public void AddAndRemoveLists()
{
_source1.AddRange(Enumerable.Range(1, 5));
_source2.AddRange(Enumerable.Range(6, 5));
_source3.AddRange(Enumerable.Range(1, 5));
_source.Add(_source1.Connect());
_source.Add(_source2.Connect());
_source.Add(_source3.Connect());
var result = Enumerable.Range(6, 5);
Assert.AreEqual(5, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
_source.RemoveAt(0);
result = Enumerable.Range(1, 5).Union(Enumerable.Range(6, 5));
Assert.AreEqual(10, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
_source.Add(_source1.Connect());
result = Enumerable.Range(6, 5);
Assert.AreEqual(5, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
}
public void AddAndRemoveLists()
{
_source1.AddRange(Enumerable.Range(1, 5));
_source2.AddRange(Enumerable.Range(6, 5));
_source3.AddRange(Enumerable.Range(1, 5));
_source.Add(_source1.Connect());
_source.Add(_source2.Connect());
_source.Add(_source3.Connect());
var result = Enumerable.Range(6, 5);
_results.Data.Count.Should().Be(5);
_results.Data.Items.ShouldAllBeEquivalentTo(result);
_source.RemoveAt(0);
result = Enumerable.Range(1, 5).Union(Enumerable.Range(6, 5));
_results.Data.Count.Should().Be(10);
_results.Data.Items.ShouldAllBeEquivalentTo(result);
_source.Add(_source1.Connect());
result = Enumerable.Range(6, 5);
_results.Data.Count.Should().Be(5);
_results.Data.Items.ShouldAllBeEquivalentTo(result);
}
public void RemoveIsUnsubscribed()
{
_source.Add(new SubscribeableObject(1));
_source.RemoveAt(0);
Assert.AreEqual(2, _results.Messages.Count, "Should be 2 updates");
Assert.AreEqual(0, _results.Data.Count, "Should be 0 items in the cache");
Assert.AreEqual(false, _results.Messages[1].First().Item.Current.IsSubscribed, "Should be be unsubscribed");
}
public void AddAndRemoveLists()
{
var items = _generator.Take(100).ToArray();
_source1.AddOrUpdate(items.Take(20));
_source2.AddOrUpdate(items.Skip(10).Take(10));
_source.Add(_source1.Connect());
_source.Add(_source2.Connect());
Assert.AreEqual(10, _results.Data.Count);
CollectionAssert.AreEquivalent(items.Skip(10).Take(10), _results.Data.Items);
_source.Add(_source3.Connect());
Assert.AreEqual(0, _results.Data.Count);
_source.RemoveAt(2);
Assert.AreEqual(10, _results.Data.Count);
}
public void AddAndRemoveLists()
{
var items = _generator.Take(100).ToArray();
_source1.AddOrUpdate(items.Take(20));
_source2.AddOrUpdate(items.Skip(10).Take(10));
_source.Add(_source1.Connect());
_source.Add(_source2.Connect());
_results.Data.Count.Should().Be(10);
_results.Data.Items.Should().BeEquivalentTo(items.Skip(10).Take(10));
_source.Add(_source3.Connect());
_results.Data.Count.Should().Be(0);
_source.RemoveAt(2);
_results.Data.Count.Should().Be(10);
}
public void AddAndRemoveLists()
{
_source1.AddRange(Enumerable.Range(1, 5));
_source2.AddRange(Enumerable.Range(6, 5));
_source3.AddRange(Enumerable.Range(100, 5));
_source.Add(_source1.Connect());
_source.Add(_source2.Connect());
_source.Add(_source3.Connect());
var result = Enumerable.Range(1, 5);
_results.Data.Count.Should().Be(5);
_results.Data.Items.Should().BeEquivalentTo(result);
_source2.Edit(
innerList =>
{
innerList.Clear();
innerList.AddRange(Enumerable.Range(3, 5));
});
result = Enumerable.Range(1, 2);
_results.Data.Count.Should().Be(2);
_results.Data.Items.Should().BeEquivalentTo(result);
_source.RemoveAt(1);
result = Enumerable.Range(1, 5);
_results.Data.Count.Should().Be(5);
_results.Data.Items.Should().BeEquivalentTo(result);
_source.Add(_source2.Connect());
result = Enumerable.Range(1, 2);
_results.Data.Count.Should().Be(2);
_results.Data.Items.Should().BeEquivalentTo(result);
//remove root except
_source.RemoveAt(0);
result = Enumerable.Range(100, 5);
_results.Data.Count.Should().Be(5);
_results.Data.Items.Should().BeEquivalentTo(result);
}
public void AddAndRemoveLists()
{
_source1.AddRange(Enumerable.Range(1, 5));
_source2.AddRange(Enumerable.Range(6, 5));
_source3.AddRange(Enumerable.Range(100, 5));
_source.Add(_source1.Connect());
_source.Add(_source2.Connect());
_source.Add(_source3.Connect());
var result = Enumerable.Range(1, 5);
Assert.AreEqual(5, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
_source2.Edit(innerList =>
{
innerList.Clear();
innerList.AddRange(Enumerable.Range(3, 5));
});
result = Enumerable.Range(1, 2);
Assert.AreEqual(2, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
_source.RemoveAt(1);
result = Enumerable.Range(1, 5);
Assert.AreEqual(5, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
_source.Add(_source2.Connect());
result = Enumerable.Range(1, 2);
Assert.AreEqual(2, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
//remove root except
_source.RemoveAt(0);
result = Enumerable.Range(100, 5);
Assert.AreEqual(5, _results.Data.Count);
CollectionAssert.AreEquivalent(result, _results.Data.Items);
}
public void RemoveBeforeShiftsPage()
{
var people = _generator.Take(100).ToArray();
_source.AddRange(people);
_controller.Virtualise(new VirtualRequest(25, 25));
_source.RemoveAt(0);
var expected = people.Skip(26).Take(25).ToArray();
CollectionAssert.AreEqual(expected, _results.Data.Items);
var removedMessage = _results.Messages[2].ElementAt(0);
var removedPerson = people.ElementAt(25);
Assert.AreEqual(removedPerson, removedMessage.Item.Current);
Assert.AreEqual(ListChangeReason.Remove, removedMessage.Reason);
var addedMessage = _results.Messages[2].ElementAt(1);
var addedPerson = people.ElementAt(50);
Assert.AreEqual(addedPerson, addedMessage.Item.Current);
Assert.AreEqual(ListChangeReason.Add, addedMessage.Reason);
}
public void Remove()
{
var people = _generator.Take(100).ToList();
_source.AddRange(people);
var toRemove = people.ElementAt(20);
people.RemoveAt(20);
_source.RemoveAt(20);
Assert.AreEqual(99, _results.Data.Count, "Should be 99 people in the cache");
Assert.AreEqual(2, _results.Messages.Count, "Should be 2 update messages");
Assert.AreEqual(toRemove, _results.Messages[1].First().Item.Current, "Incorrect item removed");
var expectedResult = people.OrderBy(p => p, _comparer);
var actualResult = _results.Data.Items;
CollectionAssert.AreEquivalent(expectedResult, actualResult);
}
public void RemoveBeforeShiftsPage()
{
var people = _generator.Take(100).ToArray();
_source.AddRange(people);
_requestSubject.OnNext(new PageRequest(2, 25));
_source.RemoveAt(0);
var expected = people.Skip(26).Take(25).ToArray();
_results.Data.Items.ShouldAllBeEquivalentTo(expected);
var removedMessage = _results.Messages[2].ElementAt(0);
var removedPerson = people.ElementAt(25);
removedMessage.Item.Current.Should().Be(removedPerson);
removedMessage.Reason.Should().Be(ListChangeReason.Remove);
var addedMessage = _results.Messages[2].ElementAt(1);
var addedPerson = people.ElementAt(50);
addedMessage.Item.Current.Should().Be(addedPerson);
addedMessage.Reason.Should().Be(ListChangeReason.Add);
}
public void FormNewListFromChanges()
{
_source.Clear();
_source.AddRange(Enumerable.Range(1, 100));
// Collect preview messages about even numbers only
var aggregator = _source.Preview(i => i % 2 == 0).AsAggregator();
_source.RemoveAt(10);
_source.RemoveRange(10, 5);
// Trigger changes
_source.Add(1);
_source.Add(2);
Assert.True(aggregator.Messages.Count == 1);
Assert.True(aggregator.Messages[0].Count == 1);
Assert.True(aggregator.Messages[0].First().Item.Current == 2);
Assert.True(aggregator.Messages[0].First().Reason == ListChangeReason.Add);
// Cleanup
aggregator.Dispose();
}
public void ForceError()
{
var person = _generator.Take(1).First();
_source.RemoveAt(1);
}
public void ForceError()
{
var person = _generator.Take(1).First();
Assert.Throws <ArgumentOutOfRangeException>(() => _source.RemoveAt(1));
}
public void RemoveAt(int index)
{
_sourceList.RemoveAt(index);
}