1#!/bin/sh
2# Ensure that df exits non-Zero and writes an error message when
3# --total is used but no file system has been processed.
4
5# Copyright (C) 2012-2023 Free Software Foundation, Inc.
6
7# This program is free software: you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation, either version 3 of the License, or
10# (at your option) any later version.
11
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <https://www.gnu.org/licenses/>.
19
20. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
21print_ver_ df
22require_mount_list_
23
24cat <<\EOF > exp || framework_failure_
25df: no file systems processed
26EOF
27
28# Check we exit with non-Zero.
29# Note we don't check when the file system can't be determined
30# as -t filtering is not applied in that case.
31if test "$(df --output=fstype . | tail -n1)" != '-'; then
32  df -t _non_existent_fstype_ --total . 2>out && fail=1
33  compare exp out || fail=1
34fi
35
36cat <<\EOF > exp || framework_failure_
37df: _does_not_exist_: No such file or directory
38EOF
39
40# Ensure that df writes the error message also in the following case.
41df --total _does_not_exist_ 2>out && fail=1
42compare exp out || fail=1
43
44Exit $fail
45