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Diffstat (limited to 'Lib/test/test_range.py')
| -rw-r--r-- | Lib/test/test_range.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py index 1a40dd1..638d943 100644 --- a/Lib/test/test_range.py +++ b/Lib/test/test_range.py @@ -97,6 +97,12 @@ class RangeTest(unittest.TestCase): # ..except if explicitly told so. self.assertTrue(int(C2()) in range(3)) + # Check that the range.__contains__ optimization is only + # used for ints, not for instances of subclasses of int. + class C3(int): + def __eq__(self, other): return True + self.assertTrue(C3(11) in range(10)) + self.assertTrue(C3(11) in list(range(10))) def test_strided_limits(self): r = range(0, 101, 2) |