# $Id: check_common_fn.in,v 1.1 2003/06/08 12:33:38 rocky Exp $
SKIP_TEST_EXITCODE=77
DIFF_OPTS=
have_diff() {
  if @DIFF@ ./Makefile ./Makefile > /dev/null 2>&1; then
    :
  else
    
    return 1;
  fi
  
  if @DIFF@ ./Makefile ./check_common_fn.in > /dev/null 2>&1; then
    return 1;
  fi

  # MSDOG output uses \r\n rather than \n in tests
  for diff_opt in -w --unified ; do 
    if @DIFF@ $opt ./Makefile ./Makefile > /dev/null 2>&1; then
      DIFF_OPTS="$DIFF_OPTS $diff_opt"
    fi
  done
  return 0;
}

check_result() {
  RC=$1
  shift
  msg=$*
  if test $RC -ne 0 ; then 
    if test $RC -ne $SKIP_TEST_EXITCODE ; then
      echo "$0: $msg failed."
      exit $RC
    else 
      echo "$0: $msg skipped."
    fi
  else 
    echo "$0: $msg ok."
  fi
}

test_cdinfo() {

  opts="$1"
  outfile="$2"
  rightfile="$3"

  CDINFO="../src/cd-info"

  if [ ! -x ${CDINFO} ]; then
    echo "$0: No ${CDINFO}"
    return 1
  fi

  if ${CDINFO} --no-header ${opts} >${outfile} 2>&1 ; then 
    if have_diff; then
      if @DIFF@ ${outfile} ${rightfile} ; then
	rm -f $outfile
	return 0
      else
	return 3
      fi
    else
      echo "$0: No diff(1) or cmp(1 found - cannot test ${CDINFO}"
      rm -f $outfile
      return 77
    fi
  else
    echo "$0: ${CDINFO} ${opts} failed"
    return 2
  fi

}

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