public void ReturnsOneForBatchWithOneAction()
{
var model = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model, "Value", model.Value));
Assert.AreEqual(1, batch.ActionCount);
}
public void ReturnsFalseForBatchWithOneAction()
{
var model = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model, "Value", model.Value));
Assert.IsFalse(batch.IsEmptyBatch);
}
public void SetsValuesCorrectly()
{
var obj = new Mocks.MockModel();
var tag = "MyTag";
var service = new MementoService();
var observer = new ObjectObserver(obj, tag, service);
Assert.AreEqual(tag, observer.Tag);
}
public void ReturnsTrueForBatchWithOneAction()
{
var model = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model, "Value", model.Value));
Assert.IsTrue(batch.IsSingleActionBatch);
}
public void SetsValuesCorrectly()
{
var obj = new Mocks.MockModel();
var tag = "MyTag";
var service = new MementoService();
var observer = new ObjectObserver(obj, tag, service);
Assert.AreEqual(tag, observer.Tag);
}
public void ReturnsOneForBatchWithOneAction()
{
var model = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model, "Value", model.Value));
Assert.AreEqual(1, batch.ActionCount);
}
public void IsFalseWhenNoActionsCanRedo()
{
var model1 = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new ActionUndo(model1, () => model1.Value = "Value"));
Assert.IsFalse(batch.CanRedo);
}
public void ReturnsFalseForBatchWithMultipleActions()
{
var model1 = new Mocks.MockModel();
var model2 = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model1, "Value", model1.Value));
batch.AddAction(new PropertyChangeUndo(model2, "Value", model2.Value));
Assert.IsFalse(batch.IsEmptyBatch);
}
public void ReturnsFalseForBatchWithMultipleActions()
{
var model1 = new Mocks.MockModel();
var model2 = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model1, "Value", model1.Value));
batch.AddAction(new PropertyChangeUndo(model2, "Value", model2.Value));
Assert.IsFalse(batch.IsEmptyBatch);
}
public void IsTrueWhenAtLeastOneActionCanRedo()
{
var model1 = new Mocks.MockModel();
var model2 = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model1, "Value", model1.Value));
batch.AddAction(new PropertyChangeUndo(model2, "Value", model2.Value));
Assert.IsTrue(batch.CanRedo);
}
public void CorrectlyIgnoresDuplicatePropertyChangesWithEqualValues()
{
var obj = new Mocks.MockModel();
var service = new MementoService();
var observer = new ObjectObserver(obj, mementoService: service);
Assert.AreEqual(0, service.UndoBatches.Count());
obj.Value = "A";
Assert.AreEqual(1, service.UndoBatches.Count());
obj.Value = "A";
Assert.AreEqual(1, service.UndoBatches.Count());
}
public void CorrectlyIgnoresDuplicatePropertyChangesWithEqualValues()
{
var obj = new Mocks.MockModel();
var service = new MementoService();
var observer = new ObjectObserver(obj, mementoService: service);
Assert.AreEqual(0, service.UndoBatches.Count());
obj.Value = "A";
Assert.AreEqual(1, service.UndoBatches.Count());
obj.Value = "A";
Assert.AreEqual(1, service.UndoBatches.Count());
}
public void IsTrueWhenAtLeastOneActionCanRedo()
{
var model1 = new Mocks.MockModel();
var model2 = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new PropertyChangeUndo(model1, "Value", model1.Value));
batch.AddAction(new PropertyChangeUndo(model2, "Value", model2.Value));
Assert.IsTrue(batch.CanRedo);
}
public void IsFalseWhenNoActionsCanRedo()
{
var model1 = new Mocks.MockModel();
var batch = new Batch();
batch.AddAction(new ActionUndo(model1, () => model1.Value = "Value"));
Assert.IsFalse(batch.CanRedo);
}
