first-contentful-canvas-none.html | Explore in Territory

<!DOCTYPE html>

<head>
  <title>Performance Paint Timing Test: FCP due to canvas</title>
</head>

<body>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="resources/utils.js"></script>
  <canvas id="canvas" width="200" height="200"></canvas>

  <script>
    setup({"hide_test_state": true});
    promise_test(async t => {
        assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
        await new Promise(r => window.addEventListener('load', r));
        await assertNoFirstContentfulPaint(t);
    }, 'First contentful paint should not fire for canvas type none');
  </script>
</body>

</html>

chromium/third_party/blink/web_tests/external/wpt/paint-timing/first-contentful-canvas-none.html