public void TestCaseInsert()
{
var ocr = new ObservableCollectionRanged <string>();
int index = 0;
ocr.AddRange(names1);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNotNull(e.NewItems);
Assert.IsNull(e.OldItems);
Assert.IsTrue(e.NewItems.Count == names2.Count);
Assert.AreEqual(index, e.NewStartingIndex);
};
ocr.InsertRange(index, names2);
}
public void TestCaseInsertGrouped()
{
var ocr = new ObservableCollectionRanged <IGrouping <int, string> >();
int index = 0;
var groupedList1 = names1.GroupBy(s => s.Length);
ocr.AddRange(groupedList1);
var groupedList2 = names2.GroupBy(s => s.Length);
ocr.CollectionChanged += (sender, e) =>
{
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsNotNull(e.NewItems);
Assert.IsNull(e.OldItems);
Assert.IsTrue(e.NewItems.Count == groupedList2.Count());
Assert.AreEqual(index, e.NewStartingIndex);
};
ocr.InsertRange(index, groupedList2);
}