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