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| -rw-r--r-- | tests/thread/thread_qstr1.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/thread/thread_qstr1.py b/tests/thread/thread_qstr1.py new file mode 100644 index 0000000000..0c9c2bcf0f --- /dev/null +++ b/tests/thread/thread_qstr1.py @@ -0,0 +1,34 @@ +# test concurrent interning of strings +# +# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd + +import _thread + +# function to check the interned string +def check(s, val): + assert type(s) == str + assert int(s) == val + +# main thread function +def th(base, n): + for i in range(n): + # this will intern the string and check it + exec("check('%u', %u)" % (base + i, base + i)) + + with lock: + global n_finished + n_finished += 1 + +lock = _thread.allocate_lock() +n_thread = 4 +n_finished = 0 + +# spawn threads +for i in range(n_thread): + _thread.start_new_thread(th, (i * 1000, 1000)) + +# busy wait for threads to finish +while n_finished < n_thread: + pass + +print('pass') |