diff options
| -rw-r--r-- | Lib/test/test_cmd_line.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_embed.py | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index 352109e..1521b5b 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -118,7 +118,7 @@ class CmdLineTest(unittest.TestCase): self.assertEqual(out.rstrip(), b'{}') self.assertEqual(err, b'') # "-X showrefcount" shows the refcount, but only in debug builds - rc, out, err = run_python('-X', 'showrefcount', '-c', code) + rc, out, err = run_python('-I', '-X', 'showrefcount', '-c', code) self.assertEqual(out.rstrip(), b"{'showrefcount': True}") if Py_DEBUG: # bpo-46417: Tolerate negative reference count which can occur diff --git a/Lib/test/test_embed.py b/Lib/test/test_embed.py index 15c6b05..e376331 100644 --- a/Lib/test/test_embed.py +++ b/Lib/test/test_embed.py @@ -1641,6 +1641,27 @@ class MiscTests(EmbeddingTestsMixin, unittest.TestCase): """).lstrip() self.assertEqual(out, expected) + @unittest.skipUnless(hasattr(sys, 'gettotalrefcount'), + '-X showrefcount requires a Python debug build') + def test_no_memleak(self): + # bpo-1635741: Python must release all memory at exit + cmd = [sys.executable, "-I", "-X", "showrefcount", "-c", "pass"] + proc = subprocess.run(cmd, + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + text=True) + self.assertEqual(proc.returncode, 0) + out = proc.stdout.rstrip() + match = re.match(r'^\[(-?\d+) refs, (-?\d+) blocks\]', out) + if not match: + self.fail(f"unexpected output: {out!a}") + refs = int(match.group(1)) + blocks = int(match.group(2)) + # bpo-46417: Tolerate negative reference count which can occur because + # of bugs in C extensions. It is only wrong if it's greater than 0. + self.assertLessEqual(refs, 0, out) + self.assertEqual(blocks, 0, out) + class StdPrinterTests(EmbeddingTestsMixin, unittest.TestCase): # Test PyStdPrinter_Type which is used by _PySys_SetPreliminaryStderr(): |