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#! /bin/sh
# Copyright (C) 2011 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Sanity check for the automake testsuite.
# Check that. in case of failing commands, the correct exit status is
# passed to the exit trap installed by the `./defs' script.
# Also check that the `errexit' shell flag is active.
. ./defs-static || exit 99
for st in 1 2 3 4 5 77 99 126 127 128 129 130 255; do
echo "* Try: Exit $st"
$SHELL -c ". ./defs; Exit $st; :"
rc=$?
echo "* rc=$rc"
echo
test $rc -eq $st || exit 1
echo "* Try: sh -c 'exit $st'"
$SHELL -c ". ./defs; sh -c 'exit $st'; :"
rc=$?
echo "* rc=$rc"
echo
test $rc -eq $st || exit 1
done
echo "* Try: non-existent-program"
$SHELL -c ". ./defs; non-existent-program; :"
rc=$?
echo "* rc=$rc"
echo
test $rc -eq 127 || exit 1
for sig in 1 2 13 15; do
echo "* Try: kill -$sig \$\$"
if test $sig -eq 2; then
# Some Korn shells might otherwise get a spurious SIGINT
# signal when one is sent to the child $SHELL.
trap : 2
fi
$SHELL -c ". ./defs; kill -$sig \$\$; :"
rc=$?
if test $sig -eq 2; then
# Reset default SIGINT handler as portably as possible.
trap 2 || trap - 2
fi
echo "* rc=$rc"
echo
if test x"$sh_errexit_works" = x"yes"; then
# The exit trap should turn into an hard errors any failure
# caused by signals.
test $rc -eq 99 || exit 1
else
# The exit trap is not installed, so that the shell should exit
# with status 128+n when receiving signal number n. But don't
# be too strict in the check, as POSIX only says that "The exit
# status of a command that terminated because it received a
# signal shall be reported as greater than 128".
test $rc -gt 128 || exit 1
fi
done
:
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