Random r = new Random(1234567);
    for (int length = 0; length < 1000; length++) {
      byte[] bytes = new byte[length];
      r.nextBytes(bytes);
      assertCrc(referenceCrc(bytes), bytes);
    }
  }

  private static int referenceCrc(byte[] bytes) {
    int crc = ~0;
    for (byte b : bytes) {
      crc = (crc >>> 8) ^ Crc32cHashFunction.Crc32cHasher.byteTable[(crc ^ b) & 0xFF];
    }

    }

    @Test
    void readTrailerWireFormatShouldReadSixBytesSuccessfully() throws IOException {
        // Test successful reading of 6 bytes from the input stream.
        // The content of these bytes is not critical for this test, only that 6 bytes are read.
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }; // Sample 6 bytes

        @Test
        @DisplayName("fromUNIBytes should decode UTF-16LE bytes to string")
        void testFromUNIBytes() {
            // Given
            byte[] bytes = TEST_STRING.getBytes(StandardCharsets.UTF_16LE);

            // When
            String result = Strings.fromUNIBytes(bytes, 0, bytes.length);

            // Then

        byte[] negativeBytes = new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }; // Represents -1
        AvFlags negativeAvFlags = new AvFlags(negativeBytes);
        assertNotNull(negativeAvFlags, "AvFlags object should not be null for negative bytes");
        assertEquals(-1, negativeAvFlags.getFlags(), "Flags should be -1 for all FF bytes");
    }

    /**
     * Test constructor with integer flags.
     */
    @Test

  public Hasher putByte(byte b) {
    update(b);
    return this;
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes) {
    checkNotNull(bytes);
    update(bytes);
    return this;
  }

  @Override
  @CanIgnoreReturnValue
  public Hasher putBytes(byte[] bytes, int off, int len) {
    checkPositionIndexes(off, off + len, bytes.length);
    update(bytes, off, len);
    return this;

        assertEquals(DACL_SECURITY_INFORMATION, desc3.securityInformation);

        // Verify writing doesn't affect other instances
        byte[] dst1 = new byte[8];
        byte[] dst2 = new byte[8];
        byte[] dst3 = new byte[8];

        desc1.writeParametersWireFormat(dst1, 0);
        desc2.writeParametersWireFormat(dst2, 0);
        desc3.writeParametersWireFormat(dst3, 0);

	}
	buf := make([]byte, 5)
	rb.Read(buf)
	if rb.Length() != 3 {
		t.Fatalf("expect len 3 bytes but got %d. r.w=%d, r.r=%d", rb.Length(), rb.w, rb.r)
	}
	rb.Write([]byte(strings.Repeat("abcd", 15)))

	if !bytes.Equal(rb.Bytes(nil), []byte("bcd"+strings.Repeat("abcd", 15))) {
		t.Fatalf("expect 63 ... but got %s. r.w=%d, r.r=%d", rb.Bytes(nil), rb.w, rb.r)
	}

     *
     * @return encoded bytes
     */
    public byte[] encode() {
        // NETWORK_INTERFACE_INFO structure per MS-SMB2 2.2.32.5.1
        // Total size: 152 bytes
        byte[] buffer = new byte[Smb2ChannelCapabilities.NETWORK_INTERFACE_INFO_SIZE];
        ByteBuffer bb = ByteBuffer.wrap(buffer).order(ByteOrder.LITTLE_ENDIAN);

        // Next field (4 bytes) - offset to next entry (0 for last entry)

                bytes[byteIndex++] = (byte) (0xC0 | (c >> 6));
                bytes[byteIndex++] = (byte) (0x80 | (c & 0x3F));
            } else {
                bytes[byteIndex++] = (byte) (0xE0 | (c >> 12));
                bytes[byteIndex++] = (byte) (0x80 | ((c >> 6) & 0x3F));
                bytes[byteIndex++] = (byte) (0x80 | (c & 0x3F));
            }
        }

        return Arrays.copyOf(bytes, byteIndex);
    }

		{
			desc:       "Correct sha256, truncated",
			src:        bytes.NewReader([]byte("abcd-morethan-4-bytes")),
			size:       4,
			actualSize: 4,
			sha256hex:  "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589",
			err:        ioutil.ErrOverread,
		},
		{
			desc:       "Correct MD5, nested",
			src:        mustReader(t, bytes.NewReader([]byte("abcd")), 4, "", "", 4),
			size:       4,
			actualSize: 4,