assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Root cause exception", exception.getCause().getMessage());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        ScheduledJobException exception = new ScheduledJobException(null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        StorageException exception = new StorageException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Image processing error", exception.getCause().getMessage());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        ThumbnailGenerationException exception = new ThumbnailGenerationException(null);

        assertNull(exception.getMessage());

        assertNotNull(exception.getCause());
        assertEquals(cause, exception.getCause());
        assertEquals("Root cause exception", exception.getCause().getMessage());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        GsaConfigException exception = new GsaConfigException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Config file not found", exception.getCause().getMessage());
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        ThemeException exception = new ThemeException(null);

        assertNotNull(exception);
        assertNull(exception.getMessage());

        assertEquals("java.lang.NullPointerException: Query object is null", exception.getMessage());
        assertTrue(exception instanceof FessSystemException);
    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        SearchQueryException exception = new SearchQueryException((String) null);

        assertNull(exception.getMessage());