def test_rectangle_bounding_box():
r1 = Rectangle(Point(0, 1), Point(2, 3))
r2 = Rectangle(Point(0, 0), Point(4, 2))
assert Rectangle.bounding_box([r1,
r2]) == Rectangle(Point(0, 0), Point(4, 3))
def test_rectangle_sub():
r_large = Rectangle.from_list([0, 0, 5, 5])
r_moved = r_large - Point(1, 2)
assert r_moved.bounds == (-1, -2, 4, 3)
def test_rectangle_add():
r_large = Rectangle.from_list([0, 0, 5, 5])
r_moved = r_large + Point(1, 2)
assert r_moved.bounds == (1, 2, 6, 7)
def test_rectangle_unpacking():
x, y, w, h = Rectangle(Point(3, 4), Point(5, 7))
assert x == 3
assert y == 4
assert w == 2
assert h == 3
def test_rectangle_clip(src, clip_by, dst):
assert Rectangle.from_list(src).clip(
Rectangle.from_list(clip_by)) == Rectangle.from_list(dst)
def test_rectangle_intersection():
r_large = Rectangle.from_list([0, 0, 5, 5])
r_small = Rectangle.from_list([1, 1, 2, 2])
r_touching = Rectangle.from_list([0, 0, 4, 5])
r_other = Rectangle.from_list([-3, -3, -1, -1])
assert Rectangle.intersection([r_other, r_touching]) == Rectangle.empty()
assert Rectangle.intersection([r_large, r_small]) == r_small
assert Rectangle.intersection([r_large, r_large]) == r_large
int1 = Rectangle.intersection(
[Rectangle.from_list([0, 0, 2, 2]),
Rectangle.from_list([0, 2, 1, 3])])
assert int1 == Rectangle.from_list([0, 2, 1, 2])
assert int1 != Rectangle.empty()
assert Rectangle.intersection([r_other,
Rectangle.empty()]) == Rectangle.empty()
with pytest.raises(ValueError):
Rectangle.intersection([])
with pytest.raises(ValueError):
Rectangle.intersection([Rectangle.empty()])
