Issue #10278: Be more explicit in tests than wallclock() is monotonic (cannot
go backward)
diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index 1597ac1..d34b870 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -332,11 +332,16 @@
self.assertEqual(time.strftime('%Z', tt), tzname)
def test_wallclock(self):
- t0 = time.wallclock()
- time.sleep(0.1)
t1 = time.wallclock()
- t = t1 - t0
- self.assertAlmostEqual(t, 0.1, delta=0.2)
+ t2 = time.wallclock()
+ self.assertGreater(t2, t1)
+
+ t1 = time.wallclock()
+ time.sleep(0.1)
+ t2 = time.wallclock()
+ self.assertGreater(t2, t1)
+ dt = t2 - t1
+ self.assertAlmostEqual(dt, 0.1, delta=0.2)
class TestLocale(unittest.TestCase):