cpython/Lib/test/test_lltrace.py
Christian Clauss cfca4a6774
[3.10] Fix typos in the Lib directory (GH-28775) (GH-28804)
Fix typos in the Lib directory as identified by codespell.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>.
(cherry picked from commit 745c9d9dfc)

Co-authored-by: Christian Clauss <cclauss@me.com>
2021-10-07 11:49:47 -04:00

31 lines
1 KiB
Python

import os
import textwrap
import unittest
from test.support import os_helper
from test.support.script_helper import assert_python_ok
class TestLLTrace(unittest.TestCase):
def test_lltrace_does_not_crash_on_subscript_operator(self):
# If this test fails, it will reproduce a crash reported as
# bpo-34113. The crash happened at the command line console of
# debug Python builds with __ltrace__ enabled (only possible in console),
# when the internal Python stack was negatively adjusted
with open(os_helper.TESTFN, 'w', encoding='utf-8') as fd:
self.addCleanup(os_helper.unlink, os_helper.TESTFN)
fd.write(textwrap.dedent("""\
import code
console = code.InteractiveConsole()
console.push('__ltrace__ = 1')
console.push('a = [1, 2, 3]')
console.push('a[0] = 1')
print('unreachable if bug exists')
"""))
assert_python_ok(os_helper.TESTFN)
if __name__ == "__main__":
unittest.main()