/**
  * @depends testCreateBucket
  */
 public function testObjectMetadata()
 {
     $object_name = "test-object-metadata.txt";
     $content = "hello object!!";
     $metadata = new FDSObjectMetadata();
     $metadata->addUserMetadata("x-xiaomi-meta-" . "test", "test-metadata");
     $metadata->setCacheControl("max-age=86400");
     $metadata->setContentEncoding("abaaaaa");
     $metadata->setContentMD5("aaaaaaaaccccccc");
     self::$fds_client->putObject(self::$bucket_name, $object_name, $content, $metadata);
     $object = self::$fds_client->getObject(self::$bucket_name, $object_name);
     $this->assertNotNull($object);
     $object_metadata = $object->getObjectMetadata();
     $this->assertNotNull($object_metadata);
     $raw_metadata = $metadata->getRawMetadata();
     $raw_object_metadata = $object_metadata->getRawMetadata();
     foreach ($raw_metadata as $key => $value) {
         $this->assertTrue(array_key_exists($key, $raw_object_metadata));
         $this->assertEquals($value, $raw_object_metadata[$key]);
     }
     $this->assertEquals(md5($content), $object_metadata->getContentMD5());
 }