public void TreeNodeCollection_ViewState () {
PokerTreeView orig = new PokerTreeView ();
orig.DoTrackViewState ();
BuildTree (orig);
PokerTreeView copy = new PokerTreeView ();
copy.DoTrackViewState ();
object state = orig.DoSaveViewState ();
copy.DoLoadViewState (state);
// restored collection that was created after TrackViewState
Assert.AreEqual (1, copy.Nodes.Count, "TreeNodeCollection_ViewState#1");
Assert.AreEqual (2, copy.Nodes [0].ChildNodes.Count, "TreeNodeCollection_ViewState#2");
Assert.AreEqual (0, copy.Nodes [0].ChildNodes [0].ChildNodes.Count, "TreeNodeCollection_ViewState#3");
Assert.AreEqual ("node1", copy.Nodes [0].ChildNodes [0].Text, "TreeNodeCollection_ViewState#4");
Assert.AreEqual ("value-node1", copy.Nodes [0].ChildNodes [0].Value, "TreeNodeCollection_ViewState#5");
Assert.AreEqual (false, copy.Nodes [0].ChildNodes [0].DataBound, "TreeNodeCollection_ViewState#6");
Assert.AreEqual ("", copy.Nodes [0].ChildNodes [0].DataPath, "TreeNodeCollection_ViewState#7");
PokerTreeView orig2 = new PokerTreeView ();
BuildTree (orig2);
orig2.DoTrackViewState ();
orig2.Nodes [0].ChildNodes [0].Text = "changed text 1";
orig2.Nodes [0].ChildNodes [0].Value = "changed value 1";
PokerTreeView copy2 = new PokerTreeView ();
BuildTree (copy2);
copy2.DoTrackViewState ();
object state2 = orig2.DoSaveViewState ();
copy2.DoLoadViewState (state2);
// restored collection that was changed (item's properties only) after TrackViewState
Assert.AreEqual (1, copy2.Nodes.Count, "TreeNodeCollection_ViewState#8");
Assert.AreEqual (2, copy2.Nodes [0].ChildNodes.Count, "TreeNodeCollection_ViewState#9");
Assert.AreEqual (0, copy2.Nodes [0].ChildNodes [0].ChildNodes.Count, "TreeNodeCollection_ViewState#10");
Assert.AreEqual ("changed text 1", copy2.Nodes [0].ChildNodes [0].Text, "TreeNodeCollection_ViewState#11");
Assert.AreEqual ("changed value 1", copy2.Nodes [0].ChildNodes [0].Value, "TreeNodeCollection_ViewState#12");
Assert.AreEqual (false, copy2.Nodes [0].ChildNodes [0].DataBound, "TreeNodeCollection_ViewState#13");
Assert.AreEqual ("", copy2.Nodes [0].ChildNodes [0].DataPath, "TreeNodeCollection_ViewState#14");
PokerTreeView orig3 = new PokerTreeView ();
BuildTree (orig3);
orig3.DoTrackViewState ();
orig3.Nodes [0].ChildNodes [0].Text = "changed text 1";
orig3.Nodes [0].ChildNodes [0].Value = "changed value 1";
orig3.Nodes [0].ChildNodes.RemoveAt (1);
PokerTreeView copy3 = new PokerTreeView ();
BuildTree (copy3);
copy3.DoTrackViewState ();
object state3 = orig3.DoSaveViewState ();
copy3.DoLoadViewState (state3);
// restored collection that was changed after TrackViewState
Assert.AreEqual (1, copy3.Nodes.Count, "TreeNodeCollection_ViewState#15");
Assert.AreEqual (1, copy3.Nodes [0].ChildNodes.Count, "TreeNodeCollection_ViewState#16");
Assert.AreEqual (0, copy3.Nodes [0].ChildNodes [0].ChildNodes.Count, "TreeNodeCollection_ViewState#17");
Assert.AreEqual ("changed text 1", copy3.Nodes [0].ChildNodes [0].Text, "TreeNodeCollection_ViewState#18");
Assert.AreEqual ("changed value 1", copy3.Nodes [0].ChildNodes [0].Value, "TreeNodeCollection_ViewState#19");
Assert.AreEqual (false, copy3.Nodes [0].ChildNodes [0].DataBound, "TreeNodeCollection_ViewState#20");
Assert.AreEqual ("", copy3.Nodes [0].ChildNodes [0].DataPath, "TreeNodeCollection_ViewState#21");
}