#!/usr/bin/env perl
require 5.008;
BEGIN { $^W = 1; }
use strict;
use File::Copy;
use Digest::MD5;

chdir("png_filter") or die "chdir testdir failed: $!\n";

require TestDriver;

my $td = new TestDriver('png_filter');

cleanup();

$td->runtest("decode columns = 4",
	     {$td->COMMAND => "png_filter decode in1 4"},
	     {$td->STRING => "done\n",
	      $td->EXIT_STATUS => 0},
	     $td->NORMALIZE_NEWLINES);

$td->runtest("check output",
	     {$td->FILE => "out"},
	     {$td->FILE => "out1"});

$td->runtest("decode columns = 5",
	     {$td->COMMAND => "png_filter decode in2 5"},
	     {$td->STRING => "done\n",
	      $td->EXIT_STATUS => 0},
	     $td->NORMALIZE_NEWLINES);

$td->runtest("check output",
	     {$td->FILE => "out"},
	     {$td->FILE => "out2"});

$td->runtest("encode columns = 4",
	     {$td->COMMAND => "png_filter encode out1 4"},
	     {$td->STRING => "done\n",
	      $td->EXIT_STATUS => 0},
	     $td->NORMALIZE_NEWLINES);

$td->runtest("check output",
	     {$td->FILE => "out"},
	     {$td->FILE => "in1"});

$td->runtest("encode columns = 5",
	     {$td->COMMAND => "png_filter encode out2 5"},
	     {$td->STRING => "done\n",
	      $td->EXIT_STATUS => 0},
	     $td->NORMALIZE_NEWLINES);

$td->runtest("check output",
	     {$td->FILE => "out"},
	     {$td->FILE => "in2"});

cleanup();

$td->report(8);

sub cleanup
{
    unlink "out";
}