1# Tests that the crashers in the Lib/test/crashers directory actually
2# do crash the interpreter as expected
3#
4# If a crasher is fixed, it should be moved elsewhere in the test suite to
5# ensure it continues to work correctly.
6
7import unittest
8import glob
9import os.path
10import test.support
11from test.support.script_helper import assert_python_failure
12
13CRASHER_DIR = os.path.join(os.path.dirname(__file__), "crashers")
14CRASHER_FILES = os.path.join(glob.escape(CRASHER_DIR), "*.py")
15
16infinite_loops = ["infinite_loop_re.py", "nasty_eq_vs_dict.py"]
17
18class CrasherTest(unittest.TestCase):
19
20    @unittest.skip("these tests are too fragile")
21    @test.support.cpython_only
22    def test_crashers_crash(self):
23        for fname in glob.glob(CRASHER_FILES):
24            if os.path.basename(fname) in infinite_loops:
25                continue
26            # Some "crashers" only trigger an exception rather than a
27            # segfault. Consider that an acceptable outcome.
28            if test.support.verbose:
29                print("Checking crasher:", fname)
30            assert_python_failure(fname)
31
32
33def tearDownModule():
34    test.support.reap_children()
35
36if __name__ == "__main__":
37    unittest.main()
38