pypy.module.sys.test.apptest_monitoring:test_fire_py_start_return

def test_fire_py_start_return():
        E = sys.monitoring.events
        events = []
    
        def callback(*args):
            events.append(args)
    
        sys.monitoring.use_tool_id(3, "test tool")
        try:
            sys.monitoring.register_callback(3, E.PY_START, callback)
            sys.monitoring.register_callback(3, E.PY_RETURN, callback)
            sys.monitoring.set_events(3, E.PY_START | E.PY_RETURN)
    
            def f():
                return 42
    
            events.clear()
            assert f() == 42
>           assert len(events) == 2
E           assert 1 == 2
E            +  where 1 = len([(<code object f at 0x000001d0517e9cd0, file "d:\pypy_stuff\buildbot64\slave\pypy-c-jit-win-x86-64\build\pypy\module\s..._stuff\buildbot64\slave\pypy-c-jit-win-x86-64\venv\pypy-venv\Lib\site-packages\pluggy\_manager.py", line 516>, 0), ...])

..\build\pypy\module\sys\test\apptest_monitoring.py:316: AssertionError

builder: pypy-c-jit-win-x86-64 build #2538+

test: pypy.module.sys.test.apptest_monitoring:test_fire_py_start_return