Options:
* "input": The type of the normalized format ("time" or "timestamp"). Default: "datetime"
* "output": The type of the transformed format ("string" or "array"). Default: "string"
* "format": The format of the time string ("short", "medium", "long" or "full"). Default: "short"
* "locale": The locale of the localized string. Default: Result of Locale::getDefault()
public function testReverseTransformWrapsIntlErrors() { $transformer = new DateTimeToLocalizedStringTransformer(); $this->setExpectedException('Symfony\\Component\\Form\\ValueTransformer\\TransformationFailedException'); $transformer->reverseTransform('12345', null); }