public function testParseInvalid404()
 {
     $response = new ResponseCore(array(), "", 404);
     $result = new ExistResult($response);
     $this->assertTrue($result->isOK());
     $this->assertEquals($result->getData(), false);
 }
 /**
  * 检测Object是否存在
  * 通过获取Object的Meta信息来判断Object是否存在, 用户需要自行解析ResponseCore判断object是否存在
  *
  * @param string $bucket bucket名称
  * @param string $object object名称
  * @param array $options
  * @return bool
  */
 public function doesObjectExist($bucket, $object, $options = NULL)
 {
     $this->precheckCommon($bucket, $object, $options);
     $options[self::OSS_BUCKET] = $bucket;
     $options[self::OSS_METHOD] = self::OSS_HTTP_HEAD;
     $options[self::OSS_OBJECT] = $object;
     $response = $this->auth($options);
     $result = new ExistResult($response);
     return $result->getData();
 }