assertThrows(IllegalArgumentException.class, () -> InputValidator.validatePort(-1));
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validatePort(65536));
    }

    @Test
    @DisplayName("Test timeout validation")
    void testTimeoutValidation() {
        assertDoesNotThrow(() -> InputValidator.validateTimeout(1000L, "test"));

        assertEquals(result1, result2);
    }

    @Test
    @DisplayName("Test large buffer handling")
    void testLargeBufferHandling() {
        // Arrange
        byte[] largeBuffer = new byte[65536]; // 64KB buffer

        // Act & Assert
        assertEquals(0, response.writeSetupWireFormat(largeBuffer, 0));
        assertEquals(0, response.writeParametersWireFormat(largeBuffer, 32768));

    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle large buffer decoding")
        void testLargeBufferDecode() throws SMBProtocolDecodingException {
            byte[] largeBuffer = new byte[65536];
            Arrays.fill(largeBuffer, (byte) 0xFF);

            TestCreateContextResponse response = new TestCreateContextResponse("LARGE_BUFFER_TEST".getBytes(StandardCharsets.UTF_8));

        }

        @Test
        @DisplayName("Should handle large arrays efficiently")
        void testWriteBytesWireFormatWithLargeArray() {
            // Given
            byte[] dst = new byte[65536]; // 64KB array

            // When
            int result = response.writeBytesWireFormat(dst, 32768);

            // Then
            assertEquals(0, result);
        }
    }

    @Nested

    public static final int MAX_USERNAME_LENGTH = 256;
    public static final int MAX_DOMAIN_LENGTH = 255;
    public static final int MAX_SHARE_NAME_LENGTH = 80;
    public static final int MAX_BUFFER_SIZE = 65536; // 64KB default max buffer
    public static final int MAX_SMB2_BUFFER_SIZE = 8388608; // 8MB for SMB2/3
    public static final int MAX_CREDITS = 65535;

    // Patterns for validation

            assertEquals(16, result3);
        }

        @Test
        @DisplayName("Should handle maximum name length")
        void testMaximumNameLength() {
            byte[] maxName = new byte[65536]; // 64KB
            Arrays.fill(maxName, (byte) 'M');
            TestCreateContextRequest request = new TestCreateContextRequest(maxName);

            assertArrayEquals(maxName, request.getName());

            byte[] salt = new byte[64];
            SecureRandom random = new SecureRandom();

            for (int i = 0; i < hashAlgos.length; i++) {
                hashAlgos[i] = random.nextInt(65536);
            }
            random.nextBytes(salt);

            PreauthIntegrityNegotiateContext original = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            // Encode

        assertNotNull(testConfig.getRandom());
        assertNotNull(testConfig.getLocalTimezone());

        // Check PID is set
        assertTrue(testConfig.getPid() >= 0);
        assertTrue(testConfig.getPid() < 65536);

        // Check machine ID
        assertNotNull(testConfig.getMachineId());
        assertEquals(32, testConfig.getMachineId().length);

        // Check native OS

    }

    private static Stream<Arguments> provideInt4TestValues() {
        return Stream.of(Arguments.of(0), Arguments.of(1), Arguments.of(255), Arguments.of(256), Arguments.of(65535), Arguments.of(65536),
                Arguments.of(0x7FFFFFFF), Arguments.of(0xFFFFFFFF));
    }

    @Test
    @DisplayName("readInt2 should correctly read 16-bit integer")
    void testReadInt2() {

      assertThat(ioe.message).isEqualTo("google.com")
      val cause = ioe.cause!!
      assertThat(cause).isInstanceOf<IOException>()
      assertThat(cause).hasMessage("response size exceeds limit (65536 bytes): 65537 bytes")
    }
  }

  @Test
  fun failOnBadResponse() {
    server.enqueue(dnsResponse("00"))
    try {
      dns.lookup("google.com")
      fail<Any>()