bpo-30649: test_os tolerates 50 ms delta for utime (#2156)
On Windows, tolerate a delta of 50 ms instead of 20 ms in
test_utime_current() and test_utime_current_old() of test_os.
On other platforms, reduce the delta from 20 ms to 10 ms.
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 4a21ff7..bc1b0ee 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -621,9 +621,12 @@
if not self.support_subsecond(self.fname):
delta = 1.0
+ elif os.name == 'nt':
+ # On Windows, the usual resolution of time.time() is 15.6 ms.
+ # bpo-30649: Tolerate 50 ms for slow Windows buildbots.
+ delta = 0.050
else:
- # On Windows, the usual resolution of time.time() is 15.6 ms
- delta = 0.020
+ delta = 0.010
st = os.stat(self.fname)
msg = ("st_time=%r, current=%r, dt=%r"
% (st.st_mtime, current, st.st_mtime - current))