cpython/Lib/test/test_mutex.py

34 lines
876 B
Python

import mutex
import unittest
import test.test_support
class MutexTest(unittest.TestCase):
def setUp(self):
self.mutex = mutex.mutex()
def called_by_mutex(self, some_data):
self.assert_(self.mutex.test(), "mutex not held")
# Nested locking
self.mutex.lock(self.called_by_mutex2, "eggs")
def called_by_mutex2(self, some_data):
self.assert_(self.ready_for_2,
"called_by_mutex2 called too soon")
def test_lock_and_unlock(self):
self.read_for_2 = False
self.mutex.lock(self.called_by_mutex, "spam")
self.ready_for_2 = True
# unlock both locks
self.mutex.unlock()
self.mutex.unlock()
self.failIf(self.mutex.test(), "mutex still held")
def test_main():
test.test_support.run_unittest(MutexTest)
if __name__ == "__main__":
test_main()