From: Carl Hetherington <cth@carlh.net>
Date: Sat, 30 Dec 2017 01:43:59 +0000 (+0000)
Subject: Fix call to Image::compare; it returns false if images are identical.
X-Git-Tag: v2.11.31~3
X-Git-Url: https://git.carlh.net/gitweb/?p=dcpomatic.git;a=commitdiff_plain;h=ca545930f35fde9f60f76a6d66de475da5cb098c

Fix call to Image::compare; it returns false if images are identical.
This breaks alpha_blend_test for reasons that aren't yet clear.
---

diff --git a/test/test.cc b/test/test.cc
index 41f195140..0c2f324e0 100644
--- a/test/test.cc
+++ b/test/test.cc
@@ -236,7 +236,11 @@ check_image (boost::filesystem::path ref, boost::filesystem::path check)
 	ref_image.read (ref.string ());
 	Magick::Image check_image;
 	check_image.read (check.string ());
-	BOOST_CHECK_MESSAGE (ref_image.compare (check_image), ref << " differs from " << check);
+	BOOST_CHECK_MESSAGE (
+		!ref_image.compare(check_image),
+		ref << " differs from " << check << " "
+		    << ref_image.meanErrorPerPixel() << " " << ref_image.normalizedMaxError() << " " << ref_image.normalizedMeanError()
+		);
 }
 
 void