diff options
Diffstat (limited to '')
| -rwxr-xr-x | tests/rm/read-only.sh | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tests/rm/read-only.sh b/tests/rm/read-only.sh new file mode 100755 index 0000000..571e1d4 --- /dev/null +++ b/tests/rm/read-only.sh @@ -0,0 +1,52 @@ +#!/bin/sh +# Ensure that rm -f nonexistent-file-on-read-only-fs succeeds. + +# Copyright (C) 2009-2018 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/>. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ rm +require_root_ + +cwd=$(pwd) +cleanup_() { cd /; umount "$cwd/mnt"; } + +skip=0 +# Create a file system, then mount it. +dd if=/dev/zero of=blob bs=8192 count=200 > /dev/null 2>&1 \ + || skip=1 +mkdir mnt || skip=1 +mkfs -t ext2 -F blob \ + || skip_ "failed to create ext2 file system" + +mount -oloop blob mnt || skip=1 +echo test > mnt/f || skip=1 +test -s mnt/f || skip=1 +mount -o remount,loop,ro mnt || skip=1 + +test $skip = 1 \ + && skip_ "insufficient mount/ext2 support" + +# Applying rm -f to a nonexistent file on a read-only file system must succeed. +rm -f mnt/no-such > out 2>&1 || fail=1 +# It must produce no diagnostic. +compare /dev/null out || fail=1 + +# However, trying to remove an existing file must fail. +rm -f mnt/f > out 2>&1 && fail=1 +# with a diagnostic. +compare /dev/null out && fail=1 + +Exit $fail |