1#!/bin/sh
2#
3# $NetBSD: h_funcs.subr,v 1.6 2024/04/28 07:27:41 rillig Exp $
4#
5# Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
6# All rights reserved.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27# POSSIBILITY OF SUCH DAMAGE.
28#
29
30Mount_Point=
31
32#
33# test_mount [args]
34#
35#         Mounts tmpfs over ${Mount_Point} and changes the current directory
36#         to the mount point.  Optional arguments may be passed to the
37#         mount command.
38#
39test_mount() {
40          require_fs tmpfs
41
42          Mount_Point=$(pwd)/mntpt
43          atf_check -s exit:0 -o empty -e empty mkdir "${Mount_Point}"
44          echo "mount -t tmpfs ${*} tmpfs ${Mount_Point}"
45          mount -t tmpfs "${@}" tmpfs "${Mount_Point}" 2>mounterr
46          if [ "${?}" -ne 0 ]; then
47                    cat mounterr 1>&2
48                    if grep 'Operation not supported' mounterr > /dev/null; then
49                              atf_skip "tmpfs not supported"
50                    fi
51                    atf_fail "Failed to mount a tmpfs file system"
52          fi
53          cd "${Mount_Point}"
54}
55
56#
57# test_unmount
58#
59#         Unmounts the file system mounted by test_mount.
60#
61test_unmount() {
62          cd - >/dev/null
63          atf_check -s exit:0 -o empty -e empty umount ${Mount_Point}
64          atf_check -s exit:0 -o empty -e empty rmdir ${Mount_Point}
65          Mount_Point=
66}
67
68#
69# kqueue_monitor expected_nevents file1 [.. fileN]
70#
71#         Monitors the commands given through stdin (one per line) using
72#         kqueue and stores the events raised in a log that can be later
73#         verified with kqueue_check.
74#
75kqueue_monitor() {
76          nev=${1}; shift
77          echo "Running kqueue-monitored commands and expecting" \
78              "${nev} events"
79          $(atf_get_srcdir)/h_tools kqueue ${*} >kqueue.log || \
80              atf_fail "Could not launch kqueue monitor"
81          got=$(wc -l kqueue.log | awk '{ print $1 }')
82          test ${got} -eq ${nev} || \
83              atf_fail "Got ${got} events but expected ${nev}"
84}
85
86#
87# kqueue_check file event
88#
89#         Checks if kqueue raised the given event when monitoring the
90#         given file.
91#
92kqueue_check() {
93          echo "Checking if ${1} received ${2}"
94          grep "^${1} - ${2}$" kqueue.log >/dev/null || \
95              atf_fail "${1} did not receive ${2}"
96}
97