public void Prevent_Movement_When_Start_Y_Greater_Than_End_Y()
{
var board = Substitute.For <IChessBoard>();
var piece = Substitute.For <IChessPiece>();
IRule rule = new CannotMoveOnYAxisRule();
Move move = new Move(piece, 0, 0, 0, 1);
Assert.That(rule.IsMoveValid(board, move), Is.False);
}
public void Allow_Movement_On_Y_When_X_Changes()
{
var board = Substitute.For <IChessBoard>();
var piece = Substitute.For <IChessPiece>();
IRule rule = new CannotMoveOnYAxisRule();
Move move = new Move(piece, 0, 0, 1, 1);
Assert.That(rule.IsMoveValid(board, move), Is.True);
}
public void Allow_Movement_When_Start_Y_Equals_End_Y()
{
var board = Substitute.For <IChessBoard>();
var piece = Substitute.For <IChessPiece>();
IRule rule = new CannotMoveOnYAxisRule();
Move move = new Move(piece, 0, 0, 1, 0);
Assert.That(rule.IsMoveValid(board, move), Is.True);
}
public void Allow_Movement_Across_Multiple_Squares_When_Start_Y_Equals_End_Y()
{
var board = Substitute.For <IChessBoard>();
var piece = Substitute.For <IChessPiece>();
IRule rule = new CannotMoveOnYAxisRule();
board.Width.Returns(8);
Move move = new Move(piece, 0, 0, board.Width - 1, 0);
Assert.That(rule.IsMoveValid(board, move));
}