public void ConstructHimself()
{
_ = new CommandReversibleAndDisableAbleAsync(
_canExecuteAction,
_actionToExecute,
_undoAction);
}
public void TestInitialize()
{
_actualCount = 0;
_canExecuteAction = () => true;
_actionToExecute = () => _actualCount++;
_undoAction = () => _actualCount--;
_sut = new CommandReversibleAndDisableAbleAsync(
_canExecuteAction,
_actionToExecute,
_undoAction);
_sut.CanExecuteChanged += (o, e) => _actualCount++;
}
public void TestInitialize()
{
_actualCount = 0;
_canExecuteAction = o => true;
_actionToExecute = increase => _actualCount += increase.Value;
_undoAction = decrease => _actualCount -= decrease.Value;
_sut = new CommandReversibleAndDisableAbleAsync <int?>(
_canExecuteAction,
_actionToExecute,
_undoAction);
_sut.CanExecuteChanged += (o, e) => _actualCount++;
}
public async Task CannotExecute()
{
int expectedCount = _actualCount;
var sut = new CommandReversibleAndDisableAbleAsync(
() => false,
_actionToExecute,
_undoAction);
await sut.ExecuteAsync();
Assert.AreEqual(expectedCount, _actualCount);
await sut.ReverseAsync();
Assert.AreEqual(expectedCount, _actualCount);
bool actualResult = await sut.CanExecuteAsync();
Assert.AreEqual(expected: false, actualResult);
}
