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tests/bracket.sh: disable 'test -N' tests due to noatime mounts

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src/cmd/ksh93/tests/bracket.sh:
- Disable tests for [[ -N ... ]] (test -N ...), because it is
  expected to break on systems where $TMPDIR (or even the entire
  root file system) is mounted with noatime for better performance.
  Ref.: https://opensource.com/article/20/6/linux-noatime
  (It also needs annoyingly long sleep times on older systems with
  a 1-second timestamp granularity.)
This commit is contained in:
Martijn Dekker 2020-06-25 14:18:30 +02:00
parent 2315f6687a
commit 43d9fbac1f
1 changed files with 8 additions and 0 deletions
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8
src/cmd/ksh93/tests/bracket.sh
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@ -232,6 +232,12 @@ done
[[ abcdcdabcde == {5}(ab|cd)e ]] || err_exit 'abcdcdabcd == {5}(ab|cd)e'
) || err_exit 'errors with {..}(...) patterns'
[[ D290.2003.02.16.temp == D290.+(2003.02.16).temp* ]] || err_exit 'pattern match bug with +(...)'
# Tests for [[ -N ... ]] (test -N ...) are disabled because it is expected to break on systems where
# $TMPDIR (or even the entire root file system) is mounted with noatime for better performance.
# Ref.: https://opensource.com/article/20/6/linux-noatime
# (It also needs annoyingly long sleep times on older systems with a 1-second timestamp granularity.)
: <<\end_disabled
rm -rf $file
{
[[ -N $file ]] && err_exit 'test -N $tmp/*: st_mtime>st_atime after creat'
@ -242,6 +248,8 @@ sleep .02
read
[[ -N $file ]] && err_exit 'test -N $tmp/*: st_mtime>st_atime after read'
} > $file < $file
end_disabled
if rm -rf "$file" && ln -s / "$file"
then [[ -L "$file" ]] || err_exit '-L not working'
[[ -L "$file"/ ]] && err_exit '-L with file/ not working'