tests/bin/sh/t_exit.sh

   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
  28 crud() {
  29         test yes = no
  30
  31         cat <<EOF
  32 $?
  33 EOF
  34 }
  35
  36 atf_test_case background
  37 background_head() {
  38         atf_set "descr" "Tests that sh(1) sets '$?' properly when running " \
  39                         "a command in the background (PR bin/46327)"
  40 }
  41 background_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 $?"
  44 }
  45
  46 atf_test_case function
  47 function_head() {
  48         atf_set "descr" "Tests that \$? is correctly updated inside" \
  49                         "a function"
  50 }
  51 function_body() {
  52         foo=`crud`
  53         atf_check_equal 'x$foo' 'x1'
  54 }
  55
  56 atf_test_case readout
  57 readout_head() {
  58         atf_set "descr" "Tests that \$? is correctly updated in a" \
  59                         "compound expression"
  60 }
  61 readout_body() {
  62         atf_check_equal '$( true && ! true | false; echo $? )' '0'
  63 }
  64
  65 atf_test_case trap_subshell
  66 trap_subshell_head() {
  67         atf_set "descr" "Tests that the trap statement in a subshell" \
  68             "works when the subshell exits"
  69 }
  70 trap_subshell_body() {
  71         atf_check -s eq:0 -o inline:'exiting\n' -x \
  72             '( trap "echo exiting" EXIT; /usr/bin/true )'
  73 }
  74
  75 atf_test_case trap_zero__implicit_exit
  76 trap_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
  83 atf_test_case trap_zero__explicit_exit
  84 trap_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
  90 atf_test_case trap_zero__explicit_return
  91 trap_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
  97 atf_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 }