diff --git a/Lib/ctypes/test/test_win32.py b/Lib/ctypes/test/test_win32.py index da1624015e1..5d85ad6200b 100644 --- a/Lib/ctypes/test/test_win32.py +++ b/Lib/ctypes/test/test_win32.py @@ -41,15 +41,19 @@ class FunctionCallTestCase(unittest.TestCase): @unittest.skipIf(sys.executable.lower().endswith('_d.exe'), "SEH not enabled in debug builds") def test_SEH(self): - # Call functions with invalid arguments, and make sure - # that access violations are trapped and raise an - # exception. - self.assertRaises(OSError, windll.kernel32.GetModuleHandleA, 32) + # Disable faulthandler to prevent logging the warning: + # "Windows fatal exception: access violation" + with support.disable_faulthandler(): + # Call functions with invalid arguments, and make sure + # that access violations are trapped and raise an + # exception. + self.assertRaises(OSError, windll.kernel32.GetModuleHandleA, 32) def test_noargs(self): # This is a special case on win32 x64 windll.user32.GetDesktopWindow() + @unittest.skipUnless(sys.platform == "win32", 'Windows-specific test') class TestWintypes(unittest.TestCase): def test_HWND(self): diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 1621e3de402..2d60adc3dc0 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -2586,3 +2586,19 @@ def setswitchinterval(interval): if _is_android_emulator: interval = minimum_interval return sys.setswitchinterval(interval) + + +@contextlib.contextmanager +def disable_faulthandler(): + # use sys.__stderr__ instead of sys.stderr, since regrtest replaces + # sys.stderr with a StringIO which has no file descriptor when a test + # is run with -W/--verbose3. + fd = sys.__stderr__.fileno() + + is_enabled = faulthandler.is_enabled() + try: + faulthandler.disable() + yield + finally: + if is_enabled: + faulthandler.enable(file=fd, all_threads=True)