public void OAPHShouldSkipFirstValueIfItMatchesTheInitialValue()
{
var input = new[] { 1, 2, 3 }.ToObservable();
var output = new List<int>();
(new TestScheduler()).With(sched => {
var fixture = new ObservableAsPropertyHelper<int>(input,
x => output.Add(x), 1);
sched.Start();
Assert.Equal(input.LastAsync().Wait(), fixture.Value);
(new[] { 1, 2, 3 }).AssertAreEqual(output);
});
}
public void OAPHShouldFireChangeNotifications()
{
var input = new[] {1, 2, 3, 3, 4}.ToObservable();
var output = new List<int>();
(new TestScheduler()).With(sched => {
var fixture = new ObservableAsPropertyHelper<int>(input,
x => output.Add(x), -5);
sched.Start();
// Note: Why doesn't the list match the above one? We're supposed
// to suppress duplicate notifications, of course :)
(new[] { -5, 1, 2, 3, 4 }).AssertAreEqual(output);
});
}
public void Delta_ShouldReturnCorrectValue(
TestScheduler scheduler)
{
//arrange
var source = scheduler.CreateColdObservable(
OnNext(0, 0),
OnNext(1, 10),
OnNext(2, 8),
OnNext(3, 16),
OnNext(4, 20),
OnNext(5, 10));
//act
var actual = scheduler.Start(() => source.Delta((previous, current) => previous - current));
//assert
var expected = new[] {-10, 2, -8, -4, 10};
actual.Values().ShouldAllBeEquivalentTo(expected);
}
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);
}