File: fcp-ignore-from-subframe.html

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<!DOCTYPE html>
<head>
    <title>
        Performance Paint Timing Test: Paints in the iframe should be reported in the iframe
        and not in the top document
    </title>
</head>
<body>
<script src="../resources/utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
setup({"hide_test_state": true});
promise_test(async t => {
    assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
    const iframe = document.createElement('iframe');
    iframe.src = '../resources/subframe-painting.html';
    document.body.appendChild(iframe);
    await new Promise(resolve => window.addEventListener('message', e => {
        if (e.data.entryType == "paint" && e.data.name == "first-contentful-paint")
            resolve()
    }));
    await assertNoFirstContentfulPaint(t);
}, 'Parent frame should not fire own paint-timing events for subframes.');
</script>
</body>
</html>