#!/bin/sh

# Copyright (c) 2009 Jilles Tjoelker
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

c=: e= s=' '
failures=''
ok=''

check_result() {
	if [ "x$2" = "x$3" ]; then
		ok=x$ok
	else
		failures=x$failures
		echo "For $1, expected $3 actual $2"
	fi
}

IFS=' 	
'
set -- a ''
set -- "$@"
check_result 'set -- "$@"' "($#)($1)($2)" "(2)(a)()"

set -- a ''
set -- "$@"$e
check_result 'set -- "$@"$e' "($#)($1)($2)" "(2)(a)()"

set -- a ''
set -- "$@"$s
check_result 'set -- "$@"$s' "($#)($1)($2)" "(2)(a)()"

IFS="$c"
set -- a ''
set -- "$@"$c
check_result 'set -- "$@"$c' "($#)($1)($2)" "(2)(a)()"

test "x$failures" = x
