#!/bin/sh
#
# The name of the script should be:
#
#  pngstest-....
#
# Where the last four characters are the suffix of a PNGSuite test file, or
# -error, in which case the x files are used.
case "$0" in
   */pngstest-????)
      suffix="${0##*/pngstest\-}"
      exec ./pngstest --tmpfile "error" "${srcdir}/contrib/pngsuite/"[^x]*"${suffix}.png";;

   */pngstest-error)
      # Test files may not exist, fake a failure if not
      set "${srcdir}/contrib/pngsuite/"x*"${suffix}.png"
      if test $# -ne 1 -o $1 != "${srcdir}/contrib/pngsuite/x*${suffix}.png"
      then
         exec ./pngstest --tmpfile "${suffix}" "${srcdir}/contrib/pngsuite/"x*"${suffix}.png"
      else
         exit 1
      fi;;
esac