xref: /freebsd/contrib/netbsd-tests/bin/sh/t_exit.sh (revision 5b9c547c)
1# $NetBSD: t_exit.sh,v 1.3 2012/04/13 06:12:32 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
28crud() {
29	test yes = no
30
31	cat <<EOF
32$?
33EOF
34}
35
36atf_test_case background
37background_head() {
38	atf_set "descr" "Tests that sh(1) sets '$?' properly when running " \
39	                "a command in the background (PR bin/46327)"
40}
41background_body() {
42	atf_check -s exit:0 -o ignore -e ignore -x "true; true & echo $?"
43	atf_check -s exit:0 -o ignore -e ignore -x "false; true & echo $?"
44}
45
46atf_test_case function
47function_head() {
48	atf_set "descr" "Tests that \$? is correctly updated inside" \
49	                "a function"
50}
51function_body() {
52	foo=`crud`
53	atf_check_equal 'x$foo' 'x1'
54}
55
56atf_test_case readout
57readout_head() {
58	atf_set "descr" "Tests that \$? is correctly updated in a" \
59	                "compound expression"
60}
61readout_body() {
62	atf_check_equal '$( true && ! true | false; echo $? )' '0'
63}
64
65atf_test_case trap_subshell
66trap_subshell_head() {
67	atf_set "descr" "Tests that the trap statement in a subshell" \
68	    "works when the subshell exits"
69}
70trap_subshell_body() {
71	atf_check -s eq:0 -o inline:'exiting\n' -x \
72	    '( trap "echo exiting" EXIT; /usr/bin/true )'
73}
74
75atf_test_case trap_zero__implicit_exit
76trap_zero__implicit_exit_body() {
77	# PR bin/6764: sh works but ksh does not"
78	echo '( trap "echo exiting" 0 )' >helper.sh
79	atf_check -s eq:0 -o match:exiting -e empty /bin/sh helper.sh
80	atf_check -s eq:0 -o match:exiting -e empty /bin/ksh helper.sh
81}
82
83atf_test_case trap_zero__explicit_exit
84trap_zero__explicit_exit_body() {
85	echo '( trap "echo exiting" 0; exit )' >helper.sh
86	atf_check -s eq:0 -o match:exiting -e empty /bin/sh helper.sh
87	atf_check -s eq:0 -o match:exiting -e empty /bin/ksh helper.sh
88}
89
90atf_test_case trap_zero__explicit_return
91trap_zero__explicit_return_body() {
92	echo '( trap "echo exiting" 0; return )' >helper.sh
93	atf_check -s eq:0 -o match:exiting -e empty /bin/sh helper.sh
94	atf_check -s eq:0 -o match:exiting -e empty /bin/ksh helper.sh
95}
96
97atf_init_test_cases() {
98	atf_add_test_case background
99	atf_add_test_case function
100	atf_add_test_case readout
101	atf_add_test_case trap_subshell
102	atf_add_test_case trap_zero__implicit_exit
103	atf_add_test_case trap_zero__explicit_exit
104	atf_add_test_case trap_zero__explicit_return
105}
106