diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_bool.py | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/Lib/test/test_bool.py b/Lib/test/test_bool.py index 916e22a..34ecb45 100644 --- a/Lib/test/test_bool.py +++ b/Lib/test/test_bool.py @@ -58,8 +58,22 @@ class BoolTest(unittest.TestCase): self.assertEqual(-True, -1) self.assertEqual(abs(True), 1) self.assertIsNot(abs(True), True) - self.assertEqual(~False, -1) - self.assertEqual(~True, -2) + with self.assertWarns(DeprecationWarning): + # We need to put the bool in a variable, because the constant + # ~False is evaluated at compile time due to constant folding; + # consequently the DeprecationWarning would be issued during + # module loading and not during test execution. + false = False + self.assertEqual(~false, -1) + with self.assertWarns(DeprecationWarning): + # also check that the warning is issued in case of constant + # folding at compile time + self.assertEqual(eval("~False"), -1) + with self.assertWarns(DeprecationWarning): + true = True + self.assertEqual(~true, -2) + with self.assertWarns(DeprecationWarning): + self.assertEqual(eval("~True"), -2) self.assertEqual(False+2, 2) self.assertEqual(True+2, 3) |