public void TestBishop()
{
var bishop = new Bishop(Color.White);
var board = new Board();
board.Occupants[2, 0] = bishop;
// Test nature
// - If can move diagonal
// - If can move straight
// - If can move 1 step
// - If can move multiple steps
Assert.IsFalse(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(2, 2),
board
));
Assert.IsFalse(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(4, 0),
board
));
Assert.IsTrue(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(4, 2),
board
));
Assert.IsFalse(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(4, 1),
board
));
board.Occupants[3, 1] = new Pawn(Color.Black);
// Test blocking
Assert.IsFalse(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(5, 3),
board
));
// Test attack
Assert.IsTrue(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(3, 1),
board
));
board.Occupants[5, 3] = new Pawn(Color.Black);
board.Occupants[3, 1] = new Pawn(Color.White);
Assert.IsFalse(bishop.CheckValidMove(
new Vector2Int(2, 0),
new Vector2Int(5, 3),
board
));
}