chromium/third_party/blink/web_tests/external/wpt/css/compositing/mix-blend-mode/mix-blend-mode-mask.html

<!DOCTYPE html>
<html>
    <head>
        <title>CSS Test: Blended element with masking.</title>
        <link rel="author" title="Mihai Tica" href="mailto:[email protected]">
        <link rel="help" href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode">
        <meta name="assert" content="Test checks that an element having mask and mix-blend-mode blends with its parent element.">
        <meta name="flags" content="svg">
        <meta name="fuzzy" content="0-1;0-10">
        <link rel="reviewer" title="Rik Cabanier" href="mailto:[email protected]">
        <link rel="reviewer" title="Mirela Budaes" href="mailto:[email protected]">
        <link rel="match" href="reference/mix-blend-mode-mask-ref.html">
        <style type="text/css">
            div {
                width: 100px;
                height: 100px;
            }
        </style>
    </head>
    <body>
        <p>Test passes if you can see a green circle. <br>
        The test fails if the circle is drawn with red. </p>

        <div style="background: #FF0">
            <div style="background: #F00; mix-blend-mode: difference; mask-image: url('support/red_circle.svg');"></div>
        </div>
    </body>
</html>