#!/bin/sh
#
# Check descriptor set parsing syntax.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2016-2018 The strace developers.
# 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.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.

. "${srcdir=.}/syntax.sh"

check_fd_qualify()
{
	check_e "invalid descriptor '$1'" -e"read=$2"
	check_e "invalid descriptor '$1'" -e "read=$2"
	check_e "invalid descriptor '$1'" -e"write=$2"
	check_e "invalid descriptor '$1'" -e "write=$2"
}

for arg in '' , ,, ,,, ; do
	check_fd_qualify "$arg" "$arg"
	check_fd_qualify "!$arg" "!$arg"
done

for arg in -1 -42 \
	   not_fd \
	   2147483648 \
	   4294967296 \
	   ; do
	check_fd_qualify "$arg" "$arg"
	check_fd_qualify "$arg" "1,$arg"
	check_fd_qualify "$arg" "$arg,1"
	check_fd_qualify "$arg" "!$arg"
done

for arg in ! all none; do
	check_fd_qualify "$arg" "1,$arg"
	check_fd_qualify "!$arg" "1,!$arg"
done