diff options
Diffstat (limited to 'Lib/test/test_itertools.py')
| -rw-r--r-- | Lib/test/test_itertools.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 141791c..e054303 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -184,6 +184,19 @@ class TestBasicOps(unittest.TestCase): for proto in range(pickle.HIGHEST_PROTOCOL + 1): self.pickletest(proto, chain('abc', 'def'), compare=list('abcdef')) + def test_chain_setstate(self): + self.assertRaises(TypeError, chain().__setstate__, ()) + self.assertRaises(TypeError, chain().__setstate__, []) + self.assertRaises(TypeError, chain().__setstate__, 0) + self.assertRaises(TypeError, chain().__setstate__, ([],)) + self.assertRaises(TypeError, chain().__setstate__, (iter([]), [])) + it = chain() + it.__setstate__((iter(['abc', 'def']),)) + self.assertEqual(list(it), ['a', 'b', 'c', 'd', 'e', 'f']) + it = chain() + it.__setstate__((iter(['abc', 'def']), iter(['ghi']))) + self.assertEqual(list(it), ['ghi', 'a', 'b', 'c', 'd', 'e', 'f']) + def test_combinations(self): self.assertRaises(TypeError, combinations, 'abc') # missing r argument self.assertRaises(TypeError, combinations, 'abc', 2, 1) # too many arguments @@ -631,6 +644,25 @@ class TestBasicOps(unittest.TestCase): for proto in range(pickle.HIGHEST_PROTOCOL + 1): self.pickletest(proto, cycle('abc')) + def test_cycle_setstate(self): + self.assertRaises(TypeError, cycle('').__setstate__, ()) + self.assertRaises(TypeError, cycle('').__setstate__, []) + self.assertRaises(TypeError, cycle('').__setstate__, 0) + self.assertRaises(TypeError, cycle('').__setstate__, ([],)) + self.assertRaises(TypeError, cycle('').__setstate__, ((), 0)) + it = cycle('abc') + it.__setstate__((['de', 'fg'], 0)) + self.assertEqual(list(islice(it, 15)), + ['a', 'b', 'c', 'de', 'fg', + 'a', 'b', 'c', 'de', 'fg', + 'a', 'b', 'c', 'de', 'fg']) + it = cycle('abc') + it.__setstate__((['de', 'fg'], 1)) + self.assertEqual(list(islice(it, 15)), + ['a', 'b', 'c', 'de', 'fg', + 'de', 'fg', 'de', 'fg', 'de', + 'fg', 'de', 'fg', 'de', 'fg']) + def test_groupby(self): # Check whether it accepts arguments correctly self.assertEqual([], list(groupby([]))) |