public void Should_return_string_value_if_object_is_not_null() { var svc = new ToStringHashCodeGenerator(); Assert.AreEqual("null", svc.GetCode(null)); Assert.AreEqual("123", svc.GetCode("123")); Assert.AreEqual("123", svc.GetCode(123)); Assert.AreEqual("Flatwhite.ToStringHashCodeGenerator", svc.GetCode(svc)); }