public void RemoveItemAfterSubscribing()
{
var source = new ObservableList<ObservableList<string>>();
ImmutableList<string> result = ImmutableList<string>.Empty;
source.ToLiveLinq()
.SelectMany((list, _) => list.ToLiveLinq())
.ToObservableEnumerable().Subscribe(value => result = value);
source.Add(new ObservableList<string>());
source.RemoveAt(0);
result.Should().BeEmpty();
}
public void DisposeSubscription_ThenRemoveItem()
{
var source = new ObservableList<ObservableList<string>>();
ImmutableList<string> result = ImmutableList<string>.Empty;
var subscription = source.ToLiveLinq()
.SelectMany((list, _) => list.ToLiveLinq())
.ToObservableEnumerable().Subscribe(value => result = value);
source.Add(new ObservableList<string>());
source.Add(new ObservableList<string>());
source[0].Add("a");
source[1].Add("c");
subscription.Dispose();
source.RemoveAt(1);
result.Should().ContainInOrder("a", "c");
}
public void WhereThenSelect()
{
var coll1 = new ObservableList<SelectObservableCollectionViewModel>();
var result = coll1.ToLiveLinq().Where(nested => nested.Name.Select(val => val.Length > 2).Snapshot())
.Select(nested => nested.Name.AsObservable()).ToReadOnlyObservableList();
result.Count.Should().Be(0);
coll1.Add(new SelectObservableCollectionViewModel(string.Empty));
result.Count.Should().Be(0);
coll1[0].Name.Value = "test";
result.Count.Should().Be(1);
result[0].Should().Be("test");
coll1[0].Name.Value = "test2";
result.Count.Should().Be(1);
result[0].Should().Be("test2");
coll1[0].Name.Value = "t";
result.Count.Should().Be(0);
}
public void AddItemAfterSubscribing_AddSubItemsAfterSubscribing()
{
var source = new ObservableList<ObservableList<string>>();
ImmutableList<string> result = ImmutableList<string>.Empty;
source.ToLiveLinq()
.SelectMany((list, _) => list.ToLiveLinq())
.ToObservableEnumerable().Subscribe(value => result = value);
source.Add(new ObservableList<string>());
source.Add(new ObservableList<string>());
source[0].Add("a");
source[0].Add("b");
source[1].Add("c");
source[1].Add("d");
result.Should().ContainInOrder("a", "b", "c", "d");
}
public void AddItemBeforeSubscribing_AddSubItemsBeforeSubscribing_RemoveSubItemsAfterSubscribing()
{
var source = new ObservableList<ObservableList<string>>();
ImmutableList<string> result = ImmutableList<string>.Empty;
source.Add(new ObservableList<string>());
source.Add(new ObservableList<string>());
source[0].Add("a");
source[0].Add("b");
source[1].Add("c");
source[1].Add("d");
source.ToLiveLinq()
.SelectMany((list, _) => list.ToLiveLinq())
.ToObservableEnumerable().Subscribe(value => result = value);
source[0].Clear();
source[1].Clear();
result.Should().BeEmpty();
}
