--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/xyzimage_test.pl	Tue Jun 28 21:06:07 2011 +0100
@@ -0,0 +1,62 @@
+#!/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