1#!/bin/sh
2# Check that cat operates correctly when the input is the same as the output.
3
4# Copyright 2014-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ cat
21
22echo x >out || framework_failure_
23echo x >out1 || framework_failure_
24returns_ 1 cat out >>out || fail=1
25compare out out1 || fail=1
26
27# This example is taken from the POSIX spec for 'cat'.
28echo x >doc || framework_failure_
29echo y >doc.end || framework_failure_
30cat doc doc.end >doc || fail=1
31compare doc doc.end || fail=1
32
33Exit $fail
34