void RaiseCanExecuteChangedTest <T>(CommandBase <T> command)
{
var counter = new CanExecuteChangedCounter(command);
command.RaiseCanExecuteChanged();
Assert.AreEqual(1, counter.FireCount);
counter.Unsubscribe();
command.RaiseCanExecuteChanged();
Assert.AreEqual(1, counter.FireCount);
}
void RaiseCanExecuteChangedWithCommandManagerTest <T>(CommandBase <T> command)
{
var counter = new CanExecuteChangedCounter(command);
command.RaiseCanExecuteChanged();
Assert.AreEqual(0, counter.FireCount);
DispatcherHelper.DoEvents();
Assert.AreEqual(1, counter.FireCount);
counter.Unsubscribe();
command.RaiseCanExecuteChanged();
DispatcherHelper.DoEvents();
Assert.AreEqual(1, counter.FireCount);
}
