test_multiprocessing: tolerate a delta of 30 ms because of bad clock resolution

on Windows
11 years ago · aad7b2e4f5
1 changed files with 4 additions and 2 deletions
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@ -716,9 +716,11 @@ class _TestQueue(BaseTestCase):
    def test_timeout(self):
        q = multiprocessing.Queue()
        start = time.time()
-        self.assertRaises(pyqueue.Empty, q.get, True, 0.2)
+        self.assertRaises(pyqueue.Empty, q.get, True, 0.200)
        delta = time.time() - start
-        self.assertGreaterEqual(delta, 0.18)
+        # Tolerate a delta of 30 ms because of the bad clock resolution on
+        # Windows (usually 15.6 ms)
+        self.assertGreaterEqual(delta, 0.170)

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