#!/bin/sh
# test for readlink mode.

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

pwd=`pwd`
t0=`echo "$0" |sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0
trap 'status=$?; (exit $status); exit $status' 1 2 13 15

fail=1
while :; do
  mkdir -p $tmp || break
  cd $tmp || break

  mkdir subdir || break
  touch regfile || break
  ln -s regfile link1 || break
  ln -s missing link2 || break

  fail=0
  break
done

if test $fail = 1; then
  echo "$0: failure in testing framework" 1>&2
  (exit 1); exit 1
fi

fail=1
while :; do
  v=`readlink link1` || break
  test "$v" = regfile || break

  v=`readlink link2` || break
  test "$v" = missing || break

  v=`readlink subdir` && break
  test -z "$v" || break

  v=`readlink regfile` && break
  test -z "$v" || break

  v=`readlink missing` && break
  test -z "$v" || break

  fail=0
  break
done

(exit $fail); exit $fail