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Diffstat (limited to 'tools/regression/tmpfs/t_sizes')
| -rw-r--r-- | tools/regression/tmpfs/t_sizes | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/tools/regression/tmpfs/t_sizes b/tools/regression/tmpfs/t_sizes new file mode 100644 index 000000000000..d129ef076949 --- /dev/null +++ b/tools/regression/tmpfs/t_sizes @@ -0,0 +1,91 @@ +#!/bin/sh +# +# $NetBSD: t_sizes,v 1.6 2007/03/11 10:09:17 pooka Exp $ +# +# Copyright (c) 2005, 2006 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. +# +# 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. +# +# + +# +# Verifies that the file system controls memory usage correctly. +# + +test_run() { + test_mount -o size=10485760 + + pagesize=$(sysctl hw.pagesize | cut -d ' ' -f 2) + + test_name "Get status of clean filesystem" + eval $(${Src_Dir}/h_tools statvfs . | sed -e 's|^f_|cf_|') + cf_bused=$((${cf_blocks} - ${cf_bfree})) + + test_name "Creation of small file" + echo a >a || die + test_name "statvfs(2) reports correct block accounting" + eval $(${Src_Dir}/h_tools statvfs .) + f_bused=$((${f_blocks} - ${f_bfree})) + [ ${f_bused} -gt 1 ] || die + rm a || die + + test_name "Creation of big file" + dd if=/dev/zero of=a bs=1m count=5 >/dev/null 2>&1 || die + test_name "statvfs(2) reports correct block accounting" + eval $(${Src_Dir}/h_tools statvfs .) + f_bused=$((${f_blocks} - ${f_bfree})) + [ ${f_bused} -ne ${cf_bused} ] || die + [ ${f_bused} -gt $((5 * 1024 * 1024 / ${pagesize})) ] || die + of_bused=${f_bused} + rm a || die + eval $(${Src_Dir}/h_tools statvfs .) + f_bused=$((${f_blocks} - ${f_bfree})) + [ ${f_bused} -lt ${of_bused} ] || die + + test_name "Creation of big file that overflows the filesystem" + of_bused=${f_bused} + dd if=/dev/zero of=a bs=1m count=15 >/dev/null 2>&1 && die + rm a || die + test_name "statvfs(2) reports correct block accounting" + eval $(${Src_Dir}/h_tools statvfs .) + f_bused=$((${f_blocks} - ${f_bfree})) + [ ${f_bused} -ge ${of_bused} -a ${f_bused} -le $((${of_bused} + 1)) ] \ + || die + + test_name "Write to middle of a file does not change size" + dd if=/dev/zero of=a bs=1024 count=10 >/dev/null 2>&1 || die + sync + dd if=/dev/zero of=a bs=1024 conv=notrunc seek=1 count=1 \ + >/dev/null 2>&1 || die + sync + eval $(stat -s a) + [ ${st_size} -eq 10240 ] || die + + test_unmount +} + +. ${SUBRDIR}/h_funcs.subr |