public void Equality()
{
using (var s1 = new NSString("\u00f6")) // o-umlaut
using (var s2 = new NSString("o\u0308")) { // o + combining diaeresis
// since ObjC thinks it's different
Assert.That(s1.GetHashCode(), Is.Not.EqualTo(s2.GetHashCode()), "GetHashCode");
// then it's "correct" to return false for equality
Assert.False(s1.Equals((object)s2), "Equal(object)");
Assert.False(s1.Equals((NSObject)s2), "Equal(NSObject)");
Assert.False(s1.Equals((NSString)s2), "Equal(NSString)");
Assert.False(NSString.Equals(s1, s2), "static");
// and people need to call compare
Assert.That(s1.Compare(s2), Is.EqualTo(NSComparisonResult.Same), "Same");
}
}