check windows fd validity (closes #16992)
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 2803785..fa06729 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -227,6 +227,13 @@
signal.signal(7, handler)
+class WakeupFDTests(unittest.TestCase):
+
+ def test_invalid_fd(self):
+ fd = support.make_bad_fd()
+ self.assertRaises(ValueError, signal.set_wakeup_fd, fd)
+
+
@unittest.skipIf(sys.platform == "win32", "Not valid on Windows")
class WakeupSignalTests(unittest.TestCase):
TIMEOUT_FULL = 10
@@ -485,8 +492,9 @@
def test_main():
test_support.run_unittest(BasicSignalTests, InterProcessSignalTests,
- WakeupSignalTests, SiginterruptTest,
- ItimerTest, WindowsSignalTests)
+ WakeupFDTests, WakeupSignalTests,
+ SiginterruptTest, ItimerTest,
+ WindowsSignalTests)
if __name__ == "__main__":