public void DescriptorForAllComparatorKeys() { var keys = CNContact.GetDescriptorForAllComparatorKeys(); // while most input for ICNKeyDescriptor are done with NSString // the output is opaque and an internal type // note: this is not very robust - but I want to know if this changes during the next betas Assert.True(keys.Description.StartsWith("<CNAggregateKeyDescriptor:", StringComparison.Ordinal), "type"); Assert.True(keys.Description.Contains("kind=Formatter style: 1002"), "kind"); }