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-rw-r--r--Lib/test/mp_fork_bomb.py13
-rw-r--r--Lib/test/test_multiprocessing.py23
2 files changed, 35 insertions, 1 deletions
diff --git a/Lib/test/mp_fork_bomb.py b/Lib/test/mp_fork_bomb.py
new file mode 100644
index 0000000..908afe3
--- /dev/null
+++ b/Lib/test/mp_fork_bomb.py
@@ -0,0 +1,13 @@
+import multiprocessing, sys
+
+def foo():
+ print("123")
+
+# Because "if __name__ == '__main__'" is missing this will not work
+# correctly on Windows. However, we should get a RuntimeError rather
+# than the Windows equivalent of a fork bomb.
+
+p = multiprocessing.Process(target=foo)
+p.start()
+p.join()
+sys.exit(p.exitcode)
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index 847deb4..ab6d36a 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -18,6 +18,7 @@ import socket
import random
import logging
import test.support
+import test.script_helper
# Skip tests if _multiprocessing wasn't built.
@@ -2429,9 +2430,29 @@ class TestTimeouts(unittest.TestCase):
finally:
socket.setdefaulttimeout(old_timeout)
+#
+# Test what happens with no "if __name__ == '__main__'"
+#
+
+class TestNoForkBomb(unittest.TestCase):
+ def test_noforkbomb(self):
+ name = os.path.join(os.path.dirname(__file__), 'mp_fork_bomb.py')
+ if WIN32:
+ rc, out, err = test.script_helper.assert_python_failure(name)
+ self.assertEqual('', out.decode('ascii'))
+ self.assertIn('RuntimeError', err.decode('ascii'))
+ else:
+ rc, out, err = test.script_helper.assert_python_ok(name)
+ self.assertEqual('123', out.decode('ascii').rstrip())
+ self.assertEqual('', err.decode('ascii'))
+
+#
+#
+#
+
testcases_other = [OtherTest, TestInvalidHandle, TestInitializers,
TestStdinBadfiledescriptor, TestInvalidFamily,
- TestTimeouts]
+ TestTimeouts, TestNoForkBomb]
#
#