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bpo-33723: Fix test_time.test_thread_time() #10724

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Merged
merged 1 commit into from
Nov 26, 2018
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bpo-33723: Fix test_time.test_thread_time() #10724

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10 changes: 7 additions & 3 deletions Lib/test/test_time.py
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Original file line number Diff line number Diff line change
Expand Up @@ -496,7 +496,8 @@ def test_process_time(self):
self.assertLess(stop - start, 0.020)

# bpo-33723: A busy loop of 100 ms should increase process_time()
# by at least 15 ms
# by at least 15 ms. Tolerate 15 ms because of the bad resolution of
# the clock on Windows (around 15.6 ms).
min_time = 0.015
busy_time = 0.100

Expand Down Expand Up @@ -534,8 +535,11 @@ def test_thread_time(self):
self.assertLess(stop - start, 0.020)

# bpo-33723: A busy loop of 100 ms should increase thread_time()
# by at least 15 ms
# by at least 15 ms, but less than 30 ms in other threads.
# Tolerate 15 and 30 ms because of the bad resolution
# of the clock on Windows (around 15.6 ms).
min_time = 0.015
max_time = 0.030
busy_time = 0.100

# thread_time() should include CPU time spent in current thread...
Expand All @@ -550,7 +554,7 @@ def test_thread_time(self):
t.start()
t.join()
stop = time.thread_time()
self.assertLess(stop - start, min_time)
self.assertLess(stop - start, max_time)

info = time.get_clock_info('thread_time')
self.assertTrue(info.monotonic)
Expand Down