public void Reverse()
{
var originalCount = _actualCount;
_sut.Execute(1);
Assert.AreNotEqual(originalCount, _actualCount);
_sut.Reverse(1);
Assert.AreEqual(originalCount, _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);
}