public static void TestUndoMove()
{
RacingKingsChessGame game = new RacingKingsChessGame();
string initial = game.GetFen();
game.MakeMove(new Move("F2", "D4", Player.White), true);
Assert.True(game.Undo());
Assert.AreEqual(initial, game.GetFen());
Assert.AreEqual(Player.White, game.WhoseTurn);
}
public static void TestUndoMultiple()
{
RacingKingsChessGame game = new RacingKingsChessGame();
string initial = game.GetFen();
game.MakeMove(new Move("F2", "D4", Player.White), true);
game.MakeMove(new Move("A2", "B3", Player.Black), true);
game.MakeMove(new Move("D4", "B2", Player.White), true);
game.MakeMove(new Move("D1", "B2", Player.Black), true);
Assert.AreEqual(4, game.Undo(4));
Assert.AreEqual(initial, game.GetFen());
Assert.AreEqual(Player.White, game.WhoseTurn);
}