public void Test_NotNull()
		{
			NotNullSpecification s = new NotNullSpecification();
			Assert.IsTrue(s.Test(new object()).Success);
			Assert.IsFalse(s.Test(null).Success);
			Assert.IsFalse(s.Test("").Success); 	// treat empty string as null
			Assert.IsTrue(s.Test(0).Success);
		}
        public void Test_NotNull()
        {
            NotNullSpecification s = new NotNullSpecification();

            Assert.IsTrue(s.Test(new object()).Success);
            Assert.IsFalse(s.Test(null).Success);
            Assert.IsFalse(s.Test("").Success);                 // treat empty string as null
            Assert.IsTrue(s.Test(0).Success);
        }