#! /bin/sh
# Copyright (C) 2011-2012 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.
# Make sure that $me gets automatically defined by './defs', and that it
# can be overridden by the test script.

am_create_testdir=no
. ./defs || exit 1

plan_ 14

AM_TESTS_REEXEC=no; export AM_TESTS_REEXEC

# This test becomes cumbersome if we keep the 'errexit' shell flag set.
# And removing it is no big deal, as this test is a TAP-based one, so
# that false positives remain very unlikely.
set +e

do_check ()
{
  $AM_TEST_RUNNER_SHELL -c '. ./defs && echo me=$me' "$1" | grep "^me=$2$"
  command_ok_ "me=$1" test $? -eq 0
}

for e in sh tap; do
  do_check foo-bar-.$e 'foo-bar-'
  do_check _foo__bar.$e '_foo__bar'
  do_check 012.$e '012'
  do_check a.b.c.$e 'a\.b\.c'
done

do_check foo.bar 'foo\.bar'
do_check abc. 'abc\.'

# If we override $me, ./defs should not modify it.

s=$($AM_TEST_RUNNER_SHELL -c 'me=foo.sh && . ./defs && echo me=$me' bad.sh)
command_ok_ "override of \$me before ./defs causes no error" \
            test $? -eq 0

r='ok'
printf '%s\n' "$s" | grep '^me=foo\.sh$' || r='not ok'
printf '%s\n' "$s" | grep 'me=bad'       && r='not ok'
result_ "$r" "override of \$me before ./defs is honored"
unset r

# Overriding $me after sourcing ./defs-static should work.
s=$($AM_TEST_RUNNER_SHELL -c '. ./defs-static && me=zardoz &&
                              . ./defs && echo me=$me' bad.sh)
command_ok_ "override of \$me after ./defs-static causes no error" \
            test $? -eq 0

r='ok'
printf '%s\n' "$s" | grep '^me=zardoz$' || r='not ok'
printf '%s\n' "$s" | grep 'me=bad'      && r='not ok'
result_ "$r" "override of \$me after ./defs-static is honored"
unset r

: