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t_sizes.sh revision 1.1.8.1 
      1 # $NetBSD: t_sizes.sh,v 1.1.8.1 2008/05/18 12:36:01 yamt Exp $
      2 #
      3 # Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions
      8 # are met:
      9 # 1. Redistributions of source code must retain the above copyright
     10 #    notice, this list of conditions and the following disclaimer.
     11 # 2. Redistributions in binary form must reproduce the above copyright
     12 #    notice, this list of conditions and the following disclaimer in the
     13 #    documentation and/or other materials provided with the distribution.
     14 #
     15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25 # POSSIBILITY OF SUCH DAMAGE.
     26 #
     27 
     28 #
     29 # Verifies that the file system controls memory usage correctly.
     30 #
     31 
     32 atf_test_case small
     33 small_head() {
     34 	atf_set "descr" "Checks the status after creating a small file"
     35 	atf_set "require.user" "root"
     36 }
     37 small_body() {
     38 	test_mount -o -s10M
     39 
     40 	echo a >a || atf_fail "Could not create file"
     41 	eval $($(atf_get_srcdir)/h_tools statvfs .)
     42 	f_bused=$((${f_blocks} - ${f_bfree}))
     43 	[ ${f_bused} -gt 1 ] || atf_fail "Incorrect bused count"
     44 	atf_check 'rm a' 0 null null
     45 
     46 	test_unmount
     47 }
     48 
     49 atf_test_case big
     50 big_head() {
     51 	atf_set "descr" "Checks the status after creating a big file"
     52 	atf_set "require.user" "root"
     53 }
     54 big_body() {
     55 	test_mount -o -s10M
     56 
     57 	pagesize=$(sysctl hw.pagesize | cut -d ' ' -f 3)
     58 	eval $($(atf_get_srcdir)/h_tools statvfs . | sed -e 's|^f_|cf_|')
     59 	cf_bused=$((${cf_blocks} - ${cf_bfree}))
     60 
     61 	atf_check 'dd if=/dev/zero of=a bs=1m count=5' 0 ignore ignore
     62 	eval $($(atf_get_srcdir)/h_tools statvfs .)
     63 	f_bused=$((${f_blocks} - ${f_bfree}))
     64 	[ ${f_bused} -ne ${cf_bused} ] || atf_fail "bused did not change"
     65 	[ ${f_bused} -gt $((5 * 1024 * 1024 / ${pagesize})) ] || \
     66 	    atf_fail "bused too big"
     67 	of_bused=${f_bused}
     68 	atf_check 'rm a' 0 null null
     69 	eval $($(atf_get_srcdir)/h_tools statvfs .)
     70 	f_bused=$((${f_blocks} - ${f_bfree}))
     71 	[ ${f_bused} -lt ${of_bused} ] || \
     72 	    atf_fail "bused was not correctly restored"
     73 
     74 	test_unmount
     75 }
     76 
     77 atf_test_case overflow
     78 overflow_head() {
     79 	atf_set "descr" "Checks the status after creating a big file that" \
     80 	                "overflows the file system limits"
     81 	atf_set "require.user" "root"
     82 }
     83 overflow_body() {
     84 	test_mount -o -s10M
     85 
     86 	atf_check 'touch a' 0 null null
     87 	atf_check 'rm a' 0 null null
     88 	eval $($(atf_get_srcdir)/h_tools statvfs .)
     89 	of_bused=$((${f_blocks} - ${f_bfree}))
     90 	atf_check 'dd if=/dev/zero of=a bs=1m count=15' 1 ignore ignore
     91 	atf_check 'rm a' 0 null null
     92 	eval $($(atf_get_srcdir)/h_tools statvfs .)
     93 	f_bused=$((${f_blocks} - ${f_bfree}))
     94 	[ ${f_bused} -ge ${of_bused} -a ${f_bused} -le $((${of_bused} + 1)) ] \
     95 	    || atf_fail "Incorrect bused"
     96 
     97 	test_unmount
     98 }
     99 
    100 atf_test_case overwrite
    101 overwrite_head() {
    102 	atf_set "descr" "Checks that writing to the middle of a file" \
    103 	                "does not change its size"
    104 	atf_set "require.user" "root"
    105 }
    106 overwrite_body() {
    107 	test_mount -o -s10M
    108 
    109 	atf_check 'dd if=/dev/zero of=a bs=1024 count=10' 0 ignore ignore
    110 	sync
    111 	atf_check 'dd if=/dev/zero of=a bs=1024 conv=notrunc seek=1 count=1' \
    112 	     0 ignore ignore
    113 	sync
    114 	eval $(stat -s a)
    115 	[ ${st_size} -eq 10240 ] || atf_fail "Incorrect file size"
    116 
    117 	test_unmount
    118 }
    119 
    120 atf_init_test_cases() {
    121 	. $(atf_get_srcdir)/../h_funcs.subr
    122 	. $(atf_get_srcdir)/h_funcs.subr
    123 
    124 	atf_add_test_case small
    125 	atf_add_test_case big
    126 	atf_add_test_case overflow
    127 	atf_add_test_case overwrite
    128 }
    129