public void testConstructor() throws Exception {
        // Given
        String oldFileName = "oldFile.txt";
        String newFileName = "newFile.txt";

        // When
        smbComRename = new SmbComRename(config, oldFileName, newFileName);

        // Then
        assertEquals(ServerMessageBlock.SMB_COM_RENAME, smbComRename.getCommand());

        doNothing().when(mockBufferCache).releaseBuffer(buffer);

        // When & Then
        assertDoesNotThrow(() -> {
            mockBufferCache.releaseBuffer(buffer);
        }, "releaseBuffer should handle valid buffers");
    }

    @Test
    @DisplayName("getBuffer should return buffers for use")
    void testGetBufferBasicUsage() {
        // When
        byte[] buffer1 = testCache.getBuffer();

        Mockito.when(mockContext.getConfig()).thenReturn(mockConfig);
        Mockito.when(mockContext.getCredentials()).thenReturn(mockCredentials);
        Mockito.when(mockCredentials.unwrap(Mockito.any())).thenReturn(mockCredentialsInternal);
        Mockito.when(mockCredentialsInternal.clone()).thenReturn(mockCredentialsInternal);
        Mockito.when(mockTransport.acquire()).thenReturn(mockTransport);
    }

        FileInformation internalInfo = mock(FileInformation.class);

        // Set different levels
        when(basicInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_BASIC_INFO);
        when(standardInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_STANDARD_INFO);
        when(internalInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_INTERNAL_INFO);

        // Verify each has correct level

        // Given
        byte[] buffer = new byte[] { (byte) 0xff, (byte) 0xff, 0, 0, 0, 0, 0, 0 };
        SmbComWriteAndXResponse instance = new SmbComWriteAndXResponse(config);

        // When
        int result = instance.readParameterWordsWireFormat(buffer, 0);

        // Then
        assertEquals(8, result);
        assertEquals(0xffffL, instance.getCount());
    }

    /**

     */
    @Test
    void testDecode() throws NdrException {
        // When
        ndrObject.decode(mockBuffer);

        // Then
        // Verify that our mock buffer had the expected method called.
        verify(mockBuffer).dec_ndr_long();
    }

    /**
     * Test case for the encode method when it throws an NdrException.
     * Verifies that the exception is correctly propagated.
     */

 *   It is similar to a Promise in JavaScript.
 *   It allows you to register callbacks that will be executed when the computation is complete,
 *   either successfully (resolve) or with an error (reject).
 * </p>
 *
 * <p>
 *   The Deferred class has a Promise inner class that allows you to register callbacks
 *   to be executed when the computation is complete.
 *   The Promise class has then and error methods that allow you to register callbacks

        assertTrue(config.isUseBatching(), "Batching should be enabled");

        // When both are enabled, batch limits should be available
        int limit = config.getBatchLimit("TreeConnectAndX.QueryInformation");
        assertTrue(limit >= 0, "Batch limit should be non-negative when Unicode and batching enabled");
    }

    /**
     * Test configuration when batching is disabled
     */
    @Test

        // Assert
        assertEquals(msg, ex.getMessage(), "Constructor should preserve the provided message (including null)");
        assertNull(ex.getCause(), "No cause expected when only message is provided");

        // toString behavior mirrors Throwable: includes message when not null
        String ts = ex.toString();
        assertTrue(ts.contains("SmbUnsupportedOperationException"), "toString should contain class name");
        if (msg != null) {

        SmbFile file = mock(SmbFile.class);
        when(file.getAttributes()).thenReturn(SmbFile.ATTR_NORMAL);
        assertTrue(filter.accept(file), "Attributes match should be accepted");
        verify(file, times(1)).getAttributes();
    }

    @Test
    public void testAcceptReturnsFalseWhenAttributesDoNotMatch() throws Exception {
        SmbFile file = mock(SmbFile.class);
        when(file.getAttributes()).thenReturn(SmbFile.ATTR_HIDDEN);