1#!/bin/sh 2# Unit tests for init.sh 3# Copyright (C) 2011-2018 Free Software Foundation, Inc. 4# This file is part of the GNUlib Library. 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: ${srcdir=.} 20. "$srcdir/init.sh"; path_prepend_ . 21 22fail=0 23 24test_compare() 25{ 26 touch empty || fail=1 27 echo xyz > in || fail=1 28 29 compare /dev/null /dev/null >out 2>err || fail=1 30 test -s out && fail_ "out not empty: $(cat out)" 31 # "err" should be empty, too, but has "set -x" output when VERBOSE=yes 32 case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac 33 34 compare /dev/null empty >out 2>err || fail=1 35 test -s out && fail_ "out not empty: $(cat out)" 36 case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac 37 38 compare in in >out 2>err || fail=1 39 test -s out && fail_ "out not empty: $(cat out)" 40 case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac 41 42 compare /dev/null in >out 2>err && fail=1 43 cat <<\EOF > exp 44diff -u /dev/null in 45--- /dev/null 1970-01-01 46+++ in 1970-01-01 47+xyz 48EOF 49 compare exp out || fail=1 50 case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac 51 52 compare empty in >out 2>err && fail=1 53 # Compare against expected output only if compare is using diff -u. 54 if grep @ out >/dev/null; then 55 # Remove the TAB-date suffix on each --- and +++ line, 56 # for both the expected and the actual output files. 57 # Also remove the @@ line, since Solaris 5.10 and GNU diff formats differ: 58 # -@@ -0,0 +1 @@ 59 # +@@ -1,0 +1,1 @@ 60 # Also, remove space after leading '+', since AIX 7.1 diff outputs a space. 61 sed 's/ .*//;/^@@/d;s/^+ /+/' out > k && mv k out 62 cat <<\EOF > exp 63--- empty 64+++ in 65+xyz 66EOF 67 compare exp out || fail=1 68 fi 69 case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac 70} 71 72test_compare 73 74Exit $fail 75