}

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals(0x12345678, pdis.readInt());
    }

    @Test
    public void testReadLong() throws IOException {

        assertEquals(0x1234, ServerMessageBlock.readInt2(buffer, 0));
    }

    @Test
    void testInt4ReadWrite() {
        byte[] buffer = new byte[4];
        ServerMessageBlock.writeInt4(0x12345678, buffer, 0);
        assertEquals(0x12345678, ServerMessageBlock.readInt4(buffer, 0));
    }

    @Test
    void testInt8ReadWrite() {
        byte[] buffer = new byte[8];
        long value = 0x123456789ABCDEF0L;

    }

    @Test
    @DisplayName("Test setAdditionalInformation method")
    void testSetAdditionalInformation() {
        request = new Smb2SetInfoRequest(mockConfig);
        int testAdditionalInfo = 0x12345678;

        request.setAdditionalInformation(testAdditionalInfo);

        // Verify additional information was set
        Field additionalInfoField;
        try {

        byte[] buffer = new byte[] { 0x00, 0x00, // padding
                0x78, 0x56, 0x34, 0x12, // little-endian 0x12345678
                0x00, 0x00 // padding
        };
        int readLen = response.readParameterWordsWireFormat(buffer, 2);
        assertEquals(0x12345678L, response.getOffset(), "Offset should match decoded value");
        assertEquals(4, readLen, "Byte count returned should be 4");
    }

        }
    }

    @Test
    @DisplayName("Test setup wire format structure")
    void testSetupWireFormatStructure() {
        notifyChange = new NtTransNotifyChange(mockConfig, 0xABCD, 0x12345678, true);
        byte[] dst = new byte[100];

        int bytesWritten = notifyChange.writeSetupWireFormat(dst, 10);

        // Verify structure:
        // Offset 0-3: Completion Filter (4 bytes)

        assertEquals(newState, leaseContext.getLeaseState());
    }

    @Test
    @DisplayName("Should set and get lease flags")
    void testLeaseFlagsAccessors() {
        int newFlags = 0x12345678;

        leaseContext.setLeaseFlags(newFlags);
        assertEquals(newFlags, leaseContext.getLeaseFlags());
    }

    @Test
    @DisplayName("Should encode context correctly")
    void testEncode() {

        when(mockNegotiate.getNegotiatedSendBufferSize()).thenReturn(65535);
        when(mockNegotiate.getNegotiatedMpxCount()).thenReturn(65535);
        when(mockNegotiate.getNegotiatedSessionKey()).thenReturn(0x12345678);
    }

    /** Simple test stub of {@link ServerData} */
    private static class ServerDataStub extends ServerData {
        public ServerDataStub() {
            this.security = SmbConstants.SECURITY_USER;

    }

    /**
     * Test constructor with integer flags.
     */
    @Test
    void testAvFlagsIntConstructor() {
        // Test with a positive integer
        int flags = 0x12345678;
        AvFlags avFlags = new AvFlags(flags);
        assertNotNull(avFlags, "AvFlags object should not be null");
        assertEquals(flags, avFlags.getFlags(), "Flags should match the input integer");

        return Stream.of(org.junit.jupiter.params.provider.Arguments.of(0x0001, 0x00000000),
                org.junit.jupiter.params.provider.Arguments.of(0xFFFF, 0x12345678),
                org.junit.jupiter.params.provider.Arguments.of(-1, -123456));
    }

    @ParameterizedTest
    @MethodSource("validInputs")

    }

    @Test
    @DisplayName("Test setAdditionalInformation method")
    void testSetAdditionalInformation() {
        request = new Smb2QueryInfoRequest(mockConfig);
        int testAdditionalInfo = 0x12345678;

        request.setAdditionalInformation(testAdditionalInfo);

        // Verify additional information was set
        Field additionalInfoField;
        try {