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Diffstat (limited to 'Lib/test/test_compile.py')
| -rw-r--r-- | Lib/test/test_compile.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py index 99ba487..4de5448 100644 --- a/Lib/test/test_compile.py +++ b/Lib/test/test_compile.py @@ -648,6 +648,17 @@ if 1: self.assertIs(f1.__code__.co_linetable, f2.__code__.co_linetable) self.assertIs(f1.__code__.co_code, f2.__code__.co_code) + # Stripping unused constants is not a strict requirement for the + # Python semantics, it's a more an implementation detail. + @support.cpython_only + def test_strip_unused_consts(self): + # Python 3.10rc1 appended None to co_consts when None is not used + # at all. See bpo-45056. + def f1(): + "docstring" + return 42 + self.assertEqual(f1.__code__.co_consts, ("docstring", 42)) + # This is a regression test for a CPython specific peephole optimizer # implementation bug present in a few releases. It's assertion verifies # that peephole optimization was actually done though that isn't an |