diff options
Diffstat (limited to 'Lib/test/test_builtin.py')
| -rw-r--r-- | Lib/test/test_builtin.py | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py index 05e80e4580..500516cefb 100644 --- a/Lib/test/test_builtin.py +++ b/Lib/test/test_builtin.py @@ -907,9 +907,9 @@ class BuiltinTest(unittest.TestCase): lists.append(unicode("12")) for l in lists: i = iter(l) - self.assertEqual(i.next(), '1') - self.assertEqual(i.next(), '2') - self.assertRaises(StopIteration, i.next) + self.assertEqual(next(i), '1') + self.assertEqual(next(i), '2') + self.assertRaises(StopIteration, next, i) def test_isinstance(self): class C: @@ -1305,6 +1305,33 @@ class BuiltinTest(unittest.TestCase): self.assertEqual(min(data, key=f), sorted(data, key=f)[0]) + def test_next(self): + it = iter(range(2)) + self.assertEqual(next(it), 0) + self.assertEqual(next(it), 1) + self.assertRaises(StopIteration, next, it) + self.assertRaises(StopIteration, next, it) + self.assertEquals(next(it, 42), 42) + + class Iter(object): + def __iter__(self): + return self + def __next__(self): + raise StopIteration + + it = iter(Iter()) + self.assertEquals(next(it, 42), 42) + self.assertRaises(StopIteration, next, it) + + def gen(): + yield 1 + return + + it = gen() + self.assertEquals(next(it), 1) + self.assertRaises(StopIteration, next, it) + self.assertEquals(next(it, 42), 42) + def test_oct(self): self.assertEqual(oct(100), '0144') self.assertEqual(oct(100), '0144') |