public void RollForwardThroughClear()
{
var objects = new Dictionary <HistoryId, MockHistoryObject>();
Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id];
var storage = new HistoryObjectDictionaryHistory <int, MockHistoryObject>(lookupFunc);
int maximumValue = 10;
for (int i = 0; i < maximumValue; i++)
{
var obj = new MockHistoryObject(i);
objects.Add(obj.HistoryId, obj);
storage.Add(i, obj);
}
storage.StoreCurrent(new TimeMarker(1));
storage.Clear();
var otherObj = new MockHistoryObject(maximumValue + 1);
objects.Add(otherObj.HistoryId, otherObj);
storage.Add(maximumValue + 1, otherObj);
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 RollForwardWithLocalChange()
{
var objects = new Dictionary <HistoryId, MockHistoryObject>();
Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id];
var storage = new HistoryObjectDictionaryHistory <int, MockHistoryObject>(lookupFunc);
int maximumValue = 10;
for (int i = 0; i < maximumValue; i++)
{
var obj = new MockHistoryObject(i);
objects.Add(obj.HistoryId, obj);
storage.Add(i, obj);
storage.StoreCurrent(new TimeMarker((ulong)(i + 1)));
}
storage.RollBackToStart();
var newObj = new MockHistoryObject(maximumValue + 1);
objects.Add(newObj.HistoryId, newObj);
storage.Add(maximumValue + 1, 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.ContainsKey(j - 1));
}
}
}
public void RollBackMultipleTimes()
{
var objects = new Dictionary <HistoryId, MockHistoryObject>();
Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id];
var storage = new HistoryObjectDictionaryHistory <int, MockHistoryObject>(lookupFunc);
int maximumValue = 10;
for (int i = 0; i < maximumValue; i++)
{
var obj = new MockHistoryObject(i);
objects.Add(obj.HistoryId, obj);
storage.Add(i, obj);
storage.StoreCurrent(new TimeMarker((ulong)(i + 1)));
}
for (int i = maximumValue; i > 0; i--)
{
storage.RollBackTo(new TimeMarker((ulong)i));
Assert.AreEqual(i, storage.Count);
for (int j = 1; j <= i; j++)
{
Assert.IsTrue(storage.ContainsKey(j - 1));
}
}
}
public void Add()
{
var objects = new Dictionary <HistoryId, MockHistoryObject>();
Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id];
var storage = new HistoryObjectDictionaryHistory <int, MockHistoryObject>(lookupFunc);
int key = 5;
var value = new MockHistoryObject(10);
objects.Add(value.HistoryId, value);
storage.Add(key, value);
Assert.IsTrue(storage.ContainsKey(key));
Assert.AreEqual(1, storage.Count);
Assert.AreSame(value, storage[key]);
}
public void Remove()
{
var objects = new Dictionary <HistoryId, MockHistoryObject>();
Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id];
var storage = new HistoryObjectDictionaryHistory <int, MockHistoryObject>(lookupFunc);
int key = 5;
var value = new MockHistoryObject(10);
objects.Add(value.HistoryId, value);
storage.Add(key, value);
var result = storage.Remove(key);
Assert.IsTrue(result);
Assert.AreEqual(0, storage.Count);
Assert.IsFalse(storage.ContainsKey(key));
}
public void RollBackToFirstValue()
{
var objects = new Dictionary <HistoryId, MockHistoryObject>();
Func <HistoryId, MockHistoryObject> lookupFunc = id => objects[id];
var storage = new HistoryObjectDictionaryHistory <int, MockHistoryObject>(lookupFunc);
int maximumValue = 10;
for (int i = 0; i < maximumValue; i++)
{
var obj = new MockHistoryObject(i);
objects.Add(obj.HistoryId, obj);
storage.Add(i, obj);
storage.StoreCurrent(new TimeMarker((ulong)(i + 1)));
}
storage.RollBackTo(new TimeMarker(1));
Assert.AreEqual(1, storage.Count);
Assert.IsTrue(storage.ContainsKey(0));
}