len += 2;
                    if (len > maxLen) {
                        if (LogStream.level > 0) {
                            Hexdump.hexdump(System.err, src, srcIndex, maxLen < 128 ? maxLen + 8 : 128);
                        }
                        throw new RuntimeException("zero termination not found");
                    }
                }

        }

        @Test
        @DisplayName("Should accept valid parameters in sign method")
        void testSignValidParameters() {
            byte[] data = new byte[128];
            // Should not throw
            digest.sign(data, 0, 128, request, response);

            // Verify signature was added
            byte[] signature = Arrays.copyOfRange(data, SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);

        void testPowerOfTwoValues() {
            long powerOfTwoOffset = 1L << 32; // 2^32
            long powerOfTwoLength = 1L << 16; // 2^16
            int powerOfTwoFlags = 1 << 8; // 2^8

            lock = new Smb2Lock(powerOfTwoOffset, powerOfTwoLength, powerOfTwoFlags);
            lock.encode(buffer, 0);

            assertEquals(powerOfTwoOffset, SMBUtil.readInt8(buffer, 0));

        Method readStringMethod = getReadStringMethod();
        String result = (String) readStringMethod.invoke(response, buffer, 0, 128, false);

        assertEquals(testString, result);
    }

    @ParameterizedTest
    @DisplayName("Test readDataWireFormat with various share types")

      assertThat(expected)
          .hasMessageThat()
          .isEqualTo("Unpaired surrogate at index " + invalidCodePointIndex);
    }
  }

  // 128 - [chars 0x0000 to 0x007f]
  private static final long ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS = 0x007f - 0x0000 + 1;

  // 128
  private static final long EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT =
      ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS;

  // 1920 [chars 0x0080 to 0x07FF]

        Method readStringMethod = getReadStringMethod();
        String result = (String) readStringMethod.invoke(response, buffer, 0, 128, false);

        assertEquals(testString, result);
    }

    @Test
    @DisplayName("Test readDataWireFormat with maximum length server name")
    void testReadDataWireFormatMaxLengthServerName() throws Exception {
        setConverter(response, 0);

  @SuppressWarnings("InlineMeInliner") // We need to test our method.
  public void testToInt() {
    assertThat(UnsignedBytes.toInt((byte) 0)).isEqualTo(0);
    assertThat(UnsignedBytes.toInt((byte) 1)).isEqualTo(1);
    assertThat(UnsignedBytes.toInt((byte) 127)).isEqualTo(127);
    assertThat(UnsignedBytes.toInt((byte) -128)).isEqualTo(128);

            assertEquals(0, new NdrShort(256).value); // 256 & 0xFF = 0
            assertEquals(255, new NdrShort(-1).value); // -1 & 0xFF = 255
            assertEquals(128, new NdrShort(-128).value); // -128 & 0xFF = 128
        }

        @Test
        @DisplayName("Should maintain value consistency after multiple constructions")
        void testValueConsistency() {
            // Given: Same input value

    @Test
    @DisplayName("writeAndXWireFormat without andx writes 0xFF and sentinel offset")
    void testWriteAndXWireFormatWithoutAndx() {
        DummyAndXBlock block = new DummyAndXBlock();
        byte[] buf = new byte[128];
        int n = block.writeAndXWireFormat(buf, 0);

        assertTrue(n > 0);
        // Common AndX header: command at +1, reserved at +2, offset at +3/+4

    int bits = checkPositiveAndMakeMultipleOf32(minimumBits);

    if (bits == 32) {
      return Murmur3_32HashFunction.GOOD_FAST_HASH_32;
    }
    if (bits <= 128) {
      return Murmur3_128HashFunction.GOOD_FAST_HASH_128;
    }

    // Otherwise, join together some 128-bit murmur3s
    int hashFunctionsNeeded = (bits + 127) / 128;
    HashFunction[] hashFunctions = new HashFunction[hashFunctionsNeeded];