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add test

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checks that ZSTD_NBTHREADS triggers the expected verbose message

Also: checked that the new test script fails on current `dev` branch, and is fixed by this branch
This commit is contained in:
Yann Collet
2025-03-10 13:40:47 -07:00
parent 56e2ebf5c3
commit c18374bb16
1 changed files with 5 additions and 1 deletions
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6
tests/playTests.sh
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@ -1570,7 +1570,11 @@ then
ZSTD_NBTHREADS=3a7 zstd -f mt_tmp # malformed env var, warn and revert to default setting
ZSTD_NBTHREADS=50000000000 zstd -f mt_tmp # numeric value too large, warn and revert to default setting=
ZSTD_NBTHREADS=2 zstd -f mt_tmp # correct usage
ZSTD_NBTHREADS=1 zstd -f mt_tmp # correct usage: single thread
ZSTD_NBTHREADS=1 zstd -f mt_tmp # correct usage: single worker
ZSTD_NBTHREADS=4 zstd -f mt_tmp -vv 2>&1 | grep "4 worker threads" # check message
zstd -tq mt_tmp.zst
ZSTD_NBTHREADS=0 zstd -f mt_tmp -vv 2>&1 | grep "core(s) detected" # check core count autodetection is triggered
zstd -tq mt_tmp.zst
# temporary envvar changes in the above tests would actually persist in macos /bin/sh
unset ZSTD_NBTHREADS
rm -f mt_tmp*