def test_drop(self):
robot = GripperRobot(10, Heading.WEST, (1, 1))
robot.hold_object = True
game = self.default_game()
game.grid[1][1] = False
robot.drop(game)
self.assertFalse(robot.hold_object)
self.assertTrue(game.grid[1][1])
def test_drop_occupied(self):
robot = GripperRobot(10, Heading.WEST)
robot.hold_object = True
game = self.default_game()
game.grid[0][0] = True
robot.drop(game)
self.assertTrue(robot.hold_object)
self.assertTrue(game.grid[0][0])