tests/util/sh/t_exit.sh

   1 # $NetBSD: t_exitstatus.sh,v 1.2 2008/04/30 13:11:00 martin 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 $?
  33 EOF
  34 }
  35
  36 atf_test_case function
  37 function_head() {
  38         atf_set "descr" "Tests that \$? is correctly updated inside" \
  39                         "a function"
  40 }
  41 function_body() {
  42         foo=`crud`
  43         atf_check_equal 'x$foo' 'x1'
  44 }
  45
  46 atf_test_case readout
  47 readout_head() {
  48         atf_set "descr" "Tests that \$? is correctly updated in a" \
  49                         "compound expression"
  50 }
  51 readout_body() {
  52         atf_check_equal '$( true && ! true | false; echo $? )' '0'
  53 }
  54
  55 atf_test_case trap_subshell
  56 trap_subshell_head() {
  57         atf_set "descr" "Tests that the trap statement in a subshell" \
  58             "works when the subshell exits"
  59 }
  60 trap_subshell_body() {
  61         atf_check -s eq:0 -o inline:'exiting\n' -x \
  62             '( trap "echo exiting" EXIT; /usr/bin/true )'
  63 }
  64
  65 atf_init_test_cases() {
  66         atf_add_test_case function
  67         atf_add_test_case readout
  68         atf_add_test_case trap_subshell
  69 }