@Test
public void testHasDefaultConstructor() {

    boolean shouldBeTrue = BeanClassUtils.hasDefaultConstructor(SimpleAssociationDTO.class);
    
    assertTrue("The class SimpleAssociationDTO has a default constructor", shouldBeTrue);
    
    boolean shouldBeFalse = BeanClassUtils.hasDefaultConstructor(SimpleImmutableDTO.class);
    
    assertFalse("The class SimpleImmutableDTO does not have a default constructor", shouldBeFalse);
}