public void row_too_low()
{
var command = new PlaceOnPieceCommand(-1, 3, _piece);
Should.ThrowException<CommandException>(() => command.Execute(_board));
}
public void valid_placement()
{
var command = new PlaceOnPieceCommand(3, 3, _piece);
command.Execute(_board);
}
public void col_too_high()
{
var command = new PlaceOnPieceCommand(3, 15, _piece);
Should.ThrowException<CommandException>(() => command.Execute(_board));
}