#!/usr/bin/perl

# xyzimage_test.pl

# This file is part of the testsuite of the Radiance csh2perl project.

# You may copy and modify this file as basis for other tests.

#

# (c) Axel Jacobs, 28 June 2011

use strict;

use warnings;

my $script = "xyzimage";

my $csh = "../orig/$script.csh";

my $perl = "../bin/$script.perl";

print "script: $script\n";

my $img = "data/images/street-xyze_rle_400x400.hdr";

# Options are arrays of [STDIN, command-line options].

# Please include the pipe symbol as part of STDIN.

# Put a leading space in front of STDIN to line up the output.

my @options = (

	["", "$img"],

	["", "-g 1.0 $img"],

	["", "-p 0.65 0.25  0.15 0.75  0.15 0.2  0.4 0.35 $img"],

	["", "-p 0.5 0.25  0.15 0.75  0.15 0.2  0.4 0.35 $img"],

);

# Run old CSH and new Perl script with different options,

# compare the resulting images.

my $total = 0;

my $fail = 0;

my $index = 0;

my $opts;

foreach $opts (@options) {

	# Hmm, not sure how to compare old and new automatically without screen-shooting.

	my $stdin = @$opts[0];

	my $args = @$opts[1];

	$total++;

	my $cshcmd = "$script.csh $args";

	print " $stdin $cshcmd\n";

	system "$stdin csh ../orig/$cshcmd >/dev/null &";

	my $perlcmd = "$script.pl $args";

	print " $stdin $perlcmd\n";

	system "$stdin perl ../bin/$perlcmd >/dev/null &";

	print "    Please compare the two rvu displays. Are they identical [y/N]? ";

	my $identical = <>;

	chomp $identical;

	if( lc( $identical ) eq 'y' ) {

		print "      Ok: Output appears to be identical.\n";

	} else {

		print "      Error: Output appears to be different.\n";

		$fail++;

	}

}

print "$fail of $total tests failed.\n";

#EOF