paint-timing/fcp-only/fcp-invisible-text.html

<!DOCTYPE html>
<head>
<title>Performance Paint Timing Test: FCP should still fire for invisible text</title>
<style>
    #main {
        position: relative;
        width: 100px;
        height: 100px;
        visibility: hidden;
        color: rgba(0, 0, 0, 0);
    }

    /* contentful class is defined in test_fcp script. */
    #main.contentful {
        visibility: visible;
    }
</style>
</head>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/utils.js"></script>
<div id="main">
    INVISIBLE
</div>
<script>
    test_fcp("First contentful paint fires due to pseudo-element becoming visible.")
</script>
</body>
</html>