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| author | Victor Stinner <victor.stinner@gmail.com> | 2017-09-01 11:05:27 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-01 11:05:27 (GMT) |
| commit | 6c2feabc5dac2f3049b15134669e9ad5af573193 (patch) | |
| tree | 641056b462afdc86801807caf7617acd17da13d4 | |
| parent | 122e88a8354e3f75aeaf6211232dac88ac296d54 (diff) | |
| download | cpython-6c2feabc5dac2f3049b15134669e9ad5af573193.zip cpython-6c2feabc5dac2f3049b15134669e9ad5af573193.tar.gz cpython-6c2feabc5dac2f3049b15134669e9ad5af573193.tar.bz2 | |
bpo-31217: Fix regrtest -R for small integer (#3260)
Use a pool of integer objects toprevent false alarm when checking for
memory block leaks. Fill the pool with values in -1000..1000 which
are the most common (reference, memory block, file descriptor)
differences.
Co-Authored-By: Antoine Pitrou <pitrou@free.fr>
| -rw-r--r-- | Lib/test/libregrtest/refleak.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Lib/test/libregrtest/refleak.py b/Lib/test/libregrtest/refleak.py index efe5210..18d5bd0 100644 --- a/Lib/test/libregrtest/refleak.py +++ b/Lib/test/libregrtest/refleak.py @@ -38,6 +38,14 @@ def dash_R(the_module, test, indirect_test, huntrleaks): for obj in abc.__subclasses__() + [abc]: abcs[obj] = obj._abc_registry.copy() + # bpo-31217: Integer pool to get a single integer object for the same + # value. The pool is used to prevent false alarm when checking for memory + # block leaks. Fill the pool with values in -1000..1000 which are the most + # common (reference, memory block, file descriptor) differences. + int_pool = {value: value for value in range(-1000, 1000)} + def get_pooled_int(value): + return int_pool.setdefault(value, value) + nwarmup, ntracked, fname = huntrleaks fname = os.path.join(support.SAVEDCWD, fname) repcount = nwarmup + ntracked @@ -56,9 +64,9 @@ def dash_R(the_module, test, indirect_test, huntrleaks): abcs) print('.', end='', file=sys.stderr, flush=True) if i >= nwarmup: - rc_deltas[i] = rc_after - rc_before - alloc_deltas[i] = alloc_after - alloc_before - fd_deltas[i] = fd_after - fd_before + rc_deltas[i] = get_pooled_int(rc_after - rc_before) + alloc_deltas[i] = get_pooled_int(alloc_after - alloc_before) + fd_deltas[i] = get_pooled_int(fd_after - fd_before) alloc_before = alloc_after rc_before = rc_after fd_before = fd_after |