public void Test1()
{
List <int> data = GetData();
var recorder = new VoidableOperationRecorder <VoidableOperation>();
var add4 = data.VoidableAdd(4).PerformDo();
Assert.AreEqual(4, data[4]);
Assert.AreEqual(5, data.Count);
recorder.Register(add4);
Assert.AreEqual(1, recorder.Count);
var add5 = data.VoidableAdd(5).PerformDo();
Assert.AreEqual(5, data[5]);
Assert.AreEqual(6, data.Count);
recorder.Register(add5);
Assert.AreEqual(2, recorder.Count);
var remove1 = data.VoidableRemoveAt(1).PerformDo();
Assert.AreEqual(0, data[0]);
Assert.AreEqual(2, data[1]);
Assert.AreEqual(3, data[2]);
Assert.AreEqual(4, data[3]);
Assert.AreEqual(5, data[4]);
Assert.AreEqual(5, data.Count);
recorder.Register(remove1);
Assert.AreEqual(3, recorder.Count);
recorder.PerformUndo();
Assert.AreEqual(6, data.Count);
recorder.PerformRedo();
recorder.PerformRedo();
recorder.PerformRedo();
Assert.AreEqual(0, data[0]);
Assert.AreEqual(2, data[1]);
Assert.AreEqual(3, data[2]);
Assert.AreEqual(4, data[3]);
Assert.AreEqual(5, data[4]);
Assert.AreEqual(5, data.Count);
recorder.PerformUndo();
recorder.PerformUndo();
recorder.PerformUndo();
recorder.PerformUndo();
Assert.AreEqual(0, data[0]);
Assert.AreEqual(1, data[1]);
Assert.AreEqual(2, data[2]);
Assert.AreEqual(3, data[3]);
Assert.AreEqual(4, data.Count);
var add9 = data.VoidableAdd(9).PerformDo();
Assert.AreEqual(5, data.Count);
recorder.Register(add9);
Assert.AreEqual(1, recorder.Count);
}
public void GroupTest()
{
List <int> data = GetData();
var recorder = new VoidableOperationRecorder <VoidableOperation>();
var group = new VoidableOperationGroup <VoidableOperation>()
{
data.VoidableAdd(4).PerformDo(),
data.VoidableAdd(5).PerformDo(),
data.VoidableRemove(4).PerformDo(),
};
recorder.Register(group);
Assert.AreEqual(0, data[0]);
Assert.AreEqual(1, data[1]);
Assert.AreEqual(2, data[2]);
Assert.AreEqual(3, data[3]);
Assert.AreEqual(5, data[4]);
Assert.AreEqual(5, data.Count);
recorder.PerformUndo();
Assert.AreEqual(0, data[0]);
Assert.AreEqual(1, data[1]);
Assert.AreEqual(2, data[2]);
Assert.AreEqual(3, data[3]);
Assert.AreEqual(4, data.Count);
recorder.PerformRedo();
Assert.AreEqual(0, data[0]);
Assert.AreEqual(1, data[1]);
Assert.AreEqual(2, data[2]);
Assert.AreEqual(3, data[3]);
Assert.AreEqual(5, data[4]);
Assert.AreEqual(5, data.Count);
}