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bpo-33873: Add warning when using less than 3 warmup runs in runtest.py. #7736

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Merged
merged 4 commits into from
Jun 16, 2018
Merged

bpo-33873: Add warning when using less than 3 warmup runs in runtest.py. #7736

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677eff9
Add warning when using less than 3 warmup runs in `runtest.py`.
pablogsal Jun 15, 2018
cc7e0de
Move warning to Regrtest.run_test.
pablogsal Jun 15, 2018
d18f143
Mention --huntrleaks/-R in the warning message
pablogsal Jun 15, 2018
1696a14
fixup! Mention --huntrleaks/-R in the warning message
pablogsal Jun 16, 2018
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7 changes: 7 additions & 0 deletions Lib/test/libregrtest/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -462,6 +462,13 @@ def run_tests(self):
or self.tests or self.ns.args)):
self.display_header()

if self.ns.huntrleaks:
warmup, repetitions, _ = self.ns.huntrleaks
if warmup < 3:
msg = ("WARNING: Running tests with --huntrleaks/-R and less than "
"3 warmup repetitions can give false positives!")
print(msg, file=sys.stdout, flush=True)

if self.ns.randomize:
print("Using random seed", self.ns.random_seed)

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