diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_turtle.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Lib/test/test_turtle.py b/Lib/test/test_turtle.py index 70620d5..8f8434c 100644 --- a/Lib/test/test_turtle.py +++ b/Lib/test/test_turtle.py @@ -1,3 +1,4 @@ +import pickle import unittest from test import test_support as support @@ -129,6 +130,40 @@ class VectorComparisonMixin: class TestVec2D(VectorComparisonMixin, unittest.TestCase): + def test_constructor(self): + vec = Vec2D(0.5, 2) + self.assertEqual(vec[0], 0.5) + self.assertEqual(vec[1], 2) + self.assertIsInstance(vec, Vec2D) + + self.assertRaises(TypeError, Vec2D) + self.assertRaises(TypeError, Vec2D, 0) + self.assertRaises(TypeError, Vec2D, (0, 1)) + self.assertRaises(TypeError, Vec2D, vec) + self.assertRaises(TypeError, Vec2D, 0, 1, 2) + + def test_repr(self): + vec = Vec2D(0.567, 1.234) + self.assertEqual(repr(vec), '(0.57,1.23)') + + def test_equality(self): + vec1 = Vec2D(0, 1) + vec2 = Vec2D(0.0, 1) + vec3 = Vec2D(42, 1) + self.assertEqual(vec1, vec2) + self.assertEqual(vec1, tuple(vec1)) + self.assertEqual(tuple(vec1), vec1) + self.assertNotEqual(vec1, vec3) + self.assertNotEqual(vec2, vec3) + + def test_pickling(self): + vec = Vec2D(0.5, 2) + for proto in range(pickle.HIGHEST_PROTOCOL + 1): + pickled = pickle.dumps(vec, protocol=proto) + unpickled = pickle.loads(pickled) + self.assertEqual(unpickled, vec) + self.assertIsInstance(unpickled, Vec2D) + def _assert_arithmetic_cases(self, test_cases, lambda_operator): for test_case in test_cases: ((first, second), expected) = test_case |