public void Test_GetEnumerator() { var a = LIST.GetEnumerator(); var b = _view.GetEnumerator(); while (a.MoveNext()) { b.MoveNext(); Assert.AreEqual(a.Current, b.Current); } }
public void GroupsEnumeratorTest() { CollectionView.GroupDescriptions.Add(new PropertyGroupDescription("StringProperty")); // Test the Enumerator on the Groups IEnumerator groupEnumerator = CollectionView.GetEnumerator(); int count = 0; while (groupEnumerator.MoveNext()) { Assert.AreEqual(CollectionView[count], groupEnumerator.Current); count++; } }
public void GetEnumeratorTest() { // check that we get the correct item for each index in the source collection IEnumerator enumerator = CollectionView.GetEnumerator(); foreach (TestClass item in SourceCollection) { enumerator.MoveNext(); Assert.AreEqual(item, enumerator.Current); } // check that when we have paging, the enumerator only returns the items on // the current page CollectionView.PageSize = 5; int count = 0; enumerator = CollectionView.GetEnumerator(); while (enumerator.MoveNext()) { count++; } Assert.AreEqual(5, count); // verify that when we have grouping, we will still fetch the correct items // from the group to enumerate through CollectionView.GroupDescriptions.Add(new PropertyGroupDescription("IntProperty")); count = 0; enumerator = CollectionView.GetEnumerator(); while (enumerator.MoveNext()) { // show that we are getting the items from the correct group Assert.AreEqual(1, (enumerator.Current as TestClass).IntProperty); count++; } Assert.AreEqual(5, count); }