public void UndoAttributeChange()
{
XmlElement elem = doc.CreateElement("test");
doc.DocumentElement.AppendChild(elem);
XmlText t = doc.CreateTextNode("testval");
XmlAttribute a = doc.CreateAttribute("testatt");
a.AppendChild(t);
u = new UndoManager(null);
u.Attach(doc);
elem.SetAttributeNode(a);
u.Mark(null);
Assert.AreEqual("testval", elem.GetAttribute("testatt"), "Wrong initial value for attribute");
t.Value = "testval2";
// elem.SetAttribute("testatt", "testval2");
Assert.AreEqual("testval2", elem.GetAttribute("testatt"), "Wrong modified value for attribute");
u.Undo(null);
Assert.AreEqual("testval", elem.GetAttribute("testatt"), "Wrong value for attribute after undo");
}
public void UndoAttributeMove()
{
XmlElement elem1 = doc.CreateElement("test1");
XmlElement elem2 = doc.CreateElement("test2");
doc.DocumentElement.AppendChild(elem1);
doc.DocumentElement.AppendChild(elem2);
XmlAttribute a = doc.CreateAttribute("testatt");
a.Value = "testval";
elem1.SetAttributeNode(a);
u = new UndoManager(null);
u.Attach(doc);
u.Mark(null);
try
{
elem2.SetAttributeNode(a);
} catch (InvalidOperationException)
{
// this is what we're expecting - attrs cannot be moved
return;
}
Assert.AreEqual("", elem1.GetAttribute("testatt"), "Wrong value for attribute before undo");
u.Undo(null);
Assert.AreEqual("testval", elem1.GetAttribute("testatt"), "Wrong value for attribute after undo");
}
public void RedoWithAttributes()
{
XmlElement elem = doc.CreateElement("test");
u = new UndoManager(null);
u.Attach(doc);
// this was causing an error
elem.SetAttribute("testattr", "testval");
doc.DocumentElement.AppendChild(elem);
u.Undo(null);
u.Redo();
}
public void UndoWithPosition()
{
u = new UndoManager(this);
u.Attach(doc);
u.Mark(1);
XmlElement elem = doc.CreateElement("test");
doc.DocumentElement.AppendChild(elem);
object o = u.Undo(2);
Assert.IsTrue(o.Equals(99), "Expected 99 but got {0}", o);
}
public void UndoAttributeDelete()
{
XmlElement elem = doc.CreateElement("test");
doc.DocumentElement.AppendChild(elem);
elem.SetAttribute("testatt", "testval");
u = new UndoManager(null);
u.Attach(doc);
u.Mark(null);
elem.RemoveAttribute("testatt");
Assert.AreEqual("", elem.GetAttribute("testatt"), "Wrong value for attribute after undo");
u.Undo(null);
Assert.AreEqual("testval", elem.GetAttribute("testatt"), "Wrong initial value for attribute");
}
public void BugRedoNodeChanged()
{
XmlElement x = doc.CreateElement("x");
XmlElement y = doc.CreateElement("y");
x.AppendChild(y);
doc.DocumentElement.AppendChild(x);
u = new UndoManager(this);
u.Attach(doc);
u.Mark(null);
XmlElement z = doc.CreateElement("z");
SelectionManager.Change(Selection.Empty, x, z);
u.Undo(null);
u.Redo();
Assert.AreEqual(1, z.ChildNodes.Count, "Expected z to still have one node after redo");
}
