public void ParameterTypesNegateTest() { Assert.AreEqual(false, ParameterTypes.NegateObject(true)); Assert.AreEqual("not ok", ParameterTypes.NegateObject("ok")); Assert.AreEqual(-1L, ParameterTypes.NegateObject(1)); Assert.AreEqual("anything but null", ParameterTypes.NegateObject(null)); }