public void AddElementTest()
{
var outerCollection = new ObservableCollection <Observable>(Enumerable.Range(1, 10).Select(i => new Observable(2 * i + 1)));
var innerCollection = new ObservableCollection <Notify>(Enumerable.Range(1, 10).Select(i => new Notify {
Prop = i
}));
var ijrooc = new InnerJoinReadOnlyObservableCollection <Observable, Notify, int, int>(outerCollection, innerCollection,
x => x.Subject, x => x.ObserveAll().Select(i => i.Prop), (x, y) => System.Reactive.Linq.Observable.Return(x.Prop + y.Prop));
var copy = ijrooc.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>(
from x in outerCollection join y in innerCollection on x.Prop equals y.Prop select x.Prop + y.Prop);
Assert.IsTrue(expectedValues.SetEquals(ijrooc));
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, 10).Select(i => new Notify {
Prop = i
}));
var ijrooc = new InnerJoinReadOnlyObservableCollection <Observable, Notify, int, int>(outerCollection, innerCollection,
x => x.Subject, x => x.ObserveAll().Select(i => i.Prop), (x, y) => baseline.Select(v => v + x.Prop + y.Prop));
var copy = ijrooc.ListSelect(x => x);
outerCollection[8].Prop = 4;
innerCollection[8].Prop = 0;
var expectedValues = new HashSet <int>(
from x in outerCollection join y in innerCollection on x.Prop equals y.Prop select x.Prop + y.Prop);
Assert.IsTrue(expectedValues.SetEquals(ijrooc));
Assert.IsTrue(expectedValues.SetEquals(copy));
baseline.OnNext(2);
expectedValues = new HashSet <int>(
from x in outerCollection join y in innerCollection on x.Prop equals y.Prop select x.Prop + y.Prop + baseline.Value);
Assert.IsTrue(expectedValues.SetEquals(ijrooc));
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 = Enumerable.Range(2, 10).Select(i => new Notify {
Prop = i
});
var ijrooc = new InnerJoinReadOnlyObservableCollection <Observable, Notify, int, int>(outerCollection, innerCollection,
x => x.Subject, x => x.ObserveAll().Select(i => i.Prop), (x, y) => System.Reactive.Linq.Observable.Return(x.Prop + y.Prop));
var copy = ijrooc.ListSelect(x => x);
Assert.AreEqual(ijrooc.Count, 2);
Assert.IsTrue(new HashSet <int>(new[] { 4, 6 }).SetEquals(ijrooc));
}
