public void ItemsAddedAndRemovedTest()
{
var fixture = new ReactiveCollection<int>();
var before_added = new List<int>();
var before_removed = new List<int>();
var added = new List<int>();
var removed = new List<int>();
fixture.BeforeItemsAdded.Subscribe(before_added.Add);
fixture.BeforeItemsRemoved.Subscribe(before_removed.Add);
fixture.ItemsAdded.Subscribe(added.Add);
fixture.ItemsRemoved.Subscribe(removed.Add);
fixture.Add(10);
fixture.Add(20);
fixture.Add(30);
fixture.RemoveAt(1);
fixture.Clear();
var added_results = new[]{10,20,30};
Assert.AreEqual(added_results.Length, added.Count);
added_results.AssertSequenceAreEqual(added);
var removed_results = new[]{20};
Assert.AreEqual(removed_results.Length, removed.Count);
removed_results.AssertSequenceAreEqual(removed);
Assert.AreEqual(before_added.Count, added.Count);
added.AssertSequenceAreEqual(before_added);
Assert.AreEqual(before_removed.Count, removed.Count);
removed.AssertSequenceAreEqual(before_removed);
}
public void ObservableCanExecuteShouldShowUpInCommand()
{
(new TestScheduler()).With(sched => {
var input = new[] { true, true, false, true, false, false };
var expected = new[] { true, false, true, false };
var inputObs = input.ToObservable().Multicast(new Subject<bool>());
var fixture = new ReactiveCommand(inputObs);
var results = new List<bool>();
fixture.CanExecuteObservable.Subscribe(x => results.Add(x));
inputObs.Connect();
sched.Start();
expected.AssertSequenceAreEqual(results);
});
}
public void CollectionCountChangedTest()
{
var fixture = new ReactiveCollection<int>();
var before_output = new List<int>();
var output = new List<int>();
fixture.CollectionCountChanging.Subscribe(before_output.Add);
fixture.CollectionCountChanged.Subscribe(output.Add);
fixture.Add(10);
fixture.Add(20);
fixture.Add(30);
fixture.RemoveAt(1);
fixture.Clear();
var before_results = new[] {0,1,2,3,2};
Assert.AreEqual(before_results.Length, before_output.Count);
before_results.AssertSequenceAreEqual(before_output);
var results = new[]{1,2,3,2,0};
results.AssertSequenceAreEqual(output);
}