51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
# Copyright (c) 2008-2009 AG Projects
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# Author: Denis Bilenko
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import unittest
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from eventlet import api, coros
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from tests import LimitedTestCase
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class TestSemaphore(LimitedTestCase):
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def test_bounded(self):
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# this was originally semaphore's doctest
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sem = coros.BoundedSemaphore(2, limit=3)
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self.assertEqual(sem.acquire(), True)
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self.assertEqual(sem.acquire(), True)
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api.spawn(sem.release)
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self.assertEqual(sem.acquire(), True)
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self.assertEqual(-3, sem.balance)
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sem.release()
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sem.release()
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sem.release()
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api.spawn(sem.acquire)
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sem.release()
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self.assertEqual(3, sem.balance)
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def test_bounded_with_zero_limit(self):
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sem = coros.semaphore(0, 0)
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api.spawn(sem.acquire)
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sem.release()
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if __name__=='__main__':
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unittest.main()
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