public void TestUndoCycle() // Tests a particularly insidious case of UndoMove wherein one Undo forces another in a cycle.
{
const int NumArmies = 5;
var manager = new ArmyManager();
var player = new Player(manager, new Color(0, 0, 0));
var armies = new List <Army>();
for (int i = 0; i < NumArmies; i++)
{
var army = new Army(100);
armies.Add(army);
player.AddArmy(army, new Pos(i, i));
}
for (int i = NumArmies - 1; i >= 0; i--)
{
manager.MoveArmy(armies[i], new Pos(i + 1, i + 1));
}
manager.MoveArmy(armies[NumArmies - 1], new Pos(0, 0));
manager.UndoMove(armies[NumArmies - 1]);
for (int i = 0; i < NumArmies; i++)
{
Assert.AreEqual(new Pos(i, i), manager.ArmyPosition(armies[i]));
}
}
public void UndoMove(int armyId)
{
var army = GetArmy(armyId);
if (army != null)
{
manager.UndoMove(army);
}
}
public void TestUndoParam(Pos source, Pos dest)
{
var manager = new ArmyManager();
var player = new Player(manager, new Color(0, 0, 0));
var army = new Army(100);
player.AddArmy(army, source);
manager.MoveArmy(army, dest);
manager.UndoMove(army);
Assert.AreSame(army, manager.ArmyAt(source));
Assert.AreEqual(source, manager.ArmyPosition(army));
}