int length = testBlock.decode(buffer, 0);

        assertTrue(length > 0);
        assertEquals((byte) 0x42, andxBlock.getCommand());
    }

    @Test
    @DisplayName("Test decode with zero wordCount")
    void testDecodeWithZeroWordCount() throws SMBProtocolDecodingException {
        testBlock = new TestAndXServerMessageBlock(mockConfig, (byte) 0x25) {
            @Override

            // Then
            assertEquals(null, result);
        }

        @Test
        @DisplayName("Should handle zero port")
        void testZeroPort() {
            // Given
            when(transportPool.getSmbTransport(context, address, 0, false)).thenReturn(transport);

            // When

     * CRC(A000A000A000...), CRC(0B000B000B...), CRC(00C000C000C...), CRC(000D000D000D...)
     * and then to XOR them together.  The strideTable enables us to hash an int followed by 12
     * zero bytes (3 ints), while the byteTable is for advancing one byte at a time.
     * This algorithm is due to the paper "Everything we know about CRC but [are] afraid to forget"
     * by Kadatch and Jenkins, 2010.
     */

  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, Duration duration) {
    checkNotNull(delegate);
    // The alternative of `duration.compareTo(Duration.ZERO) > 0` causes J2ObjC trouble.
    checkArgument(
        !duration.isNegative() && !duration.isZero(), "duration (%s) must be > 0", duration);
    return new ExpiringMemoizingSupplier<>(delegate, toNanosSaturated(duration));

    checkNotNull(file1);
    checkNotNull(file2);
    if (file1 == file2 || file1.equals(file2)) {
      return true;
    }

    /*
     * Some operating systems may return zero as the length for files denoting system-dependent
     * entities such as devices or pipes, in which case we must fall back on comparing the bytes
     * directly.
     */
    long len1 = file1.length();

        assertEquals(1L, crawlerContext.getAccessCount());

        assertEquals(0L, crawlerContext.decrementAndGetAccessCount());
        assertEquals(0L, crawlerContext.getAccessCount());

        // Test decrement below zero
        assertEquals(-1L, crawlerContext.decrementAndGetAccessCount());
        assertEquals(-1L, crawlerContext.getAccessCount());
    }

    /**
     * Test concurrent access count operations
     */

	case authTypeStreamingUnsignedTrailer:
		cred, owner, s3Err = getReqAccessKeyV4(r, region, serviceS3)
		if s3Err == ErrMissingFields {
			// Could be anonymous. cred + owner is zero value.
			s3Err = ErrNone
		}
	}
	if s3Err != ErrNone {
		return s3Err
	}

	logger.GetReqInfo(ctx).Cred = cred
	logger.GetReqInfo(ctx).Owner = owner
	logger.GetReqInfo(ctx).Region = region

   * @param b the second unsigned {@code int} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  @SuppressWarnings("InlineMeInliner") // Integer.compare unavailable under GWT+J2CL
  public static int compare(int a, int b) {
    return Ints.compare(flip(a), flip(b));
  }

  /**

    tester.testAllPublicInstanceMethods(BloomFilter.create(Funnels.unencodedCharsFunnel(), 100));
    tester.testAllPublicStaticMethods(BloomFilter.class);
  }

  /** Tests that we never get an optimal hashes number of zero. */
  public void testOptimalHashes() {
    for (int n = 1; n < 1000; n++) {
      for (double p = 0.1; p > 1e-10; p /= 10) {
        assertThat(BloomFilter.optimalNumOfHashFunctions(p)).isGreaterThan(0);
      }

            assertEquals(48, bytesWritten);
            assertEquals(1, SMBUtil.readInt2(buffer, 2));
        }

        @Test
        @DisplayName("Should handle locks with zero values")
        void testLocksWithZeroValues() {
            Smb2Lock[] locks = new Smb2Lock[] { new Smb2Lock(0L, 0L, 0) };

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, locks);