testing/web-platform/tests/css/css-masking/clip-path/clip-path-descendant-text-mutated-001.html


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<!DOCTYPE html>
<html class="reftest-wait">
<title>CSS Masking: Test ancestors update as text descendants change</title>
<link rel="author" title="Fredrik Söderquist" href="mailto:fs@opera.com">
<link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-clip-path">
<link rel="issue" href="https://bugs.chromium.org/p/chromium/issues/detail?id=901851">
<link rel="match" href="reference/clip-path-descendant-text-mutated-001-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<meta name="assert" content="This test ensures that ancestors are updated properly when a text descendant of clip path property changes.">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
#target {
  width: 100px;
  height: 100px;
  background-color: green;
  border-right: 100px solid red;
  clip-path: url(#clip);
}
</style>
<div id="target"></div>
<svg>
  <clipPath id="clip">
    <text id="text" y="80" font-family="Ahem" font-size="100">XX</text>
  </clipPath>
</svg>
<script>
  waitForAtLeastOneFrame().then(function() {
      text.firstChild.data = 'X';
      takeScreenshot();
  });
</script>