chromium/third_party/blink/web_tests/external/wpt/css/css-highlight-api/highlight-text-decorations.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Text decorations in custom highlight pseudo elements.</title>
    <link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/#applicable-properties">
    <link rel="match" href="highlight-text-decorations-ref.html">
    <meta name="assert" content="Text decorations in highlights should be displayed.">
    <style>
        html {
            font-size: 24pt;
        }
        ::highlight(example-highlight1) {
            text-decoration: underline;
            text-decoration-color: red;
            color: blue;
        }
        ::highlight(example-highlight2) {
            text-decoration: line-through;
            text-decoration-color: violet;
            text-decoration-style: double;
        }
        ::highlight(example-highlight3) {
            text-decoration: overline;
            text-decoration-color: orange;
            text-decoration-style: dotted;
        }
        /* FIXME: There is a discrepency for how the underlines are displayed at the end of the line, leading to a pixel different in this text. Find a real fix, but in the meantime, obscure the offending pixel https://bugs.webkit.org/show_bug.cgi?id=207512 <rdar://problem/59327965> */
        .obscurer1 {
            position: absolute;
            top: 25px;
            left: 95px;
            width: 10px;
            height: 10px;
            background: grey;
        }
        .obscurer2 {
            position: absolute;
            top: 35px;
            left: 180px;
            width: 10px;
            height: 10px;
            background: grey;
        }
    </style>
</head>
<body>
    <span id="text1">One two three</span>
    <div class='obscurer1'></div>
    <div class='obscurer2'></div>

    <script>
        let textElement = document.getElementById('text1');
        let highlight1 = new Highlight(new StaticRange({startContainer: textElement.childNodes[0], startOffset: 1, endContainer: textElement.childNodes[0], endOffset: 2}));
        let highlight2 = new Highlight(new StaticRange({startContainer: textElement.childNodes[0], startOffset: 5, endContainer: textElement.childNodes[0], endOffset: 6}));
        let highlight3 = new Highlight(new StaticRange({startContainer: textElement.childNodes[0], startOffset: 10, endContainer: textElement.childNodes[0], endOffset: 13}));

        CSS.highlights.set("example-highlight1", highlight1);
        CSS.highlights.set("example-highlight2", highlight2);
        CSS.highlights.set("example-highlight3", highlight3);
    </script>
</body>
</html>