public void RollForwardWithLocalChange() { var storage = new DictionaryHistory <int, int>(); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { storage.Add(i, i); storage.StoreCurrent(new TimeMarker((ulong)(i + 1))); } storage.RollBackToStart(); storage.Add(maximumValue + 1, maximumValue + 1); 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.ContainsKey(j - 1)); } } }
public void RollBackToStart() { var storage = new DictionaryHistory <int, int>(); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { storage.Add(i, 1); storage.StoreCurrent(new TimeMarker((ulong)(i + 1))); } storage.RollBackToStart(); Assert.AreEqual(0, storage.Count); }
public void RollForwardThroughRemove() { var storage = new DictionaryHistory <int, int>(); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { storage.Add(i, i); } storage.StoreCurrent(new TimeMarker(1)); storage.Remove(5); storage.StoreCurrent(new TimeMarker(2)); storage.RollBackToStart(); storage.RollForwardTo(new TimeMarker(2)); Assert.AreEqual(maximumValue - 1, storage.Count); int index = 0; foreach (var pair in storage) { if (index < 5) { Assert.AreEqual(index, pair.Key); Assert.AreEqual(index, pair.Value); } else { Assert.AreEqual(index + 1, pair.Key); Assert.AreEqual(index + 1, pair.Value); } index++; } }
public void RollForwardThroughClear() { var storage = new DictionaryHistory <int, int>(); int maximumValue = 10; for (int i = 0; i < maximumValue; i++) { storage.Add(i, i); } storage.StoreCurrent(new TimeMarker(1)); storage.Clear(); storage.Add(maximumValue + 1, maximumValue + 1); storage.StoreCurrent(new TimeMarker(2)); storage.RollBackToStart(); storage.RollForwardTo(new TimeMarker(2)); Assert.AreEqual(1, storage.Count); Assert.IsTrue(storage.ContainsKey(maximumValue + 1)); }
public void RollBackToStartWithNoValues() { var storage = new DictionaryHistory <int, int>(); Assert.DoesNotThrow(() => storage.RollBackToStart()); }