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__pycache__	-	Open
gdb_sample.py	156 B	View DL Edit
test_backtrace.py	4.91 MB	View DL Edit
test_cfunction.py	2.85 MB	View DL Edit
test_cfunction_full.py	1003 B	View DL Edit
test_misc.py	7.59 MB	View DL Edit
test_pretty_print.py	17.36 MB	View DL Edit
util.py	10.28 MB	View DL Edit
__init__.py	1 MB	View DL Edit

Edit file: /opt/alt/python313/lib64/python3.13/test/test_gdb/test_cfunction.py

import textwrap
import unittest
from test import support

from .util import setup_module, DebuggerTests

def setUpModule():
    setup_module()

@unittest.skipIf(support.python_is_optimized(),
                 "Python was compiled with optimizations")
@support.requires_resource('cpu')
class CFunctionTests(DebuggerTests):
    def check(self, func_name, cmd):
        # Verify with "py-bt":
        gdb_output = self.get_stack_trace(
            cmd,
            breakpoint=func_name,
            cmds_after_breakpoint=['bt', 'py-bt'],
            # bpo-45207: Ignore 'Function "meth_varargs" not
            # defined.' message in stderr.
            ignore_stderr=True,
        )
        self.assertIn(f'<built-in method {func_name}', gdb_output)

# Some older versions of gdb will fail with
    #  "Cannot find new threads: generic error"
    # unless we add LD_PRELOAD=PATH-TO-libpthread.so.1 as a workaround
    #
    # gdb will also generate many erroneous errors such as:
    #     Function "meth_varargs" not defined.
    # This is because we are calling functions from an "external" module
    # (_testcapimodule) rather than compiled-in functions. It seems difficult
    # to suppress these. See also the comment in DebuggerTests.get_stack_trace
    def check_pycfunction(self, func_name, args):
        'Verify that "py-bt" displays invocations of PyCFunction instances'

if support.verbose:
            print()

# Various optimizations multiply the code paths by which these are
        # called, so test a variety of calling conventions.
        for obj in (
            '_testcapi',
            '_testcapi.MethClass',
            '_testcapi.MethClass()',
            '_testcapi.MethStatic()',

# XXX: bound methods don't yet give nice tracebacks
            # '_testcapi.MethInstance()',
        ):
            with self.subTest(f'{obj}.{func_name}'):
                call = f'{obj}.{func_name}({args})'
                cmd = textwrap.dedent(f'''
                    import _testcapi
                    def foo():
                        {call}
                    def bar():
                        foo()
                    bar()
                ''')
                if support.verbose:
                    print(f'  test call: {call}', flush=True)

self.check(func_name, cmd)

def test_pycfunction_noargs(self):
        self.check_pycfunction('meth_noargs', '')

def test_pycfunction_o(self):
        self.check_pycfunction('meth_o', '[]')

def test_pycfunction_varargs(self):
        self.check_pycfunction('meth_varargs', '')

def test_pycfunction_varargs_keywords(self):
        self.check_pycfunction('meth_varargs_keywords', '')

def test_pycfunction_fastcall(self):
        self.check_pycfunction('meth_fastcall', '')

def test_pycfunction_fastcall_keywords(self):
        self.check_pycfunction('meth_fastcall_keywords', '')

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