public function testCtor()
{
$handler = $this->getHandler();
$this->assertAttributeSame($this->getGatewayMock(), 'contentTypeGateway', $handler);
$this->assertAttributeSame($this->getMapperMock(), 'mapper', $handler);
$this->assertAttributeSame($this->getUpdateHandlerMock(), 'updateHandler', $handler);
}