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author | Ned Deily <nad@acm.org> | 2011-04-09 12:47:12 -0700 |
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committer | Ned Deily <nad@acm.org> | 2011-04-09 12:47:12 -0700 |
commit | 0302b31099dbb6e7be85794e12d302d98a172341 (patch) | |
tree | fb233ae3d9c2721ad62becd5049397a465270995 /Lib/test/test_threading.py | |
parent | a9d72e3bffd18b8749eb62ff9d56ea5f937e46b5 (diff) | |
parent | 54f74064020b4aee126dd0a4fd04df2350831c68 (diff) | |
download | cpython-0302b31099dbb6e7be85794e12d302d98a172341.tar.gz |
Issue #9670: merge with current
Diffstat (limited to 'Lib/test/test_threading.py')
-rw-r--r-- | Lib/test/test_threading.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index c107652d26..270e0b86e4 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -689,6 +689,36 @@ class ThreadingExceptionTests(BaseTestCase): lock = threading.Lock() self.assertRaises(RuntimeError, lock.release) + def test_recursion_limit(self): + # Issue 9670 + # test that excessive recursion within a non-main thread causes + # an exception rather than crashing the interpreter on platforms + # like Mac OS X or FreeBSD which have small default stack sizes + # for threads + script = """if True: + import threading + + def recurse(): + return recurse() + + def outer(): + try: + recurse() + except RuntimeError: + pass + + w = threading.Thread(target=outer) + w.start() + w.join() + print('end of main thread') + """ + expected_output = "end of main thread\n" + p = subprocess.Popen([sys.executable, "-c", script], + stdout=subprocess.PIPE) + stdout, stderr = p.communicate() + data = stdout.decode().replace('\r', '') + self.assertEqual(p.returncode, 0, "Unexpected error") + self.assertEqual(data, expected_output) class LockTests(lock_tests.LockTests): locktype = staticmethod(threading.Lock) |