public void Reset_LeavesCanceledState()
{
var command = new CancelCommand();
var token = command.CancellationToken;
object observedSender = null;
bool observedCanExecute = false;
EventHandler subscription = (s, _) =>
{
observedSender = s;
observedCanExecute = ((ICommand)command).CanExecute(null);
};
command.Cancel();
((ICommand)command).CanExecuteChanged += subscription;
command.Reset();
Assert.True(token.IsCancellationRequested);
Assert.False(command.CancellationToken.IsCancellationRequested);
Assert.False(command.IsCancellationRequested);
Assert.True(((ICommand)command).CanExecute(null));
Assert.Same(command, observedSender);
Assert.True(observedCanExecute);
((ICommand)command).CanExecuteChanged -= subscription;
}
public void AfterConstruction_IsNotCanceled()
{
var command = new CancelCommand();
Assert.False(command.CancellationToken.IsCancellationRequested);
Assert.False(command.IsCancellationRequested);
Assert.True(command.CancellationToken.CanBeCanceled);
Assert.True(((ICommand)command).CanExecute(null));
}
public RefCountedCancellationTokenSource(CancelCommand parent)
{
_parent = parent;
}