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t_exit.sh revision 1.3 
      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 }
    106