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#!/bin/sh
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# Unit tests for init.sh
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# Copyright (C) 2011-2017 Free Software Foundation, Inc.
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# This file is part of the GNUlib Library.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>. */
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: ${srcdir=.}
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. "$srcdir/init.sh"; path_prepend_ .
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fail=0
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test_compare()
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{
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touch empty || fail=1
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echo xyz > in || fail=1
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compare /dev/null /dev/null >out 2>err || fail=1
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test -s out && fail_ "out not empty: $(cat out)"
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# "err" should be empty, too, but has "set -x" output when VERBOSE=yes
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case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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compare /dev/null empty >out 2>err || fail=1
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test -s out && fail_ "out not empty: $(cat out)"
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case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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compare in in >out 2>err || fail=1
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test -s out && fail_ "out not empty: $(cat out)"
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case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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compare /dev/null in >out 2>err && fail=1
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cat <<\EOF > exp
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diff -u /dev/null in
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--- /dev/null 1970-01-01
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+++ in 1970-01-01
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+xyz
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EOF
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compare exp out || fail=1
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case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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compare empty in >out 2>err && fail=1
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# Compare against expected output only if compare is using diff -u.
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if grep @ out >/dev/null; then
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# Remove the TAB-date suffix on each --- and +++ line,
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# for both the expected and the actual output files.
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# Also remove the @@ line, since Solaris 5.10 and GNU diff formats differ:
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# -@@ -0,0 +1 @@
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# +@@ -1,0 +1,1 @@
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# Also, remove space after leading '+', since AIX 7.1 diff outputs a space.
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sed 's/ .*//;/^@@/d;s/^+ /+/' out > k && mv k out
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cat <<\EOF > exp
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--- empty
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+++ in
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+xyz
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EOF
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compare exp out || fail=1
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fi
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case $- in *x*) ;; *) test -s err && fail_ "err not empty: $(cat err)";; esac
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}
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test_compare
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Exit $fail
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