public void NotEmpty()
 {
     Assert.ThrowsExact <ArgumentNullException>(() => Assert.NotEmpty <int>(null));
     Assert.ThrowsExact <AssertionException>(() => Assert.NotEmpty(new int[] { }));
     Assert.ThrowsExact <AssertionException>(() => Assert.NotEmpty(string.Empty));
     Assert.DoesNotThrow(() => Assert.NotEmpty(new[] { 1, 2, 3 }));
 }