public function testDeleteCname()
{
$this->client->addBucketCname($this->bucketName, 'www.baidu.com');
$this->client->addBucketCname($this->bucketName, 'www.qq.com');
$ret = $this->client->getBucketCname($this->bucketName);
$this->assertEquals(2, count($ret->getCnames()));
// delete one cname
$this->client->deleteBucketCname($this->bucketName, 'www.baidu.com');
$ret = $this->client->getBucketCname($this->bucketName);
$this->assertEquals(1, count($ret->getCnames()));
$cnames = $ret->getCnames();
$this->assertEquals('www.qq.com', $cnames[0]['Domain']);
}