assertEquals(servletException, runtimeException.getCause());

        // Verify that the message is preserved from the cause
        assertTrue(runtimeException.getMessage().contains(ServletException.class.getName()));
        assertTrue(runtimeException.getMessage().contains(errorMessage));
    }

    public void test_constructor_withServletExceptionWithCause() {
        // Create a root cause exception

        // When
        CIFSException exception = new CIFSException(message);

        // Then
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertTrue(exception instanceof IOException);
    }

    @Test
    @DisplayName("Should create CIFSException with message and cause")
    void testCIFSExceptionWithCause() {
        // Given

            throw new TransferFailedException("Connection failed: " + e.getMessage(), e);
        } catch (AuthenticationException e) {
            throw new TransferFailedException("Authentication failed: " + e.getMessage(), e);
        } catch (AuthorizationException e) {
            throw new TransferFailedException("Authorization failed: " + e.getMessage(), e);
        } finally {

    @Test
    void testNoArgsConstructor() {
        // Test the no-argument constructor
        ConnectionTimeoutException exception = new ConnectionTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");
        assertNull(exception.getCause(), "Cause should be null for no-arg constructor");
    }

    @Test
    void testStringConstructor() {

            scriptEngineFactory.add(null, engine);
            fail("Should throw IllegalArgumentException for null name");
        } catch (IllegalArgumentException e) {
            assertEquals("name or scriptEngine is null.", e.getMessage());
        }
    }

    // Test add method with null engine
    public void test_add_nullEngine() {
        try {
            scriptEngineFactory.add("test", null);

     * @return true if TCP fallback is recommended
     */
    public boolean shouldFallbackToTcp(Exception error) {
        // Hardware errors suggest RDMA is not working
        if (error.getMessage() != null) {
            String message = error.getMessage().toLowerCase();
            if (message.contains("hardware") || message.contains("device not found") || message.contains("driver")

    @Test
    void testNoArgsConstructor() {
        // Test the constructor with no arguments
        RequestTimeoutException exception = new RequestTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");
        assertNull(exception.getCause(), "Cause should be null for no-arg constructor");
    }

    @Test
    void testMessageConstructor() {

        assertTrue(exception.getMessage().contains("FILE_EXISTS"));
        assertTrue(exception.getMessage().contains("File already exists"));
        assertTrue(exception.getMessage().contains("document.pdf already exists"));

        // Without custom message
        exception = new SmbOperationException(SmbOperationException.ErrorCode.DISK_FULL, null);
        assertTrue(exception.getMessage().contains("DISK_FULL"));

            // Verify error message is clear and helpful
            assertNotNull(exception.getMessage());
            assertTrue(exception.getMessage().contains("Expected structureSize = 4"));
        }

        @Test
        @DisplayName("Should handle zero structure size")
        void testZeroStructureSize() {
            // Given

        final StringBuilder buf = new StringBuilder(256);
        buf.append(cause.getMessage()).append(" : [");
        SQLException next = cause.getNextException();
        while (next != null) {
            buf.append(MessageFormatter.getSimpleMessage("ECL0071", next.getMessage(), Integer.toString(next.getErrorCode()),
                    next.getSQLState())).append("], [");