public void service_on_clear_undo_entities_are_restored()
{
var source = new Person[]
{
new Person( null, false ),
new Person( null, false ),
new Person( null, false ),
new Person( null, false ),
new Person( null, false )
};
ChangeTrackingService svc = new ChangeTrackingService();
PersonCollection list = new PersonCollection( svc );
list.BeginInit();
list.AddRange( source );
list.EndInit();
list.Clear();
svc.Undo();
Assert.AreEqual<Int32>( source.Length, list.Count() );
source.ForEach( p =>
{
Int32 expected = Array.IndexOf( source, p );
Int32 actual = list.IndexOf( p );
Assert.AreEqual<Int32>( expected, actual );
} );
}
