public class Dork : RealmObject
{
	public int State { get; set; }
	public int ShadowState { get; set; }

	protected override void OnPropertyChanged(string propertyName)
	{
		switch (propertyName)
		{
			case nameof(State):
				if (!IsManaged || Realm.IsInTransaction)
					ShadowState = State;
				else
					Realm.Write(() => ShadowState = State);
				break;
		}
	}
}

public class RealmTests
{
	[Test]
	public void PropertyChangedRaisedEvenIfNotManagedYetTest()
	{
		AsyncContext.Run(async () =>
		{
			var config = new RealmConfiguration("test.db");
			Realm.DeleteRealm(config);
			using (var realm = Realm.GetInstance(config))
			{
				var d = new Dork
				{
					State = 1
				};

				Assert.That(1, Is.EqualTo(d.State));
				Assert.That(d.State, Is.EqualTo(d.ShadowState));

				d.State = 2;
				Assert.That(2, Is.EqualTo(d.State));
				Assert.That(d.State, Is.EqualTo(d.ShadowState));

				realm.Write(() =>
				{
					realm.Add(d);
					d.State = 3;
				});
				Assert.That(3, Is.EqualTo(d.State));
				Assert.That(d.State, Is.Not.EqualTo(d.ShadowState)); // Sadly so :-/

				d.PropertyChanged += (s, e) => { }; // just here to show interest

				using (var transaction = realm.BeginWrite())
				{
					d.State = 4;
					await Task.Yield();
					Assert.That(4, Is.EqualTo(d.State));
					Assert.That(d.State, Is.Not.EqualTo(d.ShadowState)); // Sadly so :-/
					transaction.Commit();
				}
				await Task.Yield(); // otherwise OnPropertyChanged won't be raised! :-/
				Assert.That(4, Is.EqualTo(d.State));
				Assert.That(d.State, Is.EqualTo(d.ShadowState)); // now it works

				realm.Write(() => d.ShadowState = 0); // reset shadow state!
				using (var transaction = realm.BeginWrite())
				{
					d.State = 5;
					transaction.Rollback();
				}
				await Task.Yield();
				Assert.That(4, Is.EqualTo(d.State));
				Assert.That(0, Is.EqualTo(d.ShadowState)); // Sadly so :-/
			}
		});
	}
}