void testReadMethodsWithNullBuffer() {
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        // All read methods should handle null buffer gracefully by returning 0
        assertEquals(0, trans2QueryFSInfo.readSetupWireFormat(null, 0, 0));
        assertEquals(0, trans2QueryFSInfo.readParametersWireFormat(null, 0, 0));

    void testReadMethodsWithNullBuffer() {
        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        // All read methods should handle null buffer gracefully
        assertEquals(0, trans2SetFileInfo.readSetupWireFormat(null, 0, 0));
        assertEquals(0, trans2SetFileInfo.readParametersWireFormat(null, 0, 0));

        // Then
        assertEquals(0, bytesWritten);
        assertArrayEquals(originalBuffer, buffer); // Buffer should remain unchanged
    }

    @Test
    @DisplayName("Should handle null configuration gracefully")
    void testNullConfiguration() {
        // When - constructor accepts null config without throwing
        Smb2ReadResponse responseWithNull = new Smb2ReadResponse(null, outputBuffer, outputBufferOffset);

        SMBUtil.writeInt4(8, buffer, notifyOffset + 8);
        System.arraycopy("test".getBytes("UnicodeLittleUnmarked"), 0, buffer, notifyOffset + 12, 8);

        // When & Then - should handle gracefully
        assertThrows(Exception.class, () -> {
            response.readBytesWireFormat(buffer, offset);
        });
    }

    @Test
    @DisplayName("Should verify NotifyResponse interface implementation")

        // Closing should send a single Smb2CloseRequest
        it.close();
        verify(tree).send(argThat((Request<?> r) -> r instanceof Smb2CloseRequest));
    }

    @Test
    @DisplayName("open() gracefully handles NT_STATUS_NO_SUCH_FILE (empty listing)")
    void open_handles_no_such_file_and_yields_empty() throws Exception {
        // Setup required for this test
        when(parent.getLocator()).thenReturn(locator);

            byte[] shortFileId = new byte[8];
            Arrays.fill(shortFileId, (byte) 0xAB);
            request.setFileId(shortFileId);

            byte[] buffer = new byte[256];

            // Should handle gracefully or throw appropriate exception
            assertThrows(ArrayIndexOutOfBoundsException.class, () -> request.writeBytesWireFormat(buffer, 0));
        }

        @Test

        assertEquals(24, SMBUtil.readInt2(buffer, 0));
        assertEquals(testFlags, SMBUtil.readInt2(buffer, 2));
    }

    @Test
    @DisplayName("writeBytesWireFormat with null file ID should handle gracefully")
    void testWriteBytesWireFormatWithNullFileId() {
        Smb2CloseRequest requestWithNull = new Smb2CloseRequest(mockConfig, null, testFileName);
        byte[] buffer = new byte[256];

    }

    /**
     * Test remove method with non-existing type
     */
    @Test
    @DisplayName("Remove should handle non-existing type gracefully")
    void testRemoveNonExisting() {
        List<AvPair> pairs = new LinkedList<>();
        AvTimestamp timestamp = new AvTimestamp(new byte[8]);
        pairs.add(timestamp);

     * Tests for edge cases and error conditions
     */
    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle null configuration gracefully")
        void testNullConfiguration() {
            // When & Then - Should not throw exception
            assertDoesNotThrow(() -> {
                new Smb2TreeConnectResponse(null);

        assertNotNull(item.getTimestamp());
        assertNotNull(item.getId());
    }

    @Test
    public void testConstructorWithNullArrays() {
        // Test constructor handles null arrays gracefully
        String[] text = { "text" };
        String[][] readings = { { "reading" } };

        SuggestItem item = new SuggestItem(text, readings, null, 0L, 0L, 1.0f, null, null, null, SuggestItem.Kind.DOCUMENT);