public void Assigning_Item_Should_Raise_CollectionChanged_Add()
        {
            var target  = new AvaloniaDictionary <string, string>();
            var tracker = new CollectionChangedTracker(target);

            target["foo"] = "bar";

            Assert.NotNull(tracker.Args);
            Assert.Equal(NotifyCollectionChangedAction.Add, tracker.Args.Action);
            Assert.Equal(-1, tracker.Args.NewStartingIndex);
            Assert.Equal(1, tracker.Args.NewItems.Count);
            Assert.Equal(new KeyValuePair <string, string>("foo", "bar"), tracker.Args.NewItems[0]);
        }
        public void Assigning_Item_Should_Raise_CollectionChanged_Add()
        {
            var target = new AvaloniaDictionary<string, string>();
            var tracker = new CollectionChangedTracker(target);

            target["foo"] = "bar";

            Assert.NotNull(tracker.Args);
            Assert.Equal(NotifyCollectionChangedAction.Add, tracker.Args.Action);
            Assert.Equal(-1, tracker.Args.NewStartingIndex);
            Assert.Equal(1, tracker.Args.NewItems.Count);
            Assert.Equal(new KeyValuePair<string, string>("foo", "bar"), tracker.Args.NewItems[0]);
        }
        public void Clearing_Collection_Should_Raise_CollectionChanged()
        {
            var target = new AvaloniaDictionary <string, string>();

            target["foo"] = "bar";
            target["baz"] = "qux";
            var tracker = new CollectionChangedTracker(target);

            target.Clear();

            Assert.NotNull(tracker.Args);
            Assert.Equal(NotifyCollectionChangedAction.Remove, tracker.Args.Action);
            Assert.Equal(-1, tracker.Args.OldStartingIndex);
            Assert.Equal(2, tracker.Args.OldItems.Count);
            Assert.Equal(new KeyValuePair <string, string>("foo", "bar"), tracker.Args.OldItems[0]);
        }
        public void Clearing_Collection_Should_Raise_CollectionChanged()
        {
            var target = new AvaloniaDictionary<string, string>();

            target["foo"] = "bar";
            target["baz"] = "qux";
            var tracker = new CollectionChangedTracker(target);
            target.Clear();

            Assert.NotNull(tracker.Args);
            Assert.Equal(NotifyCollectionChangedAction.Remove, tracker.Args.Action);
            Assert.Equal(-1, tracker.Args.OldStartingIndex);
            Assert.Equal(2, tracker.Args.OldItems.Count);
            Assert.Equal(new KeyValuePair<string, string>("foo", "bar"), tracker.Args.OldItems[0]);
        }