public void ConstructHimself()
{
_ = new CommandReversibleAndDisableAble <int>(
_canExecuteAction,
_actionToExecute,
_undoAction);
}
public void TestInitialize()
{
_actualCount = 0;
_canExecuteAction = o => true;
_actionToExecute = increase => _actualCount += increase.Value;
_undoAction = decrease => _actualCount -= decrease.Value;
_sut = new CommandReversibleAndDisableAble <int?>(
_canExecuteAction,
_actionToExecute,
_undoAction);
_sut.CanExecuteChanged += (o, e) => _actualCount++;
}
public void TestInitialize()
{
_actualCount = 0;
_canExecuteAction = () => true;
_actionToExecute = () => _actualCount++;
_undoAction = () => _actualCount--;
_sut = new CommandReversibleAndDisableAble(
_canExecuteAction,
_actionToExecute,
_undoAction);
_sut.CanExecuteChanged += (o, e) => _actualCount++;
}
public void CannotExecute()
{
int expectedCount = _actualCount;
var sut = new CommandReversibleAndDisableAble <int?>(
o => false, _actionToExecute, _undoAction);
sut.Execute(1);
Assert.AreEqual(expectedCount, _actualCount);
sut.Reverse(2);
Assert.AreEqual(expectedCount, _actualCount);
bool actualResult = sut.CanExecute(1);
Assert.AreEqual(expected: false, actualResult);
}
