public void AddRangeTest()
{
var collection = new ResettableObservableCollection <Item>();
var invokeCount = 0;
Item[] items = { new Item(), new Item(), };
NotifyCollectionChangedEventHandler handler = (object sender, NotifyCollectionChangedEventArgs e) =>
{
++invokeCount;
Assert.IsTrue(e.Action == NotifyCollectionChangedAction.Add);
Assert.IsTrue(e.OldItems == null);
Assert.IsTrue(e.NewItems != null);
Assert.IsTrue(e.OldStartingIndex == -1);
Assert.IsTrue(e.NewStartingIndex == 0);
Assert.IsTrue(e.NewItems.Count == items.Length);
Assert.IsTrue(e.NewItems.Cast <Item>().SequenceEqual(items));
};
collection.CollectionChanged += handler;
collection.AddRange(items);
collection.CollectionChanged -= handler;
Assert.IsTrue(invokeCount == 1);
}
public override void Initialise(ItemsControl todoList,
ResettableObservableCollection <ShoppingItemViewModel> todoItems)
{
base.Initialise(todoList, todoItems);
SetFrameReporting();
}
public virtual void Initialise(ItemsControl todoList, ResettableObservableCollection<ToDoItemViewModel> todoItems)
{
_todoList = todoList;
_todoItems = todoItems;
// when the ItemsControl has been rendered, we can locate the ScrollViewer
// that is within its template.
_todoList.InvokeOnNextLayoutUpdated(() => LocateScrollViewer());
IsEnabled = true;
}
public virtual void Initialise(ItemsControl todoList, ResettableObservableCollection <ToDoItemViewModel> todoItems)
{
_todoList = todoList;
_todoItems = todoItems;
// when the ItemsControl has been rendered, we can locate the ScrollViewer
// that is within its template.
_todoList.InvokeOnNextLayoutUpdated(() => LocateScrollViewer());
IsEnabled = true;
}
public void ClearTest()
{
var collection = new ResettableObservableCollection <Item>();
var invokeCount = 0;
Item[] items = { new Item(), new Item(), };
collection.AddRange(items);
NotifyCollectionChangedEventHandler handler = (object sender, NotifyCollectionChangedEventArgs e) =>
{
++invokeCount;
switch (e.Action)
{
case NotifyCollectionChangedAction.Remove:
Assert.IsTrue(invokeCount == 1);
Assert.IsTrue(e.OldItems != null);
Assert.IsTrue(e.NewItems == null);
Assert.IsTrue(e.OldStartingIndex == 0);
Assert.IsTrue(e.NewStartingIndex == -1);
Assert.IsTrue(e.OldItems.Count == items.Length);
Assert.IsTrue(e.OldItems.Cast <Item>().SequenceEqual(items));
break;
case NotifyCollectionChangedAction.Reset:
Assert.IsTrue(invokeCount == 2);
Assert.IsTrue(e.OldItems == null);
Assert.IsTrue(e.NewItems == null);
Assert.IsTrue(e.OldStartingIndex == -1);
Assert.IsTrue(e.NewStartingIndex == -1);
break;
default:
Assert.Fail();
break;
}
};
collection.CollectionChanged += handler;
collection.Clear();
collection.CollectionChanged -= handler;
Assert.IsTrue(invokeCount == 2);
}
public override void Initialise(ItemsControl todoList, ResettableObservableCollection <ToDoItemViewModel> todoItems)
{
base.Initialise(todoList, todoItems);
Touch.FrameReported += new TouchFrameEventHandler(Touch_FrameReported);
}
public override void Initialise(ItemsControl todoList, ResettableObservableCollection <ToDoItemViewModel> todoItems)
{
base.Initialise(todoList, todoItems);
todoList.KeyUp += ItemsControl_KeyUp;
}
public override void Initialise(ItemsControl todoList, ResettableObservableCollection<ToDoItemViewModel> todoItems)
{
base.Initialise(todoList, todoItems);
Touch.FrameReported += new TouchFrameEventHandler(Touch_FrameReported);
}
