public function testRegisterAdditionalDescriptionDeserializer()
{
$descriptionDeserializer = $this->getMockBuilder('\\SMW\\Deserializers\\DVDescriptionDeserializer\\DescriptionDeserializer')->disableOriginalConstructor()->getMockForAbstractClass();
$descriptionDeserializer->expects($this->once())->method('isDeserializerFor')->will($this->returnValue(true));
$dataValue = $this->getMockBuilder('\\SMWDataValue')->disableOriginalConstructor()->getMockForAbstractClass();
$instance = new DVDescriptionDeserializerFactory();
$instance->registerDescriptionDeserializer($descriptionDeserializer);
$this->assertInstanceOf('\\SMW\\Deserializers\\DVDescriptionDeserializer\\DescriptionDeserializer', $instance->getDescriptionDeserializerFor($dataValue));
}
