ertical-lr";
  container.style.direction = "ltr";
  test_position_area(writing_direction, "start start", top_left);
  test_position_area(writing_direction, "self-start self-start", top_left);
  test_position_area(writing_direction, "x-start y-start", top_left);
  test_position_area(writing_direction, "x-self-start y-self-start", top_left);
  test_position_area(writing_direction, "inline-start block-end", top_right);
  test_position_area(writing_direction, "self-inline-start self-block-end", bottom_left);

 