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>()
    } catch (ioe: IOException) {

    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
    private static final Pattern VALID_USERNAME = Pattern.compile("^[a-zA-Z0-9._\\-@]+$");

    @Test
    @DisplayName("Test edge case with maximum buffer index")
    void testReadBytesWireFormatMaxBufferIndex() throws SMBProtocolDecodingException {
        byte[] buffer = new byte[65536]; // Large buffer
        int bufferIndex = 65534; // Near the end

        // Set structure size to 2
        SMBUtil.writeInt2(2, buffer, bufferIndex);

        int result = response.readBytesWireFormat(buffer, bufferIndex);

	AND	R1, R2, R3            // b9e42031
	AND	$-2, R1               // a517fffe
	AND	$-65536, R1           // c01bffff0000
	AND	$1, R1                // c0a100000001b980001a
	ANDW	R1, R2                // 1421
	ANDW	R1, R2, R3            // b9f42031
	ANDW	$1, R1                // c01b00000001
	ANDW	$131071, R1           // a5160001
	ANDW	$65536, R1            // c01b00010000
	ANDW	$-2, R1               // a517fffe

        // Arrange
        byte[] largeBuffer = new byte[65536]; // 64KB buffer

        // Act & Assert
        assertEquals(0, response.writeSetupWireFormat(largeBuffer, 0));
        assertEquals(0, response.writeParametersWireFormat(largeBuffer, 32768));
        assertEquals(0, response.writeDataWireFormat(largeBuffer, 65535));
        assertEquals(0, response.readSetupWireFormat(largeBuffer, 0, 65536));

        // Arrange
        byte[] largeBuffer = new byte[65536]; // 64KB buffer

        // Act & Assert
        assertEquals(0, response.writeSetupWireFormat(largeBuffer, 0));
        assertEquals(0, response.writeParametersWireFormat(largeBuffer, 32768));
        assertEquals(0, response.writeDataWireFormat(largeBuffer, 65535));
        assertEquals(0, response.readSetupWireFormat(largeBuffer, 0, 65536));

        assertDoesNotThrow(() -> InputValidator.validatePort(65535));

        assertThrows(IllegalArgumentException.class, () -> InputValidator.validatePort(0));
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validatePort(-1));
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validatePort(65536));
    }

    @Test
    @DisplayName("Test timeout validation")

        }

        @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

    }

    @Test
    void testWriteSingleByte() throws IOException, CIFSException {
        // Given
        when(mockTreeHandle.isSMB2()).thenReturn(true);
        when(mockTreeHandle.getSendBufferSize()).thenReturn(65536);
        when(mockFileHandle.isValid()).thenReturn(false, true); // First false to trigger ensureOpen, then true
        when(mockFileHandle.getFileId()).thenReturn(new byte[16]);

	MOVB	y+4097(FP), R4			// 3e000014de8f1000c4270028
	MOVBU	y+4097(FP), R4			// 3e000014de8f1000c427002a
	MOVW	65536(R5), R4			// 1e020014de971000c4038028
	MOVWU	65536(R5), R4			// 1e020014de971000c403802a
	MOVV	65536(R5), R4			// 1e020014de971000c403c028
	MOVB	65536(R5), R4			// 1e020014de971000c4030028
	MOVBU	65536(R5), R4			// 1e020014de971000c403002a
	MOVW	4096(R5), R4			// 3e000014de971000c4038028