public void CannotRefreshTest()
{
ObservableCollection <TestClass> collection = new ObservableCollection <TestClass>()
{
new TestClass()
};
PagedCollectionView pcv = new PagedCollectionView(collection);
// show that we will throw an exception if we try to change the PageSize while adding
pcv.AddNew();
PagedCollectionViewTest.AssertExpectedException(
new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, PagedCollectionViewResources.OperationNotAllowedDuringAddOrEdit, "Refresh")),
delegate
{
pcv.Refresh();
});
pcv.CancelNew();
// show that we will throw an exception if we try to change the PageSize while editing
pcv.EditItem(pcv[0]);
PagedCollectionViewTest.AssertExpectedException(
new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, PagedCollectionViewResources.OperationNotAllowedDuringAddOrEdit, "Refresh")),
delegate
{
pcv.Refresh();
});
}
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();
});
}
public void CannotChangePageSize()
{
ObservableCollection <TestClass> collection = new ObservableCollection <TestClass>()
{
new TestClass()
};
PagedCollectionView pcv = new PagedCollectionView(collection);
// show that we will throw an exception if we try to change the PageSize while adding
pcv.AddNew();
PagedCollectionViewTest.AssertExpectedException(
new InvalidOperationException(PagedCollectionViewResources.ChangingPageSizeNotAllowedDuringAddOrEdit),
delegate
{
pcv.PageSize = 10;
});
pcv.CancelNew();
// show that we will throw an exception if we try to change the PageSize while editing
pcv.EditItem(pcv[0]);
PagedCollectionViewTest.AssertExpectedException(
new InvalidOperationException(PagedCollectionViewResources.ChangingPageSizeNotAllowedDuringAddOrEdit),
delegate
{
pcv.PageSize = 10;
});
}