def _can_move_diagonally_to(self, to: Point) -> bool:
if self._check_illegal_move(to):
return False
me_x = self._pos.x
me_y = self._pos.y
x_direction = 1 if to.x > me_x else -1
y_direction = 1 if to.y > me_y else -1
# Move one space away as starting square
row = me_x + x_direction
col = me_y + y_direction
# Keep advancing along empty spaces until end is hit
while not to.equals(row, col):
if self._board[row, col] is not None:
return False
row += x_direction
col += y_direction
return True
def test_equals_xy():
p = Point(1, 4)
assert p.equals(1, 4)
assert not p.equals(2, 3)
