public void UIKitAttachmentConveniences_Old() { if (!TestRuntime.CheckSystemAndSDKVersion(7, 0)) { Assert.Inconclusive("requires iOS7+"); } NSAttributedString as1 = null; // it's weird looking to use an instance (even null) so you can call a *static* category method... using (var ta = new NSTextAttachment(null, null)) using (var as2 = as1.FromTextAttachment(ta)) { Assert.That(as2.Length, Is.EqualTo((nint)1), "Length"); Assert.That(as2.Value [0], Is.EqualTo((char)0xFFFC), "NSAttachmentCharacter"); } }