diff options
Diffstat (limited to 'Lib/test/test_slice.py')
| -rw-r--r-- | Lib/test/test_slice.py | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Lib/test/test_slice.py b/Lib/test/test_slice.py index c4bc8c8..03fde32 100644 --- a/Lib/test/test_slice.py +++ b/Lib/test/test_slice.py @@ -5,6 +5,7 @@ import operator import sys import unittest import weakref +import copy from pickle import loads, dumps from test import support @@ -244,6 +245,41 @@ class SliceTest(unittest.TestCase): self.assertEqual(s.indices(15), t.indices(15)) self.assertNotEqual(id(s), id(t)) + def test_copy(self): + s = slice(1, 10) + c = copy.copy(s) + self.assertIs(s, c) + + s = slice(1, 10, 2) + c = copy.copy(s) + self.assertIs(s, c) + + # Corner case for mutable indices: + s = slice([1, 2], [3, 4], [5, 6]) + c = copy.copy(s) + self.assertIs(s, c) + self.assertIs(s.start, c.start) + self.assertIs(s.stop, c.stop) + self.assertIs(s.step, c.step) + + def test_deepcopy(self): + s = slice(1, 10) + c = copy.deepcopy(s) + self.assertEqual(s, c) + + s = slice(1, 10, 2) + c = copy.deepcopy(s) + self.assertEqual(s, c) + + # Corner case for mutable indices: + s = slice([1, 2], [3, 4], [5, 6]) + c = copy.deepcopy(s) + self.assertIsNot(s, c) + self.assertEqual(s, c) + self.assertIsNot(s.start, c.start) + self.assertIsNot(s.stop, c.stop) + self.assertIsNot(s.step, c.step) + def test_cycle(self): class myobj(): pass o = myobj() |