public void ChangeTrackingAnInpc_WhenNestedPropertyChangedAndUndoRequested_UndoExecutesAndEventsAreRaised()
{
InpcAndChangeTrackingEnabled sut = new InpcAndChangeTrackingEnabled();
sut.PropertyChanged += UniversalPropertyChangedHandler;
ObjectTracker.Track(sut);
var nested = new InpcAndChangeTrackingNested();
nested.PropertyChanged += this.UniversalPropertyChangedHandler;
sut.Nested = nested;
var restorePoint = ObjectTracker.SetRestorePoint(sut);
sut.StringProperty = "string";
sut.IntProperty = 1;
nested.FirstName = "first";
nested.LastName = "last";
ObjectTracker.UndoTo(sut, restorePoint);
Assert.AreEqual(null, sut.StringProperty);
Assert.AreEqual(0, sut.IntProperty);
Assert.AreEqual(" ", sut.Nested.Name);
Assert.AreEqual(2, this.GetEventCount(sut, s => s.StringProperty));
Assert.AreEqual(2, this.GetEventCount(sut, s => s.IntProperty));
Assert.AreEqual(5, this.GetEventCount(sut, s => s.NestedName));
Assert.AreEqual(5, this.GetEventCount(sut, s => s.NestedIndirectName));
Assert.AreEqual(2, this.GetEventCount(nested, s => s.FirstName));
Assert.AreEqual(2, this.GetEventCount(nested, s => s.LastName));
}
public void ChangeTrackingAnInpc_WhenNestedPropertyChangedAndUndoRequested_UndoExecutesAndEventsAreRaised()
{
InpcAndChangeTrackingEnabled sut = new InpcAndChangeTrackingEnabled();
sut.PropertyChanged += UniversalPropertyChangedHandler;
ObjectTracker.Track(sut);
var nested = new InpcAndChangeTrackingNested();
nested.PropertyChanged += this.UniversalPropertyChangedHandler;
sut.Nested = nested;
var restorePoint = ObjectTracker.SetRestorePoint(sut);
sut.StringProperty = "string";
sut.IntProperty = 1;
nested.FirstName = "first";
nested.LastName = "last";
ObjectTracker.UndoTo(sut, restorePoint);
Assert.AreEqual(null, sut.StringProperty);
Assert.AreEqual(0, sut.IntProperty);
Assert.AreEqual(" ", sut.Nested.Name);
Assert.AreEqual(2, this.GetEventCount(sut, s => s.StringProperty ));
Assert.AreEqual(2, this.GetEventCount(sut, s => s.IntProperty ));
Assert.AreEqual(5, this.GetEventCount(sut, s => s.NestedName ));
Assert.AreEqual(5, this.GetEventCount(sut, s => s.NestedIndirectName ));
Assert.AreEqual(2, this.GetEventCount(nested, s => s.FirstName ));
Assert.AreEqual(2, this.GetEventCount(nested, s => s.LastName ));
}