def test_compatible_to_vector():
v = Vec3(Vec2(1, 2))
assert v == (1, 2, 0)
v = Vec2(Vec3(1, 2, 3))
assert v.x == 1
assert v.y == 2
def test_deep_copy():
import copy
v = Vec2(1, 2)
l1 = [v, v, v]
l2 = copy.copy(l1)
assert l2[0] is l2[1]
assert l2[1] is l2[2]
assert l2[0] is v
# Vec3, CVec2 and CVec3 are immutable and do not create copies of itself!
l3 = copy.deepcopy(l1)
assert l3[0] is l3[1]
assert l3[1] is l3[2]
assert l3[0] is not v
def test_isub_vector(vec2):
v = Vec2(2, 3)
v -= Vec2(7, 7)
assert v == (-5, -4)
def test_init_vec2(vcls):
v = Vec2(vcls(2, 3))
assert v.x == 2
assert v.y == 3
def test_iadd_vector(vec2):
v = Vec2(2, 3)
v += Vec2(7, 7)
assert v == (9, 10)