}
		if result.Objects[1].Name != "newPrefix2" {
			t.Errorf("%s: Expected the object name to be `%s`, but instead found `%s`", instanceType, "newPrefix", result.Objects[1].Name)
		}
		if result.Objects[2].Name != "obj0" {

			t.Errorf("Test %d: %s: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, instanceType, testCase.err.Error())
		}
		// Failed as expected, but does it fail for the expected reason.
		if err != nil && !testCase.shouldPass {
			if testCase.err.Error() != err.Error() {
				t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead", i+1, instanceType, testCase.err.Error(), err.Error())
			}
		}

			req.RequestURI = req.URL.RequestURI()
			// Check if it matches!
			errCode := doesPresignV2SignatureMatch(req)
			if errCode != testCase.expected {
				t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(errCode))
			}
		} else {
			err = preSignV2(req, accessKey, secretKey, now.Unix()+60)
			if err != nil {

func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)
		if err != nil {
			return false
		}
		return len(entries) == 0
	}
	var stat syscall.Stat_t
	if err := syscall.Stat(dirname, &stat); err != nil {
		return false
	}

}

// TryLockedOpenFile - tries a new write lock, functionality
// it is similar to LockedOpenFile with with syscall.LOCK_EX
// mode but along with syscall.LOCK_NB such that the function
// doesn't wait forever but instead returns if it cannot
// acquire a write lock.
func TryLockedOpenFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
	return lockedOpenFile(path, flag, perm, syscall.LOCK_NB)
}

		rs, err := parseRequestRangeSpec(urs)
		if err == nil {
			t.Errorf("Case %d: Did not get an expected error - got %v", i, rs)
		}
		if isErrInvalidRange(err) {
			t.Errorf("Case %d: Got invalid range error instead of a parse error", i)
		}
		if rs != nil {
			t.Errorf("Case %d: Got non-nil rs though err != nil: %v", i, rs)
		}
	}

	invalidRangeSpecs := []string{
		"bytes=5-3",
		"bytes=10-10",
		"bytes=10-",

		return errFaultyDisk
	}
	if isSysErrInvalidArg(err) {
		storageLogIf(context.Background(), err)
		// For some odd calls with O_DIRECT reads
		// filesystems can return EINVAL, handle
		// these as FileNotFound instead.
		return errFileNotFound
	}
	if isSysErrNoSpace(err) {
		return errDiskFull
	}
	return err

	if err != nil {
		return err
	}

	// Verify if the authToken already contains
	// <Key> <Token> like format, if this is
	// already present we can blindly use the
	// authToken as is instead of adding 'Bearer'
	tokens := strings.Fields(target.args.AuthToken)
	switch len(tokens) {
	case 2:
		req.Header.Set("Authorization", target.args.AuthToken)
	case 1:

			_, err := NewReader(context.Background(), testCase.src, testCase.size, testCase.md5hex, testCase.sha256hex, testCase.actualSize)
			if err != nil && testCase.success {
				t.Errorf("Test %q: Expected success, but got error %s instead", testCase.desc, err)
			}
			if err == nil && !testCase.success {
				t.Errorf("Test %q: Expected error, but got success", testCase.desc)
			}
		})
	}

	if confRegion == "" {
		return true
	}
	if confRegion == "US" {
		confRegion = globalMinioDefaultRegion
	}
	// Some older s3 clients set region as "US" instead of
	// globalMinioDefaultRegion, handle it.
	if reqRegion == "US" {
		reqRegion = globalMinioDefaultRegion
	}
	return reqRegion == confRegion
}