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greenlet
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files >> //opt/hc_python/lib64/python3.8/site-packages/greenlet/tests/test_cpp.py
from __future__ import print_function from __future__ import absolute_import import subprocess import unittest import greenlet from . import _test_extension_cpp from . import TestCase from . import WIN class CPPTests(TestCase): def test_exception_switch(self): greenlets = [] for i in range(4): g = greenlet.greenlet(_test_extension_cpp.test_exception_switch) g.switch(i) greenlets.append(g) for i, g in enumerate(greenlets): self.assertEqual(g.switch(), i) def _do_test_unhandled_exception(self, target): import os import sys script = os.path.join( os.path.dirname(__file__), 'fail_cpp_exception.py', ) args = [sys.executable, script, target.__name__ if not isinstance(target, str) else target] __traceback_info__ = args with self.assertRaises(subprocess.CalledProcessError) as exc: subprocess.check_output( args, encoding='utf-8', stderr=subprocess.STDOUT ) ex = exc.exception expected_exit = self.get_expected_returncodes_for_aborted_process() self.assertIn(ex.returncode, expected_exit) self.assertIn('fail_cpp_exception is running', ex.output) return ex.output def test_unhandled_nonstd_exception_aborts(self): # verify that plain unhandled throw aborts self._do_test_unhandled_exception(_test_extension_cpp.test_exception_throw_nonstd) def test_unhandled_std_exception_aborts(self): # verify that plain unhandled throw aborts self._do_test_unhandled_exception(_test_extension_cpp.test_exception_throw_std) @unittest.skipIf(WIN, "XXX: This does not crash on Windows") # Meaning the exception is getting lost somewhere... def test_unhandled_std_exception_as_greenlet_function_aborts(self): # verify that plain unhandled throw aborts output = self._do_test_unhandled_exception('run_as_greenlet_target') self.assertIn( # We really expect this to be prefixed with "greenlet: Unhandled C++ exception:" # as added by our handler for std::exception (see TUserGreenlet.cpp), but # that's not correct everywhere --- our handler never runs before std::terminate # gets called (for example, on arm32). 'Thrown from an extension.', output ) def test_unhandled_exception_in_greenlet_aborts(self): # verify that unhandled throw called in greenlet aborts too self._do_test_unhandled_exception('run_unhandled_exception_in_greenlet_aborts') if __name__ == '__main__': unittest.main()
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