LayoutTests/svg/clip-path/mask-nested-clip-path-003.svg

<svg xmlns="http://www.w3.org/2000/svg">
<clipPath id="clip1" clipPathUnits="objectBoundingBox">
  <rect x="0.1" y="0.1" width="0.3" height="0.3"/>
  <rect x="0.1" y="0.6" width="0.3" height="0.3"/>
</clipPath>

<clipPath id="clip2" clipPathUnits="objectBoundingBox">
  <rect x="0.6" y="0.1" width="0.3" height="0.3"/>
  <rect x="0.6" y="0.6" width="0.3" height="0.3"/>
</clipPath>

<clipPath id="clip" clipPathUnits="objectBoundingBox">
  <rect x="0" y="0" width="1" height="1" clip-path="url(#clip1)"/>
  <rect x="0" y="0" width="1" height="1" clip-path="url(#clip2)"/>
</clipPath>

<mask id="mask1a" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox">
  <rect x="0" y="0" width="1" height="1" fill="white"/>
  <rect x="0" y="0" width="1" height="1" fill="black" clip-path="url(#clip1)" />
</mask>

<mask id="mask1b" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox">
  <rect x="0" y="0" width="1" height="1" fill="white"/>
  <rect x="0" y="0" width="1" height="1" fill="black" clip-path="url(#clip2)" />
</mask>

<mask id="mask2" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox">
  <rect x="0" y="0" width="1" height="1" fill="white" mask="url(#mask1a)"/>
</mask>

<mask id="mask3" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox">
  <rect x="0" y="0" width="1" height="1" fill="white" mask="url(#mask1b)"/>
</mask>

<g mask="url(#mask3)">
  <rect width="200" height="200" fill="green" mask="url(#mask2)"/>
</g>
</svg>