String testInstance = "test_instance";
        ComponentUtil.register(testInstance, String.class.getCanonicalName());

        String retrieved = ComponentUtil.getComponent(String.class);
        assertSame(testInstance, retrieved);
    }

    @Test
    public void test_getComponent_byName_fromMap() {
        Integer testInstance = 42;
        String componentName = "testInteger";

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

    @Test
    public void test_instanceOf() {
        // Test inheritance hierarchy
        UnsupportedSearchException exception = new UnsupportedSearchException("test");

        assertTrue(exception instanceof UnsupportedSearchException);

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

    @Test
    public void test_instanceOf() {
        // Test that exception is instance of RuntimeException
        DictionaryExpiredException exception = new DictionaryExpiredException();
        assertTrue(exception instanceof RuntimeException);