<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8" />
        <title>Navigation Timing 2 WPT</title>
        <link rel="author" title="Google" href="http://www.google.com/" />
        <link rel="help" href="http://www.w3.org/TR/navigation-timing-2/#sec-PerformanceNavigationTiming"/>
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>

        <script>
            setup({ single_test: true });

            function verifyTimingEventOrder(eventOrder, timingEntry) {
                for (let i = 0; i < eventOrder.length - 1; i++) {
                    assert_true(timingEntry[eventOrder[i]] < timingEntry[eventOrder[i + 1]],
                        "Expected " + eventOrder[i] + " to be no greater than " + eventOrder[i + 1] + ".");
                }
            }

            function onload_test()
            {
                const frame_performance = document.getElementById("frameContext").contentWindow.performance;
                const navigation_entry = frame_performance.getEntriesByType("navigation")[0];
                assert_equals(navigation_entry.type,
                        "navigate",
                        "Expected navigation type  to be navigate.");
                assert_equals(navigation_entry.redirectCount, 1, "Expected redirectCount to be 1.");
                assert_equals(navigation_entry.name, 'http://' + document.location.host + '/navigation-timing/resources/blank_page_green.html');

                var timgingEvents = [
                    'startTime',
                    'redirectStart',
                    'redirectEnd',
                ];
                verifyTimingEventOrder(timgingEvents, frame_performance.getEntriesByType("navigation")[0]);
                done();
            }
        </script>

    </head>
    <body>
        <h1>Description</h1>
        <p>This test validates the values of the window.performance.redirectCount and the
           window.performance.timing.redirectStart/End times for a same-origin server side redirect navigation.</p>

        <iframe id="frameContext" onload="onload_test();" src="/common/redirect.py?location=/navigation-timing/resources/blank_page_green.html" style="width: 250px; height: 250px;"></iframe>
    </body>
</html>
