public function testToFieldValueEmpty()
{
$storageFieldValue = new StorageFieldValue();
$storageFieldValue->dataText = '';
$storageFieldValue->sortKeyString = '';
$expectedFieldValue = new FieldValue();
$expectedFieldValue->data = array();
$expectedFieldValue->sortKey = '';
$actualFieldValue = new FieldValue();
$this->converter->toFieldValue($storageFieldValue, $actualFieldValue);
$this->assertEquals($expectedFieldValue, $actualFieldValue);
}