public void AddElementTest()
{
var outerCollection = new ObservableCollection <Observable>(Enumerable.Range(1, 8).Select(i => new Observable(2 * i + 1)));
var innerCollection = new ObservableCollection <Notify>(Enumerable.Range(1, 10).Select(i => new Notify {
Prop = i
}));
var zrool = new ZipReadOnlyObservableList <Observable, Notify, int>(outerCollection, innerCollection,
(x, y) => System.Reactive.Linq.Observable.Return(x.Prop + y.Prop));
var copy = zrool.ListSelect(x => x);
outerCollection.Add(new Observable(99));
outerCollection.Insert(2, new Observable(8));
outerCollection.Add(new Observable(4));
innerCollection.Insert(0, new Notify {
Prop = 0
});
innerCollection.Add(new Notify {
Prop = 17
});
innerCollection.Insert(0, new Notify {
Prop = 13
});
var expectedValues = new HashSet <int>(outerCollection.Zip(innerCollection, (x, y) => x.Prop + y.Prop));
Assert.IsTrue(expectedValues.SetEquals(zrool));
Assert.IsTrue(expectedValues.SetEquals(copy));
}
public void TriggerTest()
{
var baseline = new System.Reactive.Subjects.BehaviorSubject <int>(0);
var outerCollection = new ObservableCollection <Observable>(Enumerable.Range(1, 10).Select(i => new Observable(2 * i + 1)));
var innerCollection = new ObservableCollection <Notify>(Enumerable.Range(1, 5).Select(i => new Notify {
Prop = i
}));
var zrool = new ZipReadOnlyObservableList <Observable, Notify, int>(outerCollection, innerCollection,
(x, y) => x.Subject.CombineLatest(y.ObserveAll().Select(b => b.Prop), (a, b) => a + b).CombineLatest(baseline, (a, b) => a + b));
var copy = zrool.ListSelect(x => x);
outerCollection[8].Prop = 4;
innerCollection[2].Prop = 0;
outerCollection[3].Prop = 100;
var expectedValues = new HashSet <int>(outerCollection.Zip(innerCollection, (x, y) => x.Prop + y.Prop + baseline.Value));
Assert.IsTrue(expectedValues.SetEquals(zrool));
Assert.IsTrue(expectedValues.SetEquals(copy));
baseline.OnNext(2);
expectedValues = new HashSet <int>(outerCollection.Zip(innerCollection, (x, y) => x.Prop + y.Prop + baseline.Value));
Assert.IsTrue(expectedValues.SetEquals(zrool));
Assert.IsTrue(expectedValues.SetEquals(copy));
}
public void IteratorTest()
{
var outerCollection = new ObservableCollection <Observable>(new List <Observable>()
{
new Observable(3), new Observable(2), new Observable(1)
});
var innerCollection = new ObservableCollection <Notify>(Enumerable.Range(2, 10).Select(i => new Notify {
Prop = i
}));
var zrool = new ZipReadOnlyObservableList <Observable, Notify, int>(outerCollection, innerCollection,
(x, y) => System.Reactive.Linq.Observable.Return(x.Prop + y.Prop));
Assert.AreEqual(zrool.Count, 3);
Assert.IsTrue(new HashSet <int>(new[] { 5, 5, 5 }).SetEquals(zrool));
}