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