assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify that this test method appears in the stack trace
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {
            if ("test_stackTrace".equals(element.getMethodName())) {

        // Then
        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Should contain this test method in stack trace
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {
            if (element.getMethodName().contains("testStackTracePreservation")) {

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify the stack trace contains this test method
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {
            if (element.getMethodName().equals("test_stackTrace")) {

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify that the stack trace contains this test method
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {

        ScheduledJobException exception = new ScheduledJobException("Stack trace test");

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify the first stack trace element is from this test method
        StackTraceElement firstElement = exception.getStackTrace()[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());

        PluginException exception = new PluginException("Stack trace test");

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify that the first stack trace element is from this test method
        StackTraceElement firstElement = exception.getStackTrace()[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());

    public void test_stackTrace() {
        // Test that stack trace is properly maintained
        DictionaryExpiredException exception = new DictionaryExpiredException();
        StackTraceElement[] stackTrace = exception.getStackTrace();

        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // First element should be from this test method
        assertEquals("test_stackTrace", stackTrace[0].getMethodName());

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());

        // Stack trace should be populated
        assertTrue(exception.getStackTrace().length > 0);
    }

    @Test
    public void test_constructor_withNonWritableStackTrace() {
        // Test protected constructor with non-writable stack trace

        RuntimeException innerException = new RuntimeException(innerMessage);
        StorageException exception = new StorageException(outerMessage, innerException);

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);
        assertEquals(innerException, exception.getCause());
        assertEquals(innerMessage, exception.getCause().getMessage());
    }

    @Test

        // Execute
        final SsoMessageException exception = new SsoMessageException(messageCode, message, cause);

        // Verify stack trace is available
        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);
    }

    @Test
    public void test_differentMessageCodes() {
        // Setup - test with different message codes
        final String message = "Test message";