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+<!--
+ Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=489151 -->
+
+<svg xmlns="http://www.w3.org/2000/svg">
+ <title>Test objectBoundingBox mask on element with ancestor transform</title>
+ <desc>
+ This test checks that the bbox calculation for an objectBoundingBox
+ mask is correctly getting the bbox in the userspace of the masked
+ element, and not it's bbox in an ancestor userspace or rootspace.
+ </desc>
+ <mask id="mask" maskUnits="objectBoundingBox" maskContentUnits="objectBoundingBox">
+ <rect x="0.5" width="0.5" height="1" fill="white"/>
+ </mask>
+ <rect width="100%" height="100%" fill="lime"/>
+ <rect x="100" width="100" height="100" fill="red"/>
+ <g transform="translate(-100,0)">
+ <g mask="url(#mask)">
+ <rect x="100" width="100" height="100" fill="red"/>
+ <rect x="200" width="100" height="100" fill="lime"/>
+ </g>
+ </g>
+</svg>