chromium/third_party/blink/web_tests/external/wpt/css/css-masking/mask-image/mask-image-svg-gradient-zoomed.html

<!DOCTYPE html>
<title>linear-gradient() mask-image on &lt;rect> in zoomed SVG</title>
<link rel="match" href="../../reference/ref-filled-green-100px-square-only.html">
<link rel="help" href="https://drafts.fxtf.org/css-masking/#svg-masks">
<style>
  svg {
    zoom: 2;
  }
</style>
<p>Test passes if there is a filled green square.</p>
<svg>
  <rect width="50" height="100" fill="green"
        style="mask-image: linear-gradient(black 50px, transparent 50px)"/>
</svg>