#!/bin/bash
# Test if -v / --version is generated automatically, even if not 
# specified in the genparse file.

# Copyright (C) 2007 - 2012 Michael Geng <linux@MichaelGeng.de>

# 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 of the License, 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/>.

if test "$VERBOSE" = yes; then
  set -x
fi

. test-lib.sh

echo "" > empty.gp

touch empty

for language in $all_languages
do
  gen_code empty.gp $language
  for option in -v --version
  do
    # this simple test program doesn't do anything if -v / --version is set
    # but we can check its exit value
    if test $language = java; then
      java -classpath $CLASSPATH:classes simple $option > out || fail=1
    else
      parse_cl $option > out || fail=1
    fi
    cmp out empty || fail=1
  done
done

# -------------------------------------------------------

echo "v flag \"Something else than version\"" > v.gp

for language in $all_languages
do
  gen_code v.gp $language
  for option in -v --version
  do
    if test $language = java; then
      java -classpath $CLASSPATH:classes simple $option > out || fail=1
    else
      parse_cl $option > out || fail=1
    fi
    cmp out empty || fail=1
  done
done

# -------------------------------------------------------

echo "NONE / version flag \"Only --version is defined, not -v\"" > version.gp

echo "parse_cl: invalid option -- 'v'
Try \`parse_cl --help' for more information." > exp2

echo "parse_cl: invalid option -- v
Try \`parse_cl --help' for more information." > java_exp2

for language in $all_languages
do
  gen_code version.gp $language

  # --version is defined
  if test $language = java; then
    java  -classpath $CLASSPATH:classes simple --version > out || fail=1
  else
    parse_cl --version > out || fail=1
  fi
  cmp out empty || fail=1

  # -v is undefined
  if test $language = java; then
    java  -classpath $CLASSPATH:classes simple -v 2> out && fail=1
    cmp out java_exp2                                    || fail=1
  else
    parse_cl -v 2>out && fail=1
    cmp out exp2      || fail=1
  fi
done

# -------------------------------------------------------

echo "v / version flag \"Both --version and -v redefined\"" > version.gp

for language in $all_languages
do
  gen_code version.gp $language
  for option in -v --version
  do
    if test $language = java; then
      java  -classpath $CLASSPATH:classes simple $option > out || fail=1
    else
      parse_cl $option > out || fail=1
    fi
    cmp out empty || fail=1
  done
done

rm -f v.gp version.gp

exit $fail
