1 files changed, 105 insertions, 0 deletions
diff --git a/bin/sh/t_exit.sh b/bin/sh/t_exit.sh
new file mode 100755
index 0000000000000..62c5869c009c6
--- /dev/null
+++ b/bin/sh/t_exit.sh
@@ -0,0 +1,105 @@
+# $NetBSD: t_exit.sh,v 1.3 2012/04/13 06:12:32 jruoho Exp $
+#
+# Copyright (c) 2007 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+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
+}