mirror of
git://git.sv.gnu.org/coreutils
synced 2026-05-06 23:19:32 -04:00
Pádraig Brady
b48ec50b50
* tests/misc/responsive.sh: Test commands that should output immediately upon receiving input, and that there is no unecessary buffering. * cfg.mk: Avoid false failure in sc_prohibit_test_backticks. * tests/local.mk: Reference the new test.
86 lines
2.0 KiB
Bash
Executable File
86 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
|
|
# Make sure all of these programs are responsive to input
|
|
|
|
# Copyright (C) 2026 Free Software Foundation, Inc.
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
|
|
print_ver_ stdbuf
|
|
|
|
# stdbuf fails when the absolute top build dir name contains e.g.,
|
|
# space, TAB, NL
|
|
lf='
|
|
'
|
|
case $abs_top_builddir in
|
|
*[\\\"\#\$\&\'\`$lf\ \ ]*)
|
|
skip_ "unsafe absolute build directory name: $abs_top_builddir";;
|
|
esac
|
|
|
|
stdbuf -oL true || skip_ 'stdbuf not supported'
|
|
|
|
mkfifo_or_skip_ in
|
|
mkfifo_or_skip_ hold
|
|
|
|
printf '%s' "\
|
|
cat
|
|
cut -b1
|
|
cut -c1
|
|
cut -f1
|
|
date -f -
|
|
expand
|
|
#factor TODO
|
|
fold
|
|
head -n1
|
|
head -c1
|
|
nl
|
|
numfmt
|
|
paste
|
|
pr
|
|
tail -n+1
|
|
tail -c+1
|
|
tee
|
|
tr 1 1
|
|
unexpand
|
|
uniq
|
|
" |
|
|
sort -k 1b,1 > all_readers || framework_failure_
|
|
|
|
printf '%s\n' $built_programs |
|
|
sort -k 1b,1 > built_programs || framework_failure_
|
|
|
|
join all_readers built_programs > built_readers || framework_failure_
|
|
|
|
nonempty() { sleep $1; test -s out; }
|
|
|
|
cleanup_()
|
|
{
|
|
kill $writer_pid 2>/dev/null && wait $writer_pid
|
|
kill $reader_pid 2>/dev/null && wait $reader_pid
|
|
}
|
|
|
|
while read reader; do
|
|
rm -f out || framework_failure_
|
|
stdbuf -oL $reader <in >out & reader_pid=$!
|
|
{ printf '1\n'; read x <hold || :; } >in & writer_pid=$!
|
|
retry_delay_ nonempty .1 6 ||
|
|
{ printf 'no output from: %s\n' "$reader" >&2; fail=1; }
|
|
printf release >hold || framework_failure_
|
|
wait $writer_pid || framework_failure_
|
|
wait $reader_pid || fail=1
|
|
done < built_readers
|
|
|
|
|
|
Exit $fail
|