bpo-41720: Add "return NotImplemented" in turtle.Vec2D.__rmul__(). (GH-22092)
diff --git a/Lib/test/test_turtle.py b/Lib/test/test_turtle.py
index 46ff4a3..86d6507 100644
--- a/Lib/test/test_turtle.py
+++ b/Lib/test/test_turtle.py
@@ -130,6 +130,14 @@
self.assertAlmostEqual(
i, j, msg='values at index {} do not match'.format(idx))
+class Multiplier:
+
+ def __mul__(self, other):
+ return f'M*{other}'
+
+ def __rmul__(self, other):
+ return f'{other}*M'
+
class TestVec2D(VectorComparisonMixin, unittest.TestCase):
@@ -211,9 +219,15 @@
self.assertAlmostEqual(answer, expected)
vec = Vec2D(0.5, 3)
- answer = vec * 10
expected = Vec2D(5, 30)
- self.assertVectorsAlmostEqual(answer, expected)
+ self.assertVectorsAlmostEqual(vec * 10, expected)
+ self.assertVectorsAlmostEqual(10 * vec, expected)
+ self.assertVectorsAlmostEqual(vec * 10.0, expected)
+ self.assertVectorsAlmostEqual(10.0 * vec, expected)
+
+ M = Multiplier()
+ self.assertEqual(vec * M, Vec2D(f"{vec[0]}*M", f"{vec[1]}*M"))
+ self.assertEqual(M * vec, f'M*{vec}')
def test_vector_negative(self):
vec = Vec2D(10, -10)