Add python-eventlet package to MOS 8.0 repository

[packages/trusty/python-eventlet.git] / python-eventlet / tests / semaphore_test.py

diff --git a/eventlet/tests/semaphore_test.py b/python-eventlet/tests/semaphore_test.py
similarity index 74%
rename from eventlet/tests/semaphore_test.py
rename to python-eventlet/tests/semaphore_test.py
index 13163302480d06ae6d8ef7e07b3749aa570b2f4d..ced91364534fc7ee8424ff1a32b6f19369115dca 100644 (file)
--- a/eventlet/tests/semaphore_test.py
+++ b/python-eventlet/tests/semaphore_test.py
@@ -45,5 +45,24 @@ class TestSemaphore(LimitedTestCase):
         self.assertRaises(ValueError, sem.acquire, blocking=False, timeout=1)
 
 
+def test_semaphore_contention():
+    g_mutex = semaphore.Semaphore()
+    counts = [0, 0]
+
+    def worker(no):
+        while min(counts) < 200:
+            with g_mutex:
+                counts[no - 1] += 1
+                eventlet.sleep(0.001)
+
+    t1 = eventlet.spawn(worker, no=1)
+    t2 = eventlet.spawn(worker, no=2)
+    eventlet.sleep(0.5)
+    t1.kill()
+    t2.kill()
+
+    assert abs(counts[0] - counts[1]) < int(min(counts) * 0.1), counts
+
+
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main()
\ No newline at end of file