[
  {
    "description": "issue798",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "a": { "type": "string" },
        "b": { "type": "string", "readOnly": true },
        "c": { "type": "string", "writeOnly": true },
        "d": { "type": "string", "readOnly": true, "writeOnly": true }
      }
    },
    "tests": [
      {
        "description": "default behavior",
        "data": { "a": "a string" },
        "valid": true,
        "config": { "readOnly": true, "writeOnly": true }
      },
      {
        "description": "readonly behavior",
        "data": { "a": "a string", "b": "a string" },
        "valid": false,
        "config": { "readOnly": true, "writeOnly": true },
        "validationMessages": [ "$.b: is a readonly field, it cannot be changed" ]
      },
      {
        "description": "write-only behavior",
        "data": { "a": "a string", "c": "a string" },
        "valid": false,
        "config": { "readOnly": true, "writeOnly": true },
        "validationMessages": [ "$.c: is a write-only field, it cannot appear in the data" ]
      },
      {
        "description": "both behavior",
        "data": { "a": "a string", "d": "a string" },
        "valid": false,
        "config": { "readOnly": true, "writeOnly": true },
        "validationMessages": [
           "$.d: is a readonly field, it cannot be changed",
           "$.d: is a write-only field, it cannot appear in the data"
         ]
      }
    ]
  }
]