public void BasicFlow_CommitUndoRedo()
{
var data = new DataClass_Basic();
using (UndoRedoManager.Start("1"))
{
data.Prop1 = 1;
Assert.IsFalse(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
UndoRedoManager.Commit();
Assert.IsTrue(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
}
data.prop1Changed = false;
data.prop2Changed = false;
UndoRedoManager.Undo();
Assert.IsTrue(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
data.prop1Changed = false;
data.prop2Changed = false;
UndoRedoManager.Redo();
Assert.IsTrue(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
}
public void BasicFlow_Cancel()
{
var data = new DataClass_Basic();
using (UndoRedoManager.Start("1"))
{
data.Prop1 = 1;
Assert.IsFalse(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
}
Assert.IsFalse(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
}
public void CheckOldNewValue()
{
var data = new DataClass_Basic();
data.prop1.Changed += delegate(object s, MemberChangedEventArgs ea)
{
Assert.AreEqual(0, ea.OldValue);
Assert.AreEqual(2, ea.NewValue);
Assert.AreEqual(CommandDoneType.Commit, ea.CommandDoneType);
};
using (UndoRedoManager.Start("1"))
{
data.Prop1 = 1;
data.Prop2 = 1;
data.Prop1 = 2;
data.Prop2 = 2;
UndoRedoManager.Commit();
}
}
public void Unsubscribe()
{
var data = new DataClass_Basic();
var handled = false;
EventHandler<MemberChangedEventArgs> handler1 = delegate(object sender, MemberChangedEventArgs e)
{
handled = true;
};
EventHandler<MemberChangedEventArgs> handler2 = delegate(object sender, MemberChangedEventArgs e)
{
};
data.prop1.Changed += handler1;
data.prop1.Changed += handler2;
data.prop1.Changed -= handler1;
using (UndoRedoManager.Start("1"))
{
data.Prop1 = 1;
UndoRedoManager.Commit();
}
Assert.IsFalse(handled);
}
public void Nested_Commit()
{
var data = new DataClass_Basic();
using (UndoRedoManager.Start("1"))
{
data.Prop1 = 1;
using (UndoRedoManager.Start("2"))
{
data.Prop1 = 2;
using (UndoRedoManager.Start("3"))
{
data.Prop1 = 3;
data.Prop2 = 3;
Assert.IsFalse(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
UndoRedoManager.Commit();
}
Assert.IsFalse(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
UndoRedoManager.Commit();
}
Assert.IsFalse(data.prop1Changed);
Assert.IsFalse(data.prop2Changed);
UndoRedoManager.Commit();
}
Assert.IsTrue(data.prop1Changed);
Assert.IsTrue(data.prop2Changed);
}
public void EventPostponedTillDataMadeConsistent_Undo()
{
var data = new DataClass_Basic();
using (UndoRedoManager.Start("1"))
{
data.Prop1 = 1;
data.Prop2 = 1;
UndoRedoManager.Commit();
}
UndoRedoManager.CommandDone += delegate(object s, CommandDoneEventArgs ea)
{
Assert.AreEqual(ea.CommandDoneType, CommandDoneType.Undo);
Assert.AreEqual(data.Prop1, 0);
Assert.AreEqual(data.Prop2, 0);
};
UndoRedoManager.Undo();
}