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 Clear()
{
var storage = new DictionaryHistory <int, int>();
int key = 5;
int value = 10;
storage.Add(key, value);
storage.Clear();
Assert.AreEqual(0, storage.Count);
Assert.IsFalse(storage.ContainsKey(key));
}
public void Add()
{
var storage = new DictionaryHistory <int, int>();
int key = 5;
int value = 10;
storage.Add(key, value);
Assert.IsTrue(storage.ContainsKey(key));
Assert.AreEqual(1, storage.Count);
Assert.AreEqual(value, storage[key]);
}
public void Remove()
{
var storage = new DictionaryHistory <int, int>();
int key = 5;
int value = 10;
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 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.RollBackTo(new TimeMarker(1));
Assert.AreEqual(1, storage.Count);
Assert.IsTrue(storage.ContainsKey(0));
}
public void RollBackMultipleTimes()
{
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)));
}
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 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));
}
