buf[i + 3] = (byte) (fakeLen & 0xFF);
                    return buf;
                }, IllegalArgumentException.class),

                // Negative NAME_LEN (0xFFFFFFFF) causes StringIndexOutOfBoundsException
                Arguments.of("negative name length triggers SIOOBE", (java.util.function.Supplier<byte[]>) () -> {
                    byte[] tok = new byte[] { 0x04, 0x01 };

        @DisplayName("toString() should handle maximum values correctly")
        void testToStringMaxValues() {
            // Arrange
            rpc.uuid_t rpcUuid = new rpc.uuid_t();
            rpcUuid.time_low = 0xFFFFFFFF;
            rpcUuid.time_mid = (short) 0xFFFF;
            rpcUuid.time_hi_and_version = (short) 0xFFFF;
            rpcUuid.clock_seq_hi_and_reserved = (byte) 0xFF;
            rpcUuid.clock_seq_low = (byte) 0xFF;

	SUB	$0xffffff51, R5     // SUB $4294967121, R5       // aeb0e0e30b5045e0
	SUB.S	$0xffffffaf, R2, R3 // SUB.S $4294967215, R2, R3 // 50b0e0e30b3052e0
	SUB.S	$0xffffff50, R5     // SUB.S $4294967120, R5     // afb0e0e30b5055e0
	SBC	$0xffffffb0, R2, R3 // SBC $4294967216, R2, R3   // 4fb0e0e30b30c2e0
	SBC	$0xffffff4f, R5     // SBC $4294967119, R5       // b0b0e0e30b50c5e0

      this.h1 = seed;
      this.length = 0;
      isDone = false;
    }

    private void update(int nBytes, long update) {
      // 1 <= nBytes <= 4
      buffer |= (update & 0xFFFFFFFFL) << shift;
      shift += nBytes * 8;
      length += nBytes;

      if (shift >= 32) {
        h1 = mixH1(h1, mixK1((int) buffer));
        buffer >>>= 32;
        shift -= 32;
      }
    }

                        : targetName.toUpperCase().getBytes(getOEMEncoding());
                size += targetBytes.length;
            } else {
                flags &= 0xffffffff ^ NTLMSSP_REQUEST_TARGET;
            }
        }

        if (targetInformationBytes != null) {
            size += targetInformationBytes.length;
            flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;

     */
    public static void writeUTime(final Configuration cfg, long t, final byte[] dst, final int dstIndex) {
        if (t == 0L || t == 0xFFFFFFFFFFFFFFFFL) {
            SMBUtil.writeInt4(0xFFFFFFFF, dst, dstIndex);
            return;
        }

        if (cfg.getLocalTimezone().inDaylightTime(new Date())) {
            // in DST
            if (cfg.getLocalTimezone().inDaylightTime(new Date(t))) {

                            : targetName.toUpperCase().getBytes(getOEMEncoding());
                } else {
                    flags &= 0xffffffff ^ NTLMSSP_REQUEST_TARGET;
                }
            }
            if (targetInformation != null) {
                flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;

        // Prepare test data with maximum values
        byte[] buffer = new byte[50];
        int bufferIndex = 0;

        // Set maximum values
        int testCapabilities = 0xFFFFFFFF;
        byte[] testGuid = new byte[16];
        Arrays.fill(testGuid, (byte) 0xFF);
        int testSecurityMode = 0xFFFF;
        int testDialect = 0xFFFF;

        // Write to buffer

        // Assert
        assertNotNull(transPeekNamedPipe);
        assertEquals(TEST_PIPE_NAME, transPeekNamedPipe.name);
        assertEquals(0xFFFFFFFF, transPeekNamedPipe.timeout);
        assertEquals(6, transPeekNamedPipe.maxParameterCount);
        assertEquals(1, transPeekNamedPipe.maxDataCount);
        assertEquals((byte) 0x00, transPeekNamedPipe.maxSetupCount);

        buffer[bufferIndex + 2] = (byte) 0xFF;

        // Set fields with negative values (should be treated as unsigned)
        SMBUtil.writeInt4(-1, buffer, bufferIndex + 3); // Should be read as 0xFFFFFFFF
        SMBUtil.writeInt4(-100, buffer, bufferIndex + 7);
        SMBUtil.writeInt4(-1000, buffer, bufferIndex + 11);
        SMBUtil.writeInt4(0, buffer, bufferIndex + 15);