diff options
Diffstat (limited to 'tests/misc/cat-proc')
-rwxr-xr-x | tests/misc/cat-proc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/misc/cat-proc b/tests/misc/cat-proc new file mode 100755 index 0000000..22f3847 --- /dev/null +++ b/tests/misc/cat-proc @@ -0,0 +1,60 @@ +#!/bin/sh +# Ensure that cat -E produces same output as cat, module `$'s, +# even when applied to a file in /proc. + +# Copyright (C) 2006 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +if test "$VERBOSE" = yes; then + set -x + cat --version +fi + +pwd=`pwd` +t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$ +trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0 +trap '(exit $?); exit $?' 1 2 13 15 + +framework_failure=0 +mkdir -p $tmp || framework_failure=1 +cd $tmp || framework_failure=1 + +if test $framework_failure = 1; then + echo "$0: failure in testing framework" 1>&2 + (exit 1); exit 1 +fi + +f=/proc/cpuinfo +test -f $f \ + || { + echo "$0: no $f skipping this test" 1>&2 + (exit 77); exit 77 + } + +fail=0 + +# Yes, parts of /proc/cpuinfo might change between cat runs. +# If that happens, consider choosing a file that's less likely to change, +# or just filter out the changing lines. The sed filter should help +# to avoid any spurious numeric differences. +cat -E $f | sed 's/[0-9][0-9]*/D/g' | tr -d '$' > out || fail=1 +cat $f | sed 's/[0-9][0-9]*/D/g' | tr -d '$' > exp || fail=1 + +cmp out exp || fail=1 +test $fail = 1 && diff out exp 2> /dev/null + +(exit $fail); exit $fail |