"shutdownWhenStartupFinishes can only be set if state is STARTING. Got %s instead.",
          internalState);
      checkArgument(
          (failure != null) == (internalState == FAILED),
          "A failure cause should be set if and only if the state is failed.  Got %s and %s "
              + "instead.",
          internalState,
          failure);

        }
        if (array.length != expectedLength) {
            throw new IllegalArgumentException(fieldName + " must be " + expectedLength + " bytes, got " + array.length);
        }
    }

    /**
     * Validates a port number
     *
     * @param port the port number to validate
     * @throws IllegalArgumentException if port is invalid
     */

			if tt.expectedError != nil && err == nil {
				t.Errorf("Expected %s, got %s", tt.expectedError, err)
			}
			if tt.expectedError == nil && err != nil {
				t.Errorf("Expected %s, got %s", tt.expectedError, err)
			}
			if tt.expectedReadQuorum != actualReadQuorum {
				t.Errorf("Expected Read Quorum %d, got %d", tt.expectedReadQuorum, actualReadQuorum)
			}

	gotSource := currentSource()
	// Hard coded line number, 34, in the "expectedSource" value
	expectedSource := "[namespace-lock_test.go:34:TestGetSource()]"
	if gotSource != expectedSource {
		t.Errorf("expected : %s, got : %s", expectedSource, gotSource)
	}
}

// Test lock race
func TestNSLockRace(t *testing.T) {
	t.Skip("long test skip it")

	ctx := t.Context()

	for i := range 10000 {
		nsLk := newNSLock(false)

	if len(buf) <= 8 {
		return payload, 0, 0, fmt.Errorf("xlMeta: no data")
	}

	if !bytes.Equal(buf[:4], xlHeader[:]) {
		return payload, 0, 0, fmt.Errorf("xlMeta: unknown XLv2 header, expected %v, got %v", xlHeader[:4], buf[:4])
	}

	if bytes.Equal(buf[4:8], []byte("1   ")) {
		// Set as 1,0.
		major, minor = 1, 0
	} else {

		return nil, nil, err
	}
	if crc, nbuf, err := msgp.ReadUint32Bytes(buf); err == nil {
		// Read metadata CRC
		buf = nbuf
		if got := uint32(xxhash.Sum64(meta)); got != crc {
			return nil, nil, fmt.Errorf("xlMetaV2.Load version(%d), CRC mismatch, want 0x%x, got 0x%x", minor, crc, got)
		}
	} else {
		return nil, nil, err
	}
	data = buf
	if data.validate() != nil {
		data.repair()
	}

	}

	// Get umask of the bits stored.
	currentUmask := 0o777 - uint32(st.Mode().Perm())

	// Verify if umask is correct.
	if int(currentUmask) != testCase.expectedUmask {
		t.Fatalf("Umask check failed expected %d, got %d", testCase.expectedUmask, currentUmask)
	}
}

// Tests if the file creations happen with proper umask.
func TestIsValidUmaskFile(t *testing.T) {
	tmpPath := t.TempDir()
	testCases := []struct {

			if w == nil {
				disks[i] = OfflineDisk
			}
		}
		if err == nil {
			if length := int64(len(data[test.offset:])); n != length {
				t.Errorf("Test %d: invalid number of bytes written: got: #%d want #%d", i, n, length)
			}
			writers := make([]io.Writer, len(disks))
			for i, disk := range disks {
				if disk == nil {
					continue
				}

   * </ul>
   *
   * <p>Though this method takes any {@link Collection}, it often makes most sense to pass a {@link
   * java.util.List} or some other collection that preserves the order in which the exceptions got
   * added.
   *
   * @throws NullPointerException if {@code exceptions} is null
   * @throws IllegalArgumentException if {@code exceptions} is empty
   */

                thread.join();
            } catch (InterruptedException e) {
                fail("Thread interrupted: " + e.getMessage());
            }
        }

        // Verify all threads got the same instances
        for (int i = 0; i < threadCount; i++) {
            assertSame(invertibleCryptographer, invertibles[i]);
            assertSame(oneWayCryptographer, oneWays[i]);
        }
    }