public void RollForwardThroughRemove() { var objects = new Dictionary <HistoryId, MockHistoryObject>(); Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id]; var storage = new HistoryObjectListHistory <MockHistoryObject>(lookupFunc); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { var obj = new MockHistoryObject(i); objects.Add(obj.HistoryId, obj); storage.Add(obj); } storage.StoreCurrent(new TimeMarker(1)); storage.RemoveAt(5); storage.StoreCurrent(new TimeMarker(2)); storage.RollBackToStart(); storage.RollForwardTo(new TimeMarker(2)); Assert.AreEqual(maximumValue - 1, storage.Count); for (int i = 0; i < storage.Count; i++) { if (i < 5) { Assert.AreSame(objects[new HistoryId(i)], storage[i]); } else { Assert.AreSame(objects[new HistoryId(i + 1)], storage[i]); } } }
public void RollForwardThroughClear() { var objects = new Dictionary <HistoryId, MockHistoryObject>(); Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id]; var storage = new HistoryObjectListHistory <MockHistoryObject>(lookupFunc); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { var obj = new MockHistoryObject(i); objects.Add(obj.HistoryId, obj); storage.Add(obj); } storage.StoreCurrent(new TimeMarker(1)); storage.Clear(); var newObj = new MockHistoryObject(maximumValue); objects.Add(newObj.HistoryId, newObj); storage.Add(newObj); storage.StoreCurrent(new TimeMarker(2)); storage.RollBackToStart(); storage.RollForwardTo(new TimeMarker(2)); Assert.AreEqual(1, storage.Count); Assert.AreSame(objects[new HistoryId(maximumValue)], storage[0]); }
public void RollForwardWithLocalChange() { var objects = new Dictionary <HistoryId, MockHistoryObject>(); Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id]; var storage = new HistoryObjectListHistory <MockHistoryObject>(lookupFunc); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { var obj = new MockHistoryObject(i); objects.Add(obj.HistoryId, obj); storage.Add(obj); storage.StoreCurrent(new TimeMarker((ulong)(i + 1))); } storage.RollBackToStart(); var newObj = new MockHistoryObject(maximumValue + 1); objects.Add(newObj.HistoryId, newObj); storage.Add(newObj); for (int i = 1; i < maximumValue; i++) { storage.RollForwardTo(new TimeMarker((ulong)i)); Assert.AreEqual(i, storage.Count); for (int j = 1; j <= i; j++) { Assert.IsTrue(storage.Contains(objects[new HistoryId(j - 1)])); } } }
public void RollBackToStartWithNoValues() { var objects = new Dictionary <HistoryId, MockHistoryObject>(); Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id]; var storage = new HistoryObjectListHistory <MockHistoryObject>(lookupFunc); Assert.DoesNotThrow(() => storage.RollBackToStart()); }
public void RollBackToStart() { var objects = new Dictionary <HistoryId, MockHistoryObject>(); Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id]; var storage = new HistoryObjectListHistory <MockHistoryObject>(lookupFunc); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { var obj = new MockHistoryObject(i); objects.Add(obj.HistoryId, obj); storage.Add(obj); storage.StoreCurrent(new TimeMarker((ulong)(i + 1))); } storage.RollBackToStart(); Assert.AreEqual(0, storage.Count); }