public void Copy()
{
IntPtr nscopying = Runtime.GetProtocol("NSCopying");
Assert.That(nscopying, Is.Not.EqualTo(IntPtr.Zero), "NSCopying");
IntPtr nsmutablecopying = Runtime.GetProtocol("NSMutableCopying");
Assert.That(nsmutablecopying, Is.Not.EqualTo(IntPtr.Zero), "NSMutableCopying");
// NSObject does not conform to NSCopying
using (var o = new NSObject()) {
Assert.False(o.ConformsToProtocol(nscopying), "NSObject/NSCopying");
Assert.False(o.ConformsToProtocol(nsmutablecopying), "NSObject/NSMutableCopying");
}
// NSNumber conforms to NSCopying - but not NSMutableCopying
using (var n = new NSNumber(-1)) {
Assert.True(n.ConformsToProtocol(nscopying), "NSNumber/NSCopying");
using (var xn = n.Copy()) {
Assert.NotNull(xn, "NSNumber/Copy/NotNull");
Assert.AreSame(n, xn, "NSNumber/Copy/NotSame");
}
Assert.False(n.ConformsToProtocol(nsmutablecopying), "NSNumber/NSMutableCopying");
}
// NSMutableString conforms to NSCopying - but not NSMutableCopying
using (var s = new NSMutableString(1)) {
Assert.True(s.ConformsToProtocol(nscopying), "NSMutableString/NSCopying");
using (var xs = s.Copy()) {
Assert.NotNull(xs, "NSMutableString/Copy/NotNull");
Assert.AreNotSame(s, xs, "NSMutableString/Copy/NotSame");
}
Assert.True(s.ConformsToProtocol(nsmutablecopying), "NSMutableString/NSMutableCopying");
using (var xs = s.MutableCopy()) {
Assert.NotNull(xs, "NSMutableString/MutableCopy/NotNull");
Assert.AreNotSame(s, xs, "NSMutableString/MutableCopy/NotSame");
}
}
}