From 6fce87a234d63d2f1e6cbbb9b26726e4cb2f5fed Mon Sep 17 00:00:00 2001
From: Jonathan Watt <jwatt@jwatt.org>
Date: Tue, 22 Aug 2017 22:20:53 +0100
Subject: [PATCH] Bug 1392235, part 2 - Add a reftest for SVG mask reference
 loops. r=longsonr

---
 layout/reftests/svg/mask-ref-loop-01.svg | 20 ++++++++++++++++++++
 layout/reftests/svg/reftest.list         |  1 +
 2 files changed, 21 insertions(+)
 create mode 100644 layout/reftests/svg/mask-ref-loop-01.svg

diff --git a/layout/reftests/svg/mask-ref-loop-01.svg b/layout/reftests/svg/mask-ref-loop-01.svg
new file mode 100644
index 000000000000..e4be5acd5d90
--- /dev/null
+++ b/layout/reftests/svg/mask-ref-loop-01.svg
@@ -0,0 +1,20 @@
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<svg xmlns="http://www.w3.org/2000/svg">
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=1392235 -->
+
+  <title>Test handling of simple mask reference loop</title>
+
+  <mask id="mask" x="20" y="20" width="100" height="100"
+        maskUnits="userSpaceOnUse" maskContentUnits="userSpaceOnUse">
+    <rect x="20" y="20" width="100" height="100" fill="white" mask="url(#mask)"/>
+  </mask>
+
+  <rect width="100%" height="100%" fill="lime"/>
+  <rect width="140" height="140" fill="red" mask="url(#mask)"/>
+  <rect x="20" y="20" width="100" height="100" fill="lime"/>
+
+</svg>
diff --git a/layout/reftests/svg/reftest.list b/layout/reftests/svg/reftest.list
index 3d91fbb5289e..a874905025af 100644
--- a/layout/reftests/svg/reftest.list
+++ b/layout/reftests/svg/reftest.list
@@ -269,6 +269,7 @@ fuzzy-if(skiaContent,1,5) pref(svg.marker-improvements.enabled,true) == marker-o
 
 fuzzy(28,28) == mask-and-clipPath.html mask-and-clipPath-ref.html
 == mask-and-clipPath-2.svg pass.svg
+== mask-ref-loop-01.svg pass.svg
 == mask-basic-01.svg pass.svg
 fuzzy-if(skiaContent,1,10000) == mask-basic-02.svg mask-basic-02-ref.svg
 == mask-basic-03.svg pass.svg