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#!/bin/bash
#
# Copyright (C) 2013 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="losetup"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_LOSETUP"
ts_check_test_command "$TS_CMD_LSBLK"
# Before checking for loop support we would need to test if losetup -f works at
# all. At least we do a simple executable test for now.
$TS_CMD_LOSETUP --version >/dev/null 2>$TS_OUTPUT || ts_failed
$TS_CMD_LOSETUP --unknownopt >>$TS_OUTPUT 2>/dev/null && ts_failed
test -s $TS_OUTPUT && ts_failed
ts_skip_nonroot
ts_check_losetup
. "$TS_SELF/losetup_functions.sh"
#
# file-* tests: Backing file is a regular file
#
BACKFILE=$(ts_image_init 10)
ts_init_subtest "file-show"
LODEV=$( $TS_CMD_LOSETUP --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest
ts_init_subtest "file-offset"
LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest
ts_init_subtest "file-sizelimit"
LODEV=$( $TS_CMD_LOSETUP --sizelimit 3MiB --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest
ts_init_subtest "file-section"
LODEV=$( $TS_CMD_LOSETUP --offset 1MiB --sizelimit 3MiB --find --show $BACKFILE )
if [ -z "$LODEV" ]; then
ts_log "Failed to create loop device"
fi
lo_print $LODEV >> $TS_OUTPUT
$TS_CMD_LOSETUP -d $LODEV
ts_finalize_subtest
rm -rf $BACKFILE
udevadm settle
ts_finalize
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