def test_child_outside_parent():
child = Rect.from_square(5)
parent = Rect.from_square(6)
def move_1px_right(child_rect, parent_rect):
child_rect.left += 1
# This should be fine the first time...
glooey.drawing.align(move_1px_right, child, parent)
# ...but out-of-bounds the second time.
with pytest.raises(RuntimeError, match='move_1px_right'):
glooey.drawing.align(move_1px_right, child, parent)
def test_child_outside_parent():
child = Rect.from_square(4.5)
parent = Rect.from_square(6)
def move_1px_right(child_rect, parent_rect):
child_rect.left += 1
# This should be fine the first time...
glooey.drawing.align(move_1px_right, child, parent)
# ...and also fine the second time, because the child is allowed to exceed
# its parent by 1 px to account for rounding errors...
glooey.drawing.align(move_1px_right, child, parent)
# ...but out-of-bounds the third time.
with pytest.raises(RuntimeError, match='move_1px_right'):
glooey.drawing.align(move_1px_right, child, parent)
