public void SortingWithLocalizationTest()
{
ObservableCollection<object> list = new ObservableCollection<object>() { "al:tinda", "ch:aque", "Cz:ech", "co:te", "hi:zli", "i:erigiyle" };
PagedCollectionView view = new PagedCollectionView(list);
// first test with the default InvariantCulture to see that it sorts in the correct order
view.Culture = CultureInfo.InvariantCulture;
view.SortDescriptions.Add(new SortDescription("", ListSortDirection.Descending));
Assert.AreEqual(view[0], "i:erigiyle");
Assert.AreEqual(view[1], "hi:zli");
Assert.AreEqual(view[2], "Cz:ech");
Assert.AreEqual(view[3], "co:te");
Assert.AreEqual(view[4], "ch:aque");
Assert.AreEqual(view[5], "al:tinda");
// now test with a Slovik culture applied to make sure that it sorts in the correct order
view.Culture = new CultureInfo("sk-SK");
view.Refresh();
Assert.AreEqual(view[0], "i:erigiyle");
Assert.AreEqual(view[1], "ch:aque");
Assert.AreEqual(view[2], "hi:zli");
Assert.AreEqual(view[3], "Cz:ech");
Assert.AreEqual(view[4], "co:te");
Assert.AreEqual(view[5], "al:tinda");
// now remove the second item and re-insert to verify that sorting with the CultureInfo
// allows it to be placed back in the same index
view.RemoveAt(1);
string str = "ch:aque";
list.Add(str);
Assert.AreEqual(str, view[1]);
}
public void ResetWithListBoxTest()
{
ObservableCollection<int> oc = new ObservableCollection<int>() { 1, 2, 4, 5 };
PagedCollectionView cv = new PagedCollectionView(oc);
ListBox lb = new ListBox();
lb.ItemsSource = cv;
this.CreateAsyncTask(
lb,
delegate
{
Assert.AreEqual(4, lb.Items.Count);
cv.Refresh();
Assert.AreEqual(4, lb.Items.Count);
oc.Insert(2, 3);
Assert.AreEqual(5, lb.Items.Count);
cv.Refresh();
Assert.AreEqual(5, lb.Items.Count);
});
EnqueueTestComplete();
}
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 RefreshWithNonIListSourceTest()
{
TestEnumerableCollection list = new TestEnumerableCollection();
list.Add(new TestClass { IntProperty = 1, StringProperty = "Test 1" });
list.Add(new TestClass { IntProperty = 2, StringProperty = "Test 2" });
PagedCollectionView pcv = new PagedCollectionView(list);
pcv.SortDescriptions.Add(new SortDescription("IntProperty", ListSortDirection.Ascending));
Assert.AreEqual(2, pcv.Count);
// add items to list and Refresh
list.Add(new TestClass() { IntProperty = 3, StringProperty = "Test 3" });
list.Add(new TestClass() { IntProperty = 4, StringProperty = "Test 4" });
pcv.Refresh();
Assert.AreEqual(4, pcv.Count);
// remove items from list and Refresh
list.RemoveAt(0);
list.RemoveAt(0);
pcv.Refresh();
Assert.AreEqual(2, pcv.Count);
}
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();
});
}