public void ReferenceCollectionChangedTest()
{
NotifyCollectionChangedEventArgs args = null;
// Initialize
Reference root = new Reference(String.Empty, "D:\\Data\\Project");
Reference folder1 = new Reference("folder1", ReferenceTargetKind.Directory);
Reference file1 = new Reference("file1.txt", ReferenceTargetKind.File);
Reference file2 = new Reference("file2.txt", ReferenceTargetKind.File);
Reference file3 = new Reference("file3.txt", ReferenceTargetKind.File);
root.CollectionChanged += new NotifyCollectionChangedEventHandler((sender, e) => args = e);
// Add item
args = null;
root.Add(folder1);
Assert.IsNotNull(args);
Assert.AreEqual(NotifyCollectionChangedAction.Add, args.Action);
Assert.AreEqual(1, args.NewItems.Count);
Assert.AreEqual(folder1, args.NewItems[0]);
Assert.IsNull(args.OldItems);
args = null;
folder1.Add(file1);
Assert.IsNull(args);
args = null;
root.Add(file2);
root.Add(file3);
Assert.IsNotNull(args);
// Remove
args = null;
root.Remove(file3);
Assert.IsNotNull(root);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, args.Action);
Assert.IsNull(args.NewItems);
Assert.AreEqual(1, args.OldItems.Count);
Assert.AreEqual(file3, args.OldItems[0]);
// Unparent
args = null;
file2.Unparent();
Assert.IsNotNull(args);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, args.Action);
Assert.IsNull(args.NewItems);
Assert.AreEqual(1, args.OldItems.Count);
Assert.AreEqual(file2, args.OldItems[0]);
// Clear
args = null;
root.Clear();
Assert.IsNotNull(args);
Assert.AreEqual(NotifyCollectionChangedAction.Reset, args.Action);
Assert.IsNull(args.NewItems);
Assert.IsNull(args.OldItems);
}
protected internal override void SetNewBuffer(ByteBuffer newBuffer)
{
_buffer.Clear();
_buffer = new SoftReference <ByteBuffer>(newBuffer);
}