void testGetAvailableInitialValue() {
        // Assert
        assertEquals(0, response.getAvailable());
    }

    @Test
    @DisplayName("writeSetupWireFormat should return 0")
    void testWriteSetupWireFormat() {
        // Arrange
        byte[] dst = new byte[100];
        int dstIndex = 0;

        // Act
        int result = response.writeSetupWireFormat(dst, dstIndex);

        // Assert

        assertEquals((byte) 0x01, buf[5]);
    }

    /**
     * Ensures writeSetupWireFormat writes subcommand and trailing zero, returning 2.
     */
    @Test
    void testWriteSetupWireFormat() {
        // Given
        Trans2FindNext2 next = new Trans2FindNext2(0x1111, 0, "*");
        byte[] dst = new byte[2];

        // When
        int written = next.writeSetupWireFormat(dst, 0);

        assertThrows(IllegalArgumentException.class, () -> {
            trans2.writeParametersWireFormat(buffer, 0);
        });
    }

    @Test
    @DisplayName("Test writeSetupWireFormat")
    void testWriteSetupWireFormat() {
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[256];

        assertEquals(SmbComTransaction.TRANS2_SET_FILE_INFORMATION, trans2SetFileInfo.getSubCommand());
    }

    @Test
    @DisplayName("Test writeSetupWireFormat")
    void testWriteSetupWireFormat() {
        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] buffer = new byte[256];
        int written = trans2SetFileInfo.writeSetupWireFormat(buffer, 0);

        assertEquals(2, trans.setupCount);
        assertEquals("\\PIPE\\", trans.name);
    }

    @Test
    @DisplayName("Test writeSetupWireFormat writes correct data")
    void testWriteSetupWireFormat() {
        // Arrange
        TransTransactNamedPipe trans = new TransTransactNamedPipe(mockConfig, TEST_FID, TEST_DATA, TEST_OFFSET, TEST_LENGTH);
        byte[] dst = new byte[10];
        int dstIndex = 0;

        assertNotNull(descrBytes);
        assertEquals(13, descrBytes.length); // WrLeh(5) + null(1) + B13BWz(6) + null(1) = 13
    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")
    void testWriteSetupWireFormat() {
        netShareEnum = new NetShareEnum(realConfig);
        byte[] dst = new byte[100];

        int result = netShareEnum.writeSetupWireFormat(dst, 0);
        assertEquals(0, result);

        });

        assertEquals("Incompatible file information class", exception.getMessage());
    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")
    void testWriteSetupWireFormat() {
        response = new Trans2QueryPathInformationResponse(mockConfig, FileInformation.FILE_BASIC_INFO);
        byte[] dst = new byte[100];

        int result = response.writeSetupWireFormat(dst, 0);

        FileSystemInformation result = response.getInfo(FileSystemInformation.class);
        assertNotNull(result);
        assertSame(allocation, result);
    }

    @Test
    void testWriteSetupWireFormat() {
        // Test writeSetupWireFormat returns 0
        response = new Trans2QueryFSInformationResponse(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[10];

        // Check filename is updated (it's at the end after flags)
        String actualFilename = readString(buffer, 12, written - 12);
        assertEquals(newFilename, actualFilename);
    }

    @Test
    void testWriteSetupWireFormat() {
        // Test setup wire format writing
        trans2FindNext2 = new Trans2FindNext2(config, TEST_SID, TEST_RESUME_KEY, TEST_FILENAME, TEST_BATCH_COUNT, TEST_BATCH_SIZE);

        byte[] buffer = new byte[10];

        assertEquals(SmbComTransaction.TRANS2_SET_FILE_INFORMATION, mockResponse.getSubCommand());
    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")
    void testWriteSetupWireFormat() {
        // Test that writeSetupWireFormat always returns 0
        byte[] buffer = new byte[100];
        int result = response.writeSetupWireFormat(buffer, 0);
        assertEquals(0, result);