// returns file mode creation mask.
func getUmask() int {
	mask := syscall.Umask(0)
	syscall.Umask(mask)
	return mask
}

// Tests if the directory and file creations happen with proper umask.
func TestIsValidUmaskVol(t *testing.T) {
	tmpPath := t.TempDir()
	testCases := []struct {
		volName       string
		expectedUmask int
	}{
		{"is-this-valid", getUmask()},
	}
	testCase := testCases[0]

		`Use 'sudo setcap cap_net_bind_service=+ep /path/to/minio' to provide sufficient permissions`,
	)

	ErrTLSReadError = newErrFn(
		"Cannot read the TLS certificate",
		"Please check if the certificate has the proper owner and read permissions",
		"",
	)

	ErrTLSUnexpectedData = newErrFn(
		"Invalid TLS certificate",
		"Please check your certificate",
		"",
	)

	ErrTLSNoPassword = newErrFn(

		}
	}
}

// Test xlStorage.VerifyFile()
func TestXLStorageVerifyFile(t *testing.T) {
	// We test 4 cases:
	// 1) Whole-file bitrot check on proper file
	// 2) Whole-file bitrot check on corrupted file
	// 3) Streaming bitrot check on proper file
	// 4) Streaming bitrot check on corrupted file

	// create xlStorage test setup
	storage, path, err := newXLStorageTestSetup(t)
	if err != nil {

		},
		// Test case - 10.
		// Case with proper components
		{
			bucketName: bucketName,
			objectName: "etc/path/proper/.../etc",
			byteRange:  "",
			accessKey:  credentials.AccessKey,
			secretKey:  credentials.SecretKey,

			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
				getAPIError(ErrNoSuchKey),
				getGetObjectURL("", bucketName, "etc/path/proper/.../etc"),
				"", "")),

			}
		}
	}

	return -1, -1, fmt.Errorf("DriveID: %s not found", format.Erasure.This)
}

// connectDisks - attempt to connect all the endpoints, loads format
// and re-arranges the disks in proper position.
func (s *erasureSets) connectDisks() {
	defer func() {
		s.lastConnectDisksOpTime = time.Now()
	}()

	var wg sync.WaitGroup
	diskMap := s.getDiskMap()

		// expected Response.
		expectedRespStatus int
		locationResponse   []byte
		errorResponse      APIErrorResponse
		shouldPass         bool
	}{
		// Test case - 1.
		// Tests for authenticated request and proper response.
		{
			bucketName:         bucketName,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedRespStatus: http.StatusOK,

			// version of the object.
			return x.setIdx(i, ventry)
		case ObjectType:
			return x.setIdx(i, ventry)
		case DeleteType:
			// Allowing delete marker to replaced with proper
			// object data type as well, this is not S3 complaint
			// behavior but kept here for future flexibility.
			return x.setIdx(i, ventry)
		}
	}

	// We did not find it, add it.

	}

	switch windows.GetDriveType(&wvolume[0]) {
	case windows.DRIVE_FIXED, windows.DRIVE_REMOVABLE, windows.DRIVE_REMOTE, windows.DRIVE_RAMDISK:
		// Recognize "fixed", "removable", "remote" and "ramdisk" drives as proper drives
		// which can be treated as an actual mount-point, rest can be ignored.
		// https://docs.microsoft.com/en-us/windows/desktop/api/fileapi/nf-fileapi-getdrivetypew
		mountPointCache.Store(path, true)
		return true
	}

	if err != nil && err != errFileNotFound {
		return err
	}
	defer metaDataPoolPut(buf)

	var xlMeta xlMetaV2
	if !isXL2V1Format(buf) {
		// This is both legacy and without proper version.
		if err = xlMeta.AddVersion(fi); err != nil {
			return err
		}

		buf, err = xlMeta.AppendTo(metaDataPoolGet())
		defer metaDataPoolPut(buf)
		if err != nil {
			return err
		}

	if !filepath.IsAbs(path) {
		return fmt.Errorf("Invalid argument, path (%s) is expected to be absolute", path)
	}
	var crossMounts mountInfos
	for _, mount := range mts {
		// Add a separator to indicate that this is a proper mount-point.
		// This is to avoid a situation where prefix is '/tmp/fsmount'
		// and mount path is /tmp/fs. In such a scenario we need to check for
		// `/tmp/fs/` to be a common prefix amount other mounts.