[
    {
        "description": "contains keyword validation",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "contains": {"minimum": 5}
        },
        "tests": [
            {
                "description": "array with item matching schema (5) is valid",
                "data": [3, 4, 5],
                "valid": true
            },
            {
                "description": "array with item matching schema (6) is valid",
                "data": [3, 4, 6],
                "valid": true
            },
            {
                "description": "array with two items matching schema (5, 6) is valid",
                "data": [3, 4, 5, 6],
                "valid": true
            },
            {
                "description": "array without items matching schema is invalid",
                "data": [2, 3, 4],
                "valid": false
            },
            {
                "description": "empty array is invalid",
                "data": [],
                "valid": false
            },
            {
                "description": "not array is valid",
                "data": {},
                "valid": true
            }
        ]
    },
    {
        "description": "contains keyword with const keyword",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "contains": { "const": 5 }
        },
        "tests": [
            {
                "description": "array with item 5 is valid",
                "data": [3, 4, 5],
                "valid": true
            },
            {
                "description": "array with two items 5 is valid",
                "data": [3, 4, 5, 5],
                "valid": true
            },
            {
                "description": "array without item 5 is invalid",
                "data": [1, 2, 3, 4],
                "valid": false
            }
        ]
    },
    {
        "description": "contains keyword with boolean schema true",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "contains": true
        },
        "tests": [
            {
                "description": "any non-empty array is valid",
                "data": ["foo"],
                "valid": true
            },
            {
                "description": "empty array is invalid",
                "data": [],
                "valid": false
            }
        ]
    },
    {
        "description": "contains keyword with boolean schema false",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "contains": false
        },
        "tests": [
            {
                "description": "any non-empty array is invalid",
                "data": ["foo"],
                "valid": false
            },
            {
                "description": "empty array is invalid",
                "data": [],
                "valid": false
            },
            {
                "description": "non-arrays are valid",
                "data": "contains does not apply to strings",
                "valid": true
            }
        ]
    },
    {
        "description": "items + contains",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "items": { "multipleOf": 2 },
            "contains": { "multipleOf": 3 }
        },
        "tests": [
            {
                "description": "matches items, does not match contains",
                "data": [ 2, 4, 8 ],
                "valid": false
            },
            {
                "description": "does not match items, matches contains",
                "data": [ 3, 6, 9 ],
                "valid": false
            },
            {
                "description": "matches both items and contains",
                "data": [ 6, 12 ],
                "valid": true
            },
            {
                "description": "matches neither items nor contains",
                "data": [ 1, 5 ],
                "valid": false
            }
        ]
    },
    {
        "description": "contains with false if subschema",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "contains": {
                "if": false,
                "else": true
            }
        },
        "tests": [
            {
                "description": "any non-empty array is valid",
                "data": ["foo"],
                "valid": true
            },
            {
                "description": "empty array is invalid",
                "data": [],
                "valid": false
            }
        ]
    },
    {
        "description": "contains with null instance elements",
        "schema": {
            "$schema": "https://json-schema.org/draft/2020-12/schema",
            "contains": {
                "type": "null"
            }
        },
        "tests": [
            {
                "description": "allows null items",
                "data": [ null ],
                "valid": true
            }
        ]
    }
]