1#!/bin/sh
2# Copyright (C) 2021-2023 Free Software Foundation, Inc.
3
4# This program is free software: you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation, either version 3 of the License, or
7# (at your option) any later version.
8
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12# GNU General Public License for more details.
13
14# You should have received a copy of the GNU General Public License
15# along with this program.  If not, see <https://www.gnu.org/licenses/>.
16
17. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
18print_ver_ cat
19
20# \r followed by \n is displayed as ^M$
21# Up to and including 8.32 the $ would have displayed at the start of the line
22# overwriting the first character
23printf 'a\rb\r\nc\n\r\nd\r' > 'in' || framework_failure_
24printf 'a\rb^M$\nc$\n^M$\nd\r' > 'exp' || framework_failure_
25cat -E 'in' > out || fail=1
26compare exp out || fail=1
27
28# Ensure \r\n spanning files (or buffers) is handled
29printf '1\r' > in2 || framework_failure_
30printf '\n2\r\n' > in2b || framework_failure_
31printf '1^M$\n2^M$\n' > 'exp' || framework_failure_
32cat -E 'in2' 'in2b' > out || fail=1
33compare exp out || fail=1
34
35# Ensure \r at end of buffer is handled
36printf '1\r' > in2 || framework_failure_
37printf '2\r\n' > in2b || framework_failure_
38printf '1\r2^M$\n' > 'exp' || framework_failure_
39cat -E 'in2' 'in2b' > out || fail=1
40compare exp out || fail=1
41
42Exit $fail
43