[
  {
    "description": "items with boolean schema (false)",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "items": false
    },
    "tests": [
      {
        "description": "any non-empty array is invalid",
        "data": [
          1,
          "foo",
          true
        ],
        "valid": false
      },
      {
        "description": "empty array is valid",
        "data": [],
        "valid": true
      }
    ]
  },
  {
    "description": "items and subitems",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "$defs": {
        "item": {
          "type": "array",
          "items": false,
          "prefixItems": [
            {
              "$ref": "#/$defs/sub-item"
            },
            {
              "$ref": "#/$defs/sub-item"
            }
          ]
        },
        "sub-item": {
          "type": "object",
          "required": [
            "foo"
          ]
        }
      },
      "type": "array",
      "items": false,
      "prefixItems": [
        {
          "$ref": "#/$defs/item"
        },
        {
          "$ref": "#/$defs/item"
        },
        {
          "$ref": "#/$defs/item"
        }
      ]
    },
    "tests": [
      {
        "description": "valid items",
        "data": [
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ]
        ],
        "valid": true
      },
      {
        "description": "too many items",
        "data": [
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ]
        ],
        "valid": false
      },
      {
        "description": "too many sub-items",
        "data": [
          [
            {
              "foo": null
            },
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ]
        ],
        "valid": false
      },
      {
        "description": "wrong item",
        "data": [
          {
            "foo": null
          },
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ]
        ],
        "valid": false
      },
      {
        "description": "wrong sub-item",
        "data": [
          [
            {},
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            },
            {
              "foo": null
            }
          ]
        ],
        "valid": false
      },
      {
        "description": "fewer items is valid",
        "data": [
          [
            {
              "foo": null
            }
          ],
          [
            {
              "foo": null
            }
          ]
        ],
        "valid": true
      }
    ]
  },
  {
    "description": "items does not look in applicators, valid case",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "allOf": [
        {
          "prefixItems": [
            {
              "minimum": 3
            }
          ]
        }
      ],
      "items": {
        "minimum": 5
      }
    },
    "tests": [
      {
        "description": "prefixItems in allOf does not constrain items, invalid case",
        "data": [
          3,
          5
        ],
        "valid": false
      },
      {
        "description": "prefixItems in allOf does not constrain items, valid case",
        "data": [
          5,
          5
        ],
        "valid": true
      }
    ]
  },
  {
    "description": "items with heterogeneous array",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "prefixItems": [
        {}
      ],
      "items": false
    },
    "tests": [
      {
        "description": "heterogeneous invalid instance",
        "data": [
          "foo",
          "bar",
          37
        ],
        "valid": false
      },
      {
        "description": "valid instance",
        "data": [
          null
        ],
        "valid": true
      }
    ]
  },
  {
    "description": "items with null instance elements",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "items": {
        "type": "null"
      }
    },
    "tests": [
      {
        "description": "allows null elements",
        "data": [
          null
        ],
        "valid": true
      }
    ]
  }
]