diff options
Diffstat (limited to 'Lib/test/test_sys.py')
| -rw-r--r-- | Lib/test/test_sys.py | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py index 83745f3d0ba..bf415894903 100644 --- a/Lib/test/test_sys.py +++ b/Lib/test/test_sys.py @@ -1135,23 +1135,12 @@ class SysModuleTest(unittest.TestCase): b = sys.getallocatedblocks() self.assertLessEqual(b, a) try: - # While we could imagine a Python session where the number of - # multiple buffer objects would exceed the sharing of references, - # it is unlikely to happen in a normal test run. - # - # In free-threaded builds each code object owns an array of - # pointers to copies of the bytecode. When the number of - # code objects is a large fraction of the total number of - # references, this can cause the total number of allocated - # blocks to exceed the total number of references. - # - # For some reason, iOS seems to trigger the "unlikely to happen" - # case reliably under CI conditions. It's not clear why; but as - # this test is checking the behavior of getallocatedblock() - # under garbage collection, we can skip this pre-condition check - # for now. See GH-130384. - if not support.Py_GIL_DISABLED and not support.is_apple_mobile: - self.assertLess(a, sys.gettotalrefcount()) + # The reported blocks will include immortalized strings, but the + # total ref count will not. This will sanity check that among all + # other objects (those eligible for garbage collection) there + # are more references being tracked than allocated blocks. + interned_immortal = sys.getunicodeinternedsize(_only_immortal=True) + self.assertLess(a - interned_immortal, sys.gettotalrefcount()) except AttributeError: # gettotalrefcount() not available pass |