public function testGettersAndSetters()
 {
     $uploadId = $this->getMock('Aws\\Glacier\\Model\\MultipartUpload\\UploadId');
     $generator = $this->getMockBuilder('Aws\\Glacier\\Model\\MultipartUpload\\UploadPartGenerator')->disableOriginalConstructor()->getMock();
     $state = new TransferState($uploadId);
     $state->setPartGenerator($generator);
     $this->assertSame($generator, $state->getPartGenerator());
 }