public void SimpleTrackedDictionaryAddTest()
{
TrackedDictionary <int, string> tc = new TrackedDictionary <int, string>(CollectionTrackingStrategy.TrackOnlyCollectionOperations);
tc.Tracker.Track();
tc.Add(0, "0");
tc.Add(1, "1");
tc.Add(2, "2");
tc.Add(3, "3");
tc.Add(4, "4");
tc.Add(5, "5");
ObjectTracker.SetRestorePoint(tc, "After 5");
tc.Add(6, "6");
tc.Add(7, "7");
tc.Add(8, "8");
tc.Add(9, "9");
tc.Add(10, "10");
ObjectTracker.UndoTo(tc, "After 5");
Assert.AreEqual(5, tc.Last().Key);
tc.Tracker.Redo();
Assert.AreEqual(6, tc.Last().Key);
tc.Tracker.Undo();
Assert.AreEqual(5, tc.Last().Key);
tc.Tracker.Undo();
Assert.AreEqual(4, tc.Last().Key);
tc.Remove(1);
Assert.IsFalse(tc.ContainsKey(1));
tc.Tracker.Undo();
Assert.AreEqual("1", tc[1]);
}
public void GlobalTrackerUndo_RestoresLocalTrackerHistory()
{
HistoryTracker historyTracker = new HistoryTracker();
SimpleTrackedObject sto1 = new SimpleTrackedObject();
SimpleTrackedObject sto2 = new SimpleTrackedObject();
historyTracker.Track(sto1).Track(sto2);
sto1.ChangeValues(1, 2, 3);
ObjectTracker.SetRestorePoint(sto1, "r1");
sto1.ChangeValues(4, 5, 6);
sto1.ChangeValues(7, 8, 9);
sto2.ChangeValues(2, 3, 4);
ObjectTracker.UndoTo(sto1, "r1");
Assert.AreEqual(1, sto1.P1);
Assert.AreEqual(2, sto1.P2);
Assert.AreEqual(3, sto1.P3);
historyTracker.Undo();
Assert.AreEqual(7, sto1.P1);
Assert.AreEqual(8, sto1.P2);
Assert.AreEqual(9, sto1.P3);
Assert.AreEqual(2, sto2.P1);
Assert.AreEqual(3, sto2.P2);
Assert.AreEqual(4, sto2.P3);
((ITrackedObject)sto1).Tracker.Undo();
Assert.AreEqual(4, sto1.P1);
Assert.AreEqual(5, sto1.P2);
Assert.AreEqual(6, sto1.P3);
}
public void ChangeTrackingAnInpc_WhenPropertiesChangedAndUndoRequested_UndoExecutesAndEventsAreRaised()
{
InpcAndChangeTrackingEnabled sut = new InpcAndChangeTrackingEnabled();
sut.PropertyChanged += UniversalPropertyChangedHandler;
ObjectTracker.Track(sut);
var restorePoint = ObjectTracker.SetRestorePoint(sut);
sut.StringProperty = "string";
sut.IntProperty = 1;
ObjectTracker.UndoTo(sut, restorePoint);
Assert.AreEqual(null, sut.StringProperty);
Assert.AreEqual(0, sut.IntProperty);
Assert.AreEqual(2, this.GetEventCount(sut, s => s.StringProperty));
Assert.AreEqual(2, this.GetEventCount(sut, s => s.IntProperty));
}
public void WhenTrackerTrackTurnedOff_IsNotTracking()
{
SimpleTrackedObject to = new SimpleTrackedObject();
var sot = (ITrackedObject)to;
sot.Tracker.StopTracking();
to.ChangeValues(1, 2, 3);
to.ChangeValues(1, 2, 3);
var token = ObjectTracker.SetRestorePoint(to);
to.ChangeValues(1, 2, 3);
ObjectTracker.UndoTo(to, token);
Assert.AreEqual(0, to.P1);
Assert.AreEqual(0, to.P2);
Assert.AreEqual(0, to.P3);
}
public void RedoAfterNamedRestorePointTest_RestoresPoint()
{
SimpleTrackedObject to = new SimpleTrackedObject();
var sot = (ITrackedObject)to;
to.ChangeValues(1, 2, 3);
ObjectTracker.SetRestorePoint(sot, "s1");
to.ChangeValues(4, 5, 6);
to.ChangeValues(7, 8, 9);
to.ChangeValues(10, 11, 12);
ObjectTracker.UndoTo(sot, "s1");
Assert.AreEqual(1, to.P1);
Assert.AreEqual(2, to.P2);
Assert.AreEqual(3, to.P3);
sot.Tracker.Redo();
Assert.AreEqual(4, to.P1);
Assert.AreEqual(5, to.P2);
Assert.AreEqual(6, to.P3);
sot.Tracker.Redo();
Assert.AreEqual(7, to.P1);
Assert.AreEqual(8, to.P2);
Assert.AreEqual(9, to.P3);
ObjectTracker.UndoTo(sot, "s1");
Assert.AreEqual(1, to.P1);
Assert.AreEqual(2, to.P2);
Assert.AreEqual(3, to.P3);
}
[Ignore] // TODO resolve interaction between ReaderWriterSynchronized and TrackedObject
public void OnReaderWriterSynchronizedObject_WhenUndoPerformed_LocksAreRespected()
{
var testObject = new ReaderWriterSynchronizedTrackedObject();
testObject.S1 = "123";
var restorePoint = ObjectTracker.SetRestorePoint(testObject);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
Task writerLockAcquiredTask = Task.Factory.StartNew(() => testObject.S1 = "sad");
ObjectTracker.UndoTo(testObject, restorePoint);
stopwatch.Stop();
writerLockAcquiredTask.Wait();
Assert.IsTrue(stopwatch.ElapsedMilliseconds >= 200);
}
public void Add_WhenCalledAndReverted_AddsAndReverts()
{
TrackedCollection <int> tc = new TrackedCollection <int>(CollectionTrackingStrategy.TrackOnlyCollectionOperations);
tc.Tracker.Track();
tc.Add(0);
tc.Add(1);
tc.Add(2);
tc.Add(3);
tc.Add(4);
tc.Add(5);
ObjectTracker.SetRestorePoint(tc, "After 5");
tc.Add(6);
tc.Add(7);
tc.Add(8);
tc.Add(9);
tc.Add(10);
ObjectTracker.UndoTo(tc, "After 5");
Assert.AreEqual(5, tc.Last());
tc.Tracker.Redo();
Assert.AreEqual(6, tc.Last());
tc.Tracker.Undo();
Assert.AreEqual(5, tc.Last());
tc.Tracker.Undo();
Assert.AreEqual(4, tc.Last());
}
