public void TestKnightInvalidMovement()
{
ChessBoard cb = new ChessBoard ();
Knight kn = new Knight (cb [4, 4], "B");
cb [4, 4].PlacePiece (kn);
Assert.IsFalse(kn.CheckMovementRule(cb[3,3], cb));
Assert.IsFalse(kn.CheckMovementRule(cb[7,7], cb));
Assert.IsFalse(kn.CheckMovementRule(cb[4, 3], cb));
Assert.AreEqual (kn.MovePiece (cb [4, 3], cb), "Invalid move");
Assert.AreNotSame (kn.Grid, cb [4, 3]);
Assert.AreSame (kn.Grid, cb [4, 4]);
}
public void TestKnightMovementOnEmpty()
{
ChessBoard cb = new ChessBoard ();
Knight kn = new Knight (cb [4, 4], "B");
cb [4, 4].PlacePiece (kn);
Assert.IsTrue(kn.CheckMovementRule(cb[6, 5], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[5, 6], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[3, 2], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[2, 3], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[3, 6], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[6, 3], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[2, 5], cb));
Assert.IsTrue(kn.CheckMovementRule(cb[5, 2], cb));
Assert.IsNull (kn.MovePiece (cb [5, 2], cb));
Assert.AreEqual (kn.Grid, cb [5, 2]);
}
