test_to_vector:
  -
    given: obj = Vector(1, 2)
    expected: Vector(1, 2)
  -
    given: obj = 2, 3
    expected: Vector(2, 3)
  -
    given:
      > class MyObj:
      >     pass
      >
      > obj = MyObj()
      > obj.x = 3
      > obj.y = 1
    expected:
      > Vector(3, 1)

