Method seek

Lib/test/test_free_threading/test_mmap.py:137–142

(mm_obj)

        seek_per_thread = 10

        def seek(mm_obj):
            self.assertTrue(mm_obj.seekable())
            for _ in range(seek_per_thread):
                before_seek = mm_obj.tell()
                mm_obj.seek(1, os.SEEK_CUR)
                self.assertLess(before_seek, mm_obj.tell())

        with mmap.mmap(ANONYMOUS_MEM, 1024) as mm_obj:
            run_concurrently(