Attachment 260280 Details for Bug 438650

Unit Test

TreeViewTest.diff.cs (text/plain), 1.88 KB, created by John Mortlock on 2008-12-16 11:46:10 UTC

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Creator: John Mortlock

Created: 2008-12-16 11:46:10 UTC

Size: 1.88 KB

patch

obsolete

>Index: TreeViewTest.cs
>===================================================================
>--- TreeViewTest.cs	(revision 121580)
>+++ TreeViewTest.cs	(working copy)
>@@ -11,6 +11,51 @@
> 	[TestFixture]
> 	public class TreeViewTest : TestHelper
> 	{
>+		[Test] // bug #438650
>+		public void ClearNodesDuringSelection ()
>+		{
>+			Form f = new Form ();
>+			try
>+			{
>+				TestTreeView tv = new TestTreeView ();
>+				tv.FullRowSelect = true;
>+				tv.Parent = f;
>+				tv.NodeMouseClick += new TreeNodeMouseClickEventHandler (delegate (object sender, TreeNodeMouseClickEventArgs e) { e.Node.Nodes.Clear ();});
>+
>+				int NodeHeight = 0;
>+				for (int i = 0; i < 10; i++)
>+				{
>+					TreeNode n = new TreeNode (string.Format ("Node {0}", i));
>+					tv.Nodes.Add (n);
>+					NodeHeight = n.Bounds.Height;
>+				}
>+
>+				Exception ex = null;
>+				f.Load += delegate
>+				{
>+					try
>+					{
>+						tv.MouseDownNode (0, 0);
>+						tv.MouseUpNode (0, 0);
>+						tv.MouseDownNode (0, NodeHeight + 1);
>+						tv.MouseUpNode (0, NodeHeight + 1);
>+					}
>+					catch (Exception e)
>+					{
>+						ex = e;
>+					}
>+				};
>+
>+				f.Show ();
>+
>+				Assert.IsNull (ex, "Exception was raised during node selection");
>+			}
>+			finally
>+			{
>+				f.Dispose ();
>+			}
>+		}
>+
> 		[Test] // bug #80620
> 		public void ClientRectangle_Borders ()
> 		{
>@@ -688,4 +733,32 @@
> 		}
> 	}
> #endif
>+
>+	internal class TestTreeView : TreeView
>+	{
>+		private int MakeLParam (int LoWord, int HiWord)
>+		{
>+			return ((HiWord << 16) | (LoWord & 0xffff));
>+		}
>+
>+		private void SendEvent (int Msg, int X, int Y)
>+		{
>+			Message m = new Message ();
>+			m.Msg = Msg;
>+			m.WParam = (IntPtr)0x01;
>+			m.LParam = (IntPtr)MakeLParam (X, Y);
>+			m.HWnd = this.Handle;
>+			this.WndProc (ref m);
>+		}
>+
>+		public void MouseDownNode (int X, int Y)
>+		{
>+			SendEvent (0x201, X, Y);
>+		}
>+
>+		public void MouseUpNode (int X, int Y)
>+		{
>+			SendEvent (0x202, X, Y);
>+		}
>+	}
> }

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Attachments on bug 438650: 260056 | 260280