public void RollForwardWithLocalChange()
{
var timeline = new Timeline(BuildStorageOfType);
timeline.Mark();
var obj = timeline.AddToTimeline(BuildObject);
timeline.Mark();
obj.SomeValue = 1;
obj.LotsOfValues.Add(2);
var firstChange = timeline.Mark();
obj.SomeValue = 2;
obj.LotsOfValues.Add(4);
var secondChange = timeline.Mark();
timeline.RollBackTo(firstChange);
obj.SomeValue = 3;
obj.LotsOfValues.Add(8);
var otherObj = timeline.AddToTimeline(BuildObject);
timeline.RollForwardTo(secondChange);
Assert.AreEqual(2, obj.SomeValue);
Assert.That(
obj.LotsOfValues,
Is.EquivalentTo(new[] { 2, 4 }));
Assert.IsFalse(timeline.DoesObjectExistCurrently(otherObj.HistoryId));
Assert.IsFalse(timeline.HasObjectEverExisted(otherObj.HistoryId));
}
public void MarkClearsForwardHistory()
{
var timeline = new Timeline(BuildStorageOfType);
var firstMark = timeline.Mark();
var obj = timeline.AddToTimeline(BuildObject);
timeline.Mark();
timeline.RemoveFromTimeline(obj.HistoryId);
var thirdMark = timeline.Mark();
timeline.RollBackTo(firstMark);
Assert.IsTrue(timeline.HasObjectEverExisted(obj.HistoryId));
Assert.IsFalse(timeline.DoesObjectExistCurrently(obj.HistoryId));
timeline.AddToTimeline(BuildObject);
timeline.Mark();
Assert.IsFalse(timeline.HasObjectEverExisted(obj.HistoryId));
Assert.IsFalse(timeline.DoesObjectExistCurrently(obj.HistoryId));
timeline.RollForwardTo(thirdMark);
Assert.IsFalse(timeline.HasObjectEverExisted(obj.HistoryId));
Assert.IsFalse(timeline.DoesObjectExistCurrently(obj.HistoryId));
}
public void RollForwardToTheEnd()
{
var timeline = new Timeline(BuildStorageOfType);
timeline.Mark();
var obj = timeline.AddToTimeline(BuildObject);
var creationTime = timeline.Mark();
var objectChangeMarkers = new List <TimeMarker>();
int maximumValue = 10;
for (int i = 0; i < maximumValue; i++)
{
obj.SomeValue = i;
obj.LotsOfValues.Add(i);
var marker = timeline.Mark();
objectChangeMarkers.Add(marker);
}
timeline.RollBackTo(creationTime);
timeline.RollForwardTo(new TimeMarker(100));
Assert.AreEqual(maximumValue - 1, obj.SomeValue);
var expected = Enumerable.Range(0, maximumValue);
Assert.That(
obj.LotsOfValues,
Is.EquivalentTo(expected));
}
