multiple-redirects-TAO.html | Explore in Territory

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<title>This test validates some Timing-Allow-Origin header usage in multiple redirects.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/element-timing-helpers.js"></script>
<script src="/common/get-host-info.sub.js"></script>
</head>
<body>
<script>
async_test(t => {
    assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented");
    let destUrl = get_host_info().HTTP_REMOTE_ORIGIN
        + '/element-timing/resources/multiple-redirects.py?';
    destUrl += 'redirect_count=2';
    // The final resource has '*' in TAO header, so will not affect the result.
    destUrl += '&final_resource=/element-timing/resources/circle-tao.svg';
    destUrl += '&origin1=' + get_host_info().UNAUTHENTICATED_ORIGIN;
    destUrl += '&origin2=' + get_host_info().HTTP_REMOTE_ORIGIN;
    const taoCombinations = [
        {tao1: location.origin, tao2: location.origin, passes: false},
        {tao1: location.origin, tao2: get_host_info().HTTP_REMOTE_ORIGIN, passes: false},
        {tao1: location.origin, tao2: 'null', passes: true},
        {tao1: location.origin, tao2: '*', passes: true},
        {tao1: location.origin, tao2: location.origin, passes: false},
        {tao1: 'null', tao2: '*', passes: false},
        {tao1: '*', tao2: 'null', passes: true},
    ];
    function getURL(item) {
        return destUrl + '&tao1=' + item.tao1 + '&tao2=' + item.tao2;
    }
    taoCombinations.forEach((item, index) => {
        const image = document.createElement('img');
        image.src = getURL(item);
        image.setAttribute('elementtiming', item.passes.toString());
        image.setAttribute('id', index);
        document.body.appendChild(image);
    });
    let observed = new Array(taoCombinations.length).fill(false);
    let observedCount = 0;
    const beforeRender = performance.now();
    new PerformanceObserver(t.step_func(entries => {
        entries.getEntries().forEach(e => {
            const index = parseInt(e.id);
            assert_false(observed[index]);
            const item = taoCombinations[index];
            const url = getURL(item);
            checkElement(e, url, item.passes.toString(), e.id, item.passes ? beforeRender : 0,
                document.getElementById(e.id));
            observed[index] = true;
            observedCount++;
            if (observedCount === taoCombinations.length)
                t.done();
        });
    })).observe({entryTypes: ['element']});
}, 'Cross-origin images with passing/failing TAO should/shouldn\'t have its renderTime set.');
</script>
</body>
</html>
chromium/third_party/blink/web_tests/external/wpt/element-timing/multiple-redirects-TAO.html
