#!@AM_TEST_RUNNER_SHELL@
# @configure_input@
#
# Copyright (C) 2012-2014 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/>.

# Run an Automake test from the command line.

set -e; set -u

: ${AM_TEST_RUNNER_SHELL='@AM_TEST_RUNNER_SHELL@'}
: ${AM_PROVE_CMD='prove'}
: ${AM_PROVEFLAGS='--merge --verbose'}
: ${srcdir='@srcdir@'}
: ${abs_srcdir='@abs_srcdir@'}
: ${abs_builddir='@abs_builddir@'}
: ${PATH_SEPARATOR='@PATH_SEPARATOR@'}

# If a test is called directly, it should be unconditionally run,
# even it it's expensive.
RUN_EXPENSIVE_TESTS=yes; export RUN_EXPENSIVE_TESTS

# For sourcing of extra "shell libraries" by our test scripts.  As per
# POSIX, sourcing a file with '.' will cause it to be looked up in $PATH
# in case it is given with a relative name containing no slashes.
if test "$srcdir" != .; then
  PATH=$abs_srcdir/t/ax$PATH_SEPARATOR$PATH
fi
PATH=$abs_builddir/t/ax$PATH_SEPARATOR$PATH
export PATH

# For use by the testsuite framework.  The Automake test harness
# define this, so we better do the same.
export srcdir

# Some testsuite-influential variables should be overridable from the
# test scripts, but not from the environment.
# Keep this in sync with the 'Makefile.am:AM_TESTS_ENVIRONMENT'.
for v in \
  required \
  am_test_protocol \
  am_serial_tests \
  am_test_prefer_config_shell \
  am_original_AUTOMAKE \
  am_original_ACLOCAL \
  am_test_lib_sourced \
  test_lib_sourced \
; do
  eval "$v= && unset $v" || exit 1
done
unset v

xecho () { printf '%s\n' "$*"; }
error () { echo "$0: $*" >&2; exit 255; }

# Some shell flags should be passed over to the test scripts.
shell_opts=
while test $# -gt 0; do
  case $1 in
    --help)
       xecho "Usage: $0 [--shell=PATH] [-k] [SHELL-OPTIONS]" \
             "[VAR=VALUE ...] TEST [TEST-OPTIONS]"
       exit $?
       ;;
    --shell)
       test $# -gt 1 || error "missing argument for option '$1'"
       AM_TEST_RUNNER_SHELL=$2
       shift
       ;;
    --shell=*)
       AM_TEST_RUNNER_SHELL=${1#--shell=}
       ;;
    -o)
       test $# -gt 1 || error "missing argument for option '$1'"
       shell_opts="$shell_opts -o $2"
       shift
       ;;
    -k|--keep-testdir|--keep-testdirs)
       keep_testdirs=yes; export keep_testdirs;;
    -*)
       # Assume it is an option to pass through to the shell.
       shell_opts="$shell_opts $1";;
    *=*)
       var=${1%%=*} val=${1#*=}
       xecho "$var" | LC_ALL=C grep '^[a-zA-Z_][a-zA-Z0-9_]*$' >/dev/null \
         || error "'$var': invalid variable name"
       eval "$var=\$val && export $var" || exit 1
       ;;
     *)
       break;;
  esac
  shift
done

test $# -gt 0 || error "missing argument"

tst=$1; shift

case $tst in
  /*) ;;
   *) if test -f ./$tst; then
        tst=./$tst
      # Support for VPATH build.
      elif test -f $srcdir/$tst; then
        tst=$srcdir/$tst
      else
        error "could not find test '$tst'"
      fi
      ;;
esac

case $tst in
  *.sh)
    exec $AM_TEST_RUNNER_SHELL $shell_opts "$tst" ${1+"$@"} ;;
  *.tap)
    exec "$AM_PROVE_CMD" $AM_PROVEFLAGS -e \
         "$AM_TEST_RUNNER_SHELL $shell_opts" "$tst" ${1+"$@"} ;;
  *)
    error "test '$tst' has an unrecognized extension" ;;
esac

error "dead code reached"