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Diffstat (limited to 'Lib/test/test_range.py')
-rw-r--r-- | Lib/test/test_range.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py index 43fadf0..7650103 100644 --- a/Lib/test/test_range.py +++ b/Lib/test/test_range.py @@ -71,6 +71,13 @@ class RangeTest(unittest.TestCase): self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))), list(r)) + def test_odd_bug(self): + # This used to raise a "SystemError: NULL result without error" + # because the range validation step was eating the exception + # before NULL was returned. + with self.assertRaises(TypeError): + range([], 1, -1) + def test_main(): test.support.run_unittest(RangeTest) |