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