xref: /src/tests/bin/sh/t_exit.sh

# $NetBSD: t_exit.sh,v 1.3 2012/04/13 06:12:32 jruoho Exp $
#
# Copyright (c) 2007 The NetBSD Foundation, Inc.
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crud() {
	test yes = no

	cat <<EOF
$?
EOF
}

atf_test_case background
background_head() {
	atf_set "descr" "Tests that sh(1) sets '$?' properly when running " \
	                "a command in the background (PR bin/46327)"
}
background_body() {
	atf_check -s exit:0 -o ignore -e ignore -x "true; true & echo $?"
	atf_check -s exit:0 -o ignore -e ignore -x "false; true & echo $?"
}

atf_test_case function
function_head() {
	atf_set "descr" "Tests that \$? is correctly updated inside" \
	                "a function"
}
function_body() {
	foo=`crud`
	atf_check_equal 'x$foo' 'x1'
}

atf_test_case readout
readout_head() {
	atf_set "descr" "Tests that \$? is correctly updated in a" \
	                "compound expression"
}
readout_body() {
	atf_check_equal '$( true && ! true | false; echo $? )' '0'
}

atf_test_case trap_subshell
trap_subshell_head() {
	atf_set "descr" "Tests that the trap statement in a subshell" \
	    "works when the subshell exits"
}
trap_subshell_body() {
	atf_check -s eq:0 -o inline:'exiting\n' -x \
	    '( trap "echo exiting" EXIT; /usr/bin/true )'
}

atf_test_case trap_zero__implicit_exit
trap_zero__implicit_exit_body() {
	# PR bin/6764: sh works but ksh does not"
	echo '( trap "echo exiting" 0 )' >helper.sh
	atf_check -s eq:0 -o match:exiting -e empty /bin/sh helper.sh
	atf_check -s eq:0 -o match:exiting -e empty /bin/ksh helper.sh
}

atf_test_case trap_zero__explicit_exit
trap_zero__explicit_exit_body() {
	echo '( trap "echo exiting" 0; exit )' >helper.sh
	atf_check -s eq:0 -o match:exiting -e empty /bin/sh helper.sh
	atf_check -s eq:0 -o match:exiting -e empty /bin/ksh helper.sh
}

atf_test_case trap_zero__explicit_return
trap_zero__explicit_return_body() {
	echo '( trap "echo exiting" 0; return )' >helper.sh
	atf_check -s eq:0 -o match:exiting -e empty /bin/sh helper.sh
	atf_check -s eq:0 -o match:exiting -e empty /bin/ksh helper.sh
}

atf_init_test_cases() {
	atf_add_test_case background
	atf_add_test_case function
	atf_add_test_case readout
	atf_add_test_case trap_subshell
	atf_add_test_case trap_zero__implicit_exit
	atf_add_test_case trap_zero__explicit_exit
	atf_add_test_case trap_zero__explicit_return
}