public void WhenInvertOrderIsCalledTwiceThenTheOrderIsUnchanged()
{
SortResult result = new SortResult("2,0,1");
Assert.IsTrue(result.IsValid);
Assert.AreEqual(2, result.GetIndex(0));
Assert.AreEqual(0, result.GetIndex(1));
Assert.AreEqual(1, result.GetIndex(2));
result.InvertOrder();
result.InvertOrder();
Assert.IsTrue(result.IsValid);
Assert.AreEqual(2, result.GetIndex(0));
Assert.AreEqual(0, result.GetIndex(1));
Assert.AreEqual(1, result.GetIndex(2));
}
public void Undo()
{
SortResult sortResult = new SortResult(_order);
sortResult.InvertOrder();
_model.ReorderChildren(_element, sortResult);
_model.AssignElementOrder();
}
