1# $NetBSD: t_compexit.sh,v 1.1 2012/03/17 16:33:11 jruoho Exp $
2#
3# Copyright (c) 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# The standard
29# http://www.opengroup.org/onlinepubs/007904975/utilities/set.html
30# says:
31#
32# -e
33#
34# When this option is on, if a simple command fails for any of the
35# reasons listed in Consequences of Shell Errors or returns an exit
36# status value >0, and is not part of the compound list following a
37# while, until, or if keyword, and is not a part of an AND or OR list,
38# and is not a pipeline preceded by the !  reserved word, then the shell
39# shall immediately exit.
40
41crud() {
42	set -e
43	for x in a
44	do
45		BAR="foo"
46		false && echo true
47		echo mumble
48	done
49}
50
51atf_test_case set_e
52set_e_head() {
53	atf_set "descr" "Tests that 'set -e' turns on error detection" \
54	                "and that it behaves as defined by the standard"
55}
56set_e_body() {
57	foo=`crud`
58	atf_check_equal 'x$foo' 'xmumble'
59}
60
61atf_init_test_cases() {
62	atf_add_test_case set_e
63}
64