#!/bin/bash

#
# Copyright (C) 2016 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This file 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.
#

TS_TOPDIR="${0%/*}/../.."
TS_DESC="DM error"

. $TS_TOPDIR/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_BLKID"

ts_skip_nonroot
ts_check_prog "dmsetup"

DEVNAME="blkid-dm-err"
DEVICE="/dev/mapper/${DEVNAME}"

ts_log "Initialize device"
echo "0 262144 error" | dmsetup create $DEVNAME

# Some tests are run in LXD containers on Travis CI where `mknod` doesn't always work
# https://docs.travis-ci.com/user/multi-cpu-architectures/#security-and-lxd-container
# https://linuxcontainers.org/lxd/docs/master/syscall-interception
if [ "$TRAVIS" == "true" ] && [ ! -b "$DEVICE" ]; then
	ts_skip "$DEVICE wasn't created"
fi

ts_log "Probe device"
$TS_CMD_BLKID -p -o udev $DEVICE >> $TS_OUTPUT 2>> $TS_ERRLOG
echo "Return code: $?" >> $TS_OUTPUT

udevadm settle
ts_log "Deinitialize device"

dmsetup remove $DEVNAME

ts_finalize