public void RemoveFilteredRange()
{
var people = Enumerable.Range(1, 10).Select(i => new Person("P" + i, i)).ToArray();
_source.AddRange(people);
_results.Data.Count.Should().Be(0, "Should be 0 people in the cache");
_filter.OnNext(p => p.Age > 5);
_results.Data.Count.Should().Be(5, "Should be 5 people in the cache");
_source.RemoveRange(5, 5);
_results.Data.Count.Should().Be(0, "Should be 0 people in the cache");
}
public void RemoveRange()
{
var frientofchild1 = new PersonWithRelations("Friend1", 10);
var child1 = new PersonWithRelations("Child1", 10, new[] { frientofchild1 });
var child2 = new PersonWithRelations("Child2", 8);
var child3 = new PersonWithRelations("Child3", 8);
var mother = new PersonWithRelations("Mother", 35, new[] { child1, child2, child3 });
var child4 = new PersonWithRelations("Child4", 1);
var child5 = new PersonWithRelations("Child5", 2);
var anotherRelative1 = new PersonWithRelations("Another1", 2, new[] { child4, child5 });
var child6 = new PersonWithRelations("Child6", 1);
var child7 = new PersonWithRelations("Child7", 2);
var anotherRelative2 = new PersonWithRelations("Another2", 2, new[] { child6, child7 });
_source.AddRange(new[] { mother, anotherRelative1, anotherRelative2 });
_source.RemoveRange(0, 2);
_results.Data.Count.Should().Be(2);
_results.Data.Items.ShouldAllBeEquivalentTo(new[] { child6, child7 });
}
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 RemoveRange()
{
_source.AddRange(Enumerable.Range(1, 5));
_source.RemoveRange(1, 3);
_results.Data.Items.ShouldAllBeEquivalentTo(new[] { 5, 1 });
}
public void RemoveRange()
{
_source.AddRange(Enumerable.Range(1, 5));
_source.RemoveRange(1, 3);
CollectionAssert.AreEquivalent(new[] { 5, 1 }, _results.Data.Items);
}