1 files changed, 29 insertions, 0 deletions
diff --git a/layout/reftests/svg/dynamic-mask-contents-01.svg b/layout/reftests/svg/dynamic-mask-contents-01.svg
new file mode 100644
index 0000000000..10d6222e25
--- /dev/null
+++ b/layout/reftests/svg/dynamic-mask-contents-01.svg
@@ -0,0 +1,29 @@
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<svg xmlns="http://www.w3.org/2000/svg" onload="startTest()" class="reftest-wait">
+  <style>
+  .foo .maskrect { fill:white; }
+  </style>
+
+  <defs id="d">
+    <mask id="m1" maskUnits="objectBoundingBox" maskContentUnits="objectBoundingBox">
+      <rect class="maskrect" width="1" height="1"/>
+    </mask>
+  </defs>
+
+  <rect id="rect" width="100%" height="100%" fill="lime" mask="url(#m1)"/>
+
+  <script>
+  function startTest() {
+    document.addEventListener("MozReftestInvalidate", doTest, false);
+    setTimeout(doTest, 4000); // fallback for running outside reftest
+  }
+
+  function doTest() {
+    document.getElementById("d").setAttribute("class", "foo");
+    document.documentElement.removeAttribute("class");
+  }
+  </script>
+</svg>