freebsd-dev/tools/regression/tmpfs/t_mount

#!/bin/sh
#
# $NetBSD: t_mount,v 1.8 2007/07/24 11:29:16 jmmv Exp $
#
# Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
# 2005 program.
#
# 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. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#        This product includes software developed by the NetBSD
#        Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
#
# $FreeBSD$
#

#
# Verifies that an execution of mount and umount works correctly without
# causing errors and that the root node gets correct attributes.
# Also verifies command line parsing from mount_tmpfs.
#

test_run() {
	test_name "File-system can be mounted"
	test_mount
	test_name "Root directory has two links"
	eval $(stat -s ${Work_Dir})
	[ ${st_nlink} = 2 ] || die
	test_name "File-system can be unmounted"
	test_unmount

	test_name "File-system mount options work"
	test_mount -o ro
	mount | grep ${Work_Dir} | grep -q read-only || die
	test_unmount

	test_name "Root directory attributes are set correctly"
	test_mount -o "uid=1000,gid=100,mode=755"
	eval $(stat -s ${Work_Dir})
	[ ${st_uid} = 1000 ] || die
	[ ${st_gid} = 100 ] || die
	[ ${st_mode} = 040755 ] || die
	test_unmount

	test_name "Negative values are correctly handled"
	test_mount -o "size=-10"
	test_unmount

	test_name "Extremely large values are correctly handled"
	test_mount -o size=9223372036854775807
	test_unmount
	mount -t tmpfs -o size=9223372036854775808 tmpfs ${Work_Dir} \
	    2>/dev/null && die
	mount -t tmpfs -o size=9223372036854775808g tmpfs ${Work_Dir} \
	    2>/dev/null && die
	rmdir ${Work_Dir}
}

. ${SUBRDIR}/h_funcs.subr