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tests/write-error-msg
54 строки
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Jim Meyering
maint: update copyright dates
03 янв 2026, 03:42
03 янв 2026, 03:42
c635f7d
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#!/bin/sh # Ensure that output errors are reported with errno information. # Copyright 2016-2026 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/>. . "${srcdir=.}/init.sh"; path_prepend_ ../src test -e /dev/full || skip_ your system lacks /dev/full export LC_ALL=C # generate large input, filling the libc stdio buffers # and triggering a write(2) even without line buffering. yes 12345 | head -n 50000 > in || framework_failure_ fail=0 # disk-full error, line buffered # (note: GNU grep returns 2 on error) returns_ 2 grep --line-buffered -v '^$' <in >/dev/full 2>err1 \ || framework_failure_ # disk-full error, unbuffered # (note: GNU grep returns 2 on error) returns_ 2 grep -v '^$' <in >/dev/full 2>err2 \ || framework_failure_ # disk-full error with -q and --help returns_ 2 grep -q --help >/dev/full 2>err3 || fail=1 # ensure each error message file contains a 'write error' with additional text for f in err1 err2 err3 ; do grep -Eiq '^[^:]*: write error' $f \ || { warn_ "incorrect/missing error message in file $f" compare /dev/null $f # print the content in the logs fail=1 } done Exit $fail