From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 23 Jan 2014 14:07:26 +0000 (+0100)
Subject: Issue #20311: add debug help in test_selectors
X-Git-Tag: v3.4.0b3~50
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=da94b9ebeb02bfe51c48a9a979284016548ffb34;p=python

Issue #20311: add debug help in test_selectors
---

diff --git a/Lib/test/test_selectors.py b/Lib/test/test_selectors.py
index d306aef773..130e0a8c1f 100644
--- a/Lib/test/test_selectors.py
+++ b/Lib/test/test_selectors.py
@@ -5,7 +5,7 @@ import selectors
 import signal
 import socket
 from test import support
-from time import sleep, perf_counter
+from time import sleep, perf_counter, get_clock_info
 import unittest
 import unittest.mock
 try:
@@ -377,7 +377,10 @@ class BaseSelectorTestCase(unittest.TestCase):
             t0 = perf_counter()
             s.select(timeout)
             dt = perf_counter() - t0
-            self.assertGreaterEqual(dt, timeout)
+            clock = get_clock_info('perf_counter')
+            self.assertGreaterEqual(dt, timeout,
+                                    "%.30f < %.30f ; clock=%s"
+                                    % (dt, timeout, clock))
 
 
 class ScalableSelectorMixIn: