public void addall_should_raise_collectionchanged_for_addeditems()
{
var valuesToAdd = new[] { 1, 2, 3 };
const int valueAlreadyAdded = 1;
bool eventWasRaised = false;
var observableSet = new ObservableSet <int> {
valueAlreadyAdded
};
observableSet.CollectionChanged += (sender, args) =>
{
sender.Should().Be.EqualTo(observableSet);
args.Action.Should().Be.EqualTo(NotifyCollectionChangedAction.Add);
args.NewItems.OfType <int>().Should().Have.SameSequenceAs(new[]
{
2,
3
});
args.NewItems.Contains(valueAlreadyAdded).Should().Be.False();
eventWasRaised = true;
};
observableSet.AddAll(valuesToAdd);
eventWasRaised.Should().Be.True();
}
public void addall_should_raise_propertychanged()
{
var valuesToAdd = new[] { 1, 2, 3 };
bool eventWasRaisedForCount = false;
bool eventWasRaisedForIsEmpty = false;
var observableSet = new ObservableSet <int>();
observableSet.PropertyChanged += (sender, args) =>
{
sender.Should().Be.EqualTo(observableSet);
if (args.PropertyName == ISEMPTY_PROPERTY_NAME)
{
eventWasRaisedForIsEmpty = true;
}
if (args.PropertyName == COUNT_PROPERTY_NAME)
{
eventWasRaisedForCount = true;
}
};
observableSet.AddAll(valuesToAdd);
eventWasRaisedForIsEmpty.Should().Be.True();
eventWasRaisedForCount.Should().Be.True();
}
public void addall_should_work()
{
var observableSet = new ObservableSet <int>();
observableSet.AddAll(new[] { 1, 2, 3 });
observableSet.Count.Should().Be.EqualTo(3);
observableSet.Should().Have.SameSequenceAs(new[] { 1, 2, 3 });
}