
                }
            }
        },
        "tests": [
            {
                "data": 1,
                "description": "match",
                "valid": true
            },
            {
                "data": "a",
                "description": "mismatch",
                "valid": false
            }
        ]
    },
    {
        "description": "Location-independent identifier with absolute URI",
        "schema": {
            "$ref": "http://localhost:1234/bar#foo",
            "$defs": {
                "A": {
                    "$id": "http://localhost:1234/bar",
                    "$anchor": "foo",
                    "type": "integer"
                }
            }
        },
        "tests": [
            {
                "data": 1,
                "description": "match",
                "valid": true
            },
            {
                "data": "a",
                "description": "mismatch",
                "valid": false
            }
        ]
    },
    {
        "description": "Location-independent identifier with base URI change in subschema",
        "schema": {
            "$id": "http://localhost:1234/root",
            "$ref": "http://localhost:1234/nested.json#foo",
            "$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 $anchor buried in the enum",
        "schema": {
            "$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
            }
        ]
    }
]