25 lines · python
1# ALLOW_RETRIES: 52 3# RUN: "%python" "%s" "%counter"4 5import sys6import os7 8counter_file = sys.argv[1]9 10# The first time the test is run, initialize the counter to 1.11if not os.path.exists(counter_file):12 with open(counter_file, "w") as counter:13 counter.write("1")14 15# Succeed if this is the fourth time we're being run.16with open(counter_file, "r") as counter:17 num = int(counter.read())18 if num == 4:19 sys.exit(0)20 21# Otherwise, increment the counter and fail22with open(counter_file, "w") as counter:23 counter.write(str(num + 1))24 sys.exit(1)25