@Test public void testRequiredConstraint() { Constraint requiredConstraint = new Constraint(); requiredConstraint.setConstraintType(ConstraintType.REQUIRED); /* Object nullObject = null; assertFalse(constraintHandler.evaluateConstraint(nullObject, requiredConstraint)); String stringObject = ""; assertFalse(constraintHandler.evaluateConstraint(stringObject, requiredConstraint)); stringObject = "whatever"; assertTrue(constraintHandler.evaluateConstraint(stringObject, requiredConstraint)); */ }