public void CannotSortTest()
{
List<TestClass> intList = new List<TestClass>() { new TestClass() };
PagedCollectionView pcv = new PagedCollectionView(intList);
// we are not allowed to sort during an edit operation
pcv.EditItem(pcv[0]);
PagedCollectionViewTest.AssertExpectedException(
new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, PagedCollectionViewResources.OperationNotAllowedDuringAddOrEdit, "Sorting")),
delegate
{
pcv.SortDescriptions.Clear();
});
pcv.CommitEdit();
// we are not allowed to sort during an add new operation
pcv.AddNew();
PagedCollectionViewTest.AssertExpectedException(
new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, PagedCollectionViewResources.OperationNotAllowedDuringAddOrEdit, "Sorting")),
delegate
{
pcv.SortDescriptions.Clear();
});
}