public void AvaliableMove_PawnW()
        {
            // setup environment for test
            GameController.StartGame ();
            List<Piece> PL1 = GameController.Players [0].PieceList;
            List<Piece> PL2 = GameController.Players [1].PieceList;
            for (int i = 0; i < PL1.Count; i++)
            {
                PL1 [i].isDead = true;
                PL1 [i].X = -1;
                PL1 [i].Y = -1;
                PL2 [i].isDead = true;
                PL2 [i].X = -1;
                PL2 [i].Y = -1;
            }

            //test piece
            Piece testPawn = new Pawn (1, 6, false);
            testPawn.AvailableMoves ();
            Assert.IsTrue (hasContain (testPawn.AvaliableMove_X, testPawn.AvaliableMove_Y, 1, 5));
            Assert.IsTrue (hasContain (testPawn.AvaliableMove_X, testPawn.AvaliableMove_Y, 1, 4));

            Piece testPawn2 = new Pawn (4, 5, false);
            testPawn2.AvailableMoves ();
            Assert.IsTrue (hasContain (testPawn2.AvaliableMove_X, testPawn2.AvaliableMove_Y, 4, 4));
        }
        public void Attack_Pawn()
        {
            // setup environment for test
            GameController.StartGame ();
            List<Piece> PL1 = GameController.Players [0].PieceList;
            List<Piece> PL2 = GameController.Players [1].PieceList;
            for (int i = 0; i < PL1.Count; i++)
            {
                PL1 [i].isDead = true;
                PL1 [i].X = -1;
                PL1 [i].Y = -1;
                PL2 [i].isDead = true;
                PL2 [i].X = -1;
                PL2 [i].Y = -1;
            }
            UtilityFunctions.CheckAvaiMoveOfAllPieces ();

            //test piece
            Piece testPawn = new Pawn (2, 2, true);
            Piece testPawn1 = null;
            Piece testPawn2 = null;

            //get a pwan from write player for test attack
            foreach (Piece p in PL1)
            {
                if (p.type == PieceType.Pawn)
                {
                    testPawn1 = p;
                    break;
                }
            }
            testPawn1.isDead = false;
            testPawn1.X = 1;
            testPawn1.Y = 3;
            testPawn.AvailableMoves ();
            testPawn.Move (1, 3);
            Assert.AreEqual (true, testPawn1.isDead);

            //get a pwan from black player for test attack
            foreach (Piece p in PL2)
            {
                if (p.type == PieceType.Pawn)
                {
                    testPawn2 = p;
                    break;
                }
            }
            testPawn2.isDead = false;
            testPawn2.X = 0;
            testPawn2.Y = 4;
            testPawn.AvailableMoves ();
            testPawn.Move (0, 4);
            Assert.AreEqual (false, testPawn2.isDead);
        }