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 OnCollectionChangedTest()
{
List<EditableTestClass> efbList = new List<EditableTestClass>();
ObservableCollection<TestClass> fbCollection = new ObservableCollection<TestClass>();
PagedCollectionView pcv1 = new PagedCollectionView(efbList);
PagedCollectionView pcv2 = new PagedCollectionView(fbCollection);
pcv1.CollectionChanged += new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
pcv2.CollectionChanged += new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
this._expectedAction = NotifyCollectionChangedAction.Reset;
this.AssertExpectedEvent(delegate { pcv1.Refresh(); });
this._expectedAction = NotifyCollectionChangedAction.Reset;
this.AssertExpectedEvent(delegate { fbCollection.Clear(); });
this._expectedAction = NotifyCollectionChangedAction.Add;
this.AssertExpectedEvent(delegate { fbCollection.Add(new TestClass()); });
EditableTestClass efb;
this._expectedAction = NotifyCollectionChangedAction.Add;
this.AssertExpectedEvent(delegate { efb = pcv1.AddNew() as EditableTestClass; });
pcv1.CommitNew();
// Add, then Cancel to fire a Remove
this._expectedAction = NotifyCollectionChangedAction.Add;
this.AssertExpectedEvent(delegate { pcv1.AddNew(); });
this._expectedAction = NotifyCollectionChangedAction.Remove;
this.AssertExpectedEvent(delegate { pcv1.CancelNew(); });
// Set PageSize to 1 to Reset
this._expectedAction = NotifyCollectionChangedAction.Reset;
this.AssertExpectedEvent(delegate { pcv1.PageSize = 1; });
// Remove an Item
this._expectedAction = NotifyCollectionChangedAction.Remove;
this.AssertExpectedEvent(delegate { pcv1.RemoveAt(0); });
pcv2.CollectionChanged -= new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
pcv1.CollectionChanged -= new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
}
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;
});
}
