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#!/bin/sh
# Unit tests for init.sh
# Copyright (C) 2011-2016 Free Software Foundation, Inc.
# This file is part of the GNUlib Library.
#
# 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 <http://www.gnu.org/licenses/>. */
: ${srcdir=.}
. "$srcdir/init.sh"; path_prepend_ .
fail=0
test_compare()
{
touch empty || fail=1
echo xyz > in || fail=1
compare /dev/null /dev/null >out 2>err || fail=1
test -s out && fail_ "out not empty: $(cat out)"
# "err" should be empty, too, but has "set -x" output when VERBOSE=yes
case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
compare /dev/null empty >out 2>err || fail=1
test -s out && fail_ "out not empty: $(cat out)"
case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
compare in in >out 2>err || fail=1
test -s out && fail_ "out not empty: $(cat out)"
case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
compare /dev/null in >out 2>err && fail=1
cat <<\EOF > exp
diff -u /dev/null in
--- /dev/null 1970-01-01
+++ in 1970-01-01
+xyz
EOF
compare exp out || fail=1
case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
compare empty in >out 2>err && fail=1
# Compare against expected output only if compare is using diff -u.
if grep @ out >/dev/null; then
# Remove the TAB-date suffix on each --- and +++ line,
# for both the expected and the actual output files.
# Also remove the @@ line, since Solaris 5.10 and GNU diff formats differ:
# -@@ -0,0 +1 @@
# +@@ -1,0 +1,1 @@
sed 's/ .*//;/^@@/d' out > k && mv k out
cat <<\EOF > exp
--- empty
+++ in
+xyz
EOF
compare exp out || fail=1
fi
case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
}
test_compare
Exit $fail
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