Method test_racing_join_extend

Lib/test/test_free_threading/test_str.py:11–35

Test joining a string being extended by another thread

(self)

@threading_helper.requires_working_threading()
class TestStr(TestCase):
    def test_racing_join_extend(self):
        '''Test joining a string being extended by another thread'''
        l = []
        ITERS = 100
        READERS = 10
        done_event = Event()
        def writer_func():
            for i in range(ITERS):
                l.extend(map(str, range(i)))
                l.clear()
            done_event.set()
        def reader_func():
            while not done_event.is_set():
                ''.join(l)
        writer = Thread(target=writer_func)
        readers = []
        for x in range(READERS):
            reader = Thread(target=reader_func)
            readers.append(reader)
            reader.start()

        writer.start()
        writer.join()
        for reader in readers:
            reader.join()

    def test_racing_join_replace(self):
        '''