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{
"id": "3.2.1-targTextDirectionValidated.json",
"assertionType": "must",
"expectedResult": "valid",
"onUnexpectedResult" : "failAndContinue",
"errorMessage": "ERROR: A target or target/source has multiple textDirection key values for a target or source, or a single textDirection key with a value that is not one of ltr, rtl, auto.",
"title": "If present as a target or target/source property, the **_textDirection_ key** has a **single value** which is **one of 'ltr', 'rtl', 'auto'** - [model 3.2.1](https://www.w3.org/TR/annotation-model/#external-web-resources)",
"description": "True when no target-level or target/source-level (SR target) textDirection key present or when all textDirection keys have a single value that is one of ltr, rtl, auto (Section 3.2.1)",
"type": "object",
"properties":
{
"target":
{
"oneOf":
[
{ "$ref": "id.json#/definitions/arraySingleStringUri" },
{ "allOf":
[
{ "$ref": "bodyTarget.json#/definitions/textDirectionValidIfPresent" },
{ "$ref": "specificResource.json#/definitions/sourceWithTextDirection" }
]
},
{
"type": "array",
"minItems": 1,
"items":
{
"oneOf":
[
{ "$ref": "id.json#/definitions/arraySingleStringUri" },
{ "allOf":
[
{ "$ref": "bodyTarget.json#/definitions/textDirectionValidIfPresent" },
{ "$ref": "specificResource.json#/definitions/sourceWithTextDirection" }
]
}
]
}
}
]
}
}
}