public void ObservableCanExecuteShouldShowUpInCommand()
{
var input = new[] {true, false, false, true, false, true};
var result = (new TestScheduler()).With(sched => {
var can_execute = new Subject<bool>();
var fixture = createCommand(can_execute, sched);
var changes_as_observable = fixture.CanExecuteObservable.CreateCollection();
int change_event_count = 0;
fixture.CanExecuteChanged += (o, e) => { change_event_count++; };
input.Run(x => {
can_execute.OnNext(x);
sched.Start();
Assert.Equal(x, fixture.CanExecute(null));
});
// N.B. We check against '5' instead of 6 because we're supposed to
// suppress changes that aren't actually changes i.e. false => false
sched.AdvanceToMs(10 * 1000);
return changes_as_observable;
});
input.DistinctUntilChanged().AssertAreEqual(result.ToList());
}
public void MessageBusSmokeTest()
{
var input = new[] {1, 2, 3, 4};
var result = (new TestScheduler()).With(sched => {
var source = new Subject<int>();
var fixture = new MessageBus();
fixture.RegisterMessageSource(source, "Test");
Assert.False(fixture.IsRegistered(typeof (int)));
Assert.False(fixture.IsRegistered(typeof (int), "Foo"));
var output = fixture.Listen<int>("Test").CreateCollection();
input.Run(source.OnNext);
sched.Start();
return output;
});
input.AssertAreEqual(result);
}
public void MultipleSubscribesShouldntResultInMultipleNotifications()
{
var input = new[] { 1, 2, 1, 2 };
var sched = new TestScheduler();
var fixture = createCommand(null, sched);
var odd_list = new List<int>();
var even_list = new List<int>();
fixture.Where(x => ((int)x) % 2 != 0).Subscribe(x => odd_list.Add((int)x));
fixture.Where(x => ((int)x) % 2 == 0).Subscribe(x => even_list.Add((int)x));
input.Run(x => fixture.Execute(x));
sched.AdvanceToMs(1000);
new[]{1,1}.AssertAreEqual(odd_list);
new[]{2,2}.AssertAreEqual(even_list);
}