<!DOCTYPE html>
<html>
<head>
<title>DNT header after redirections</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
</head>
<body>
    <video id='video'></video>
    <script>
function waitFor(test, duration)
{
    return new Promise(resolve => {
        test.step_timeout(resolve, duration);
    });
}

async function checkDNTHeader(test, token)
{
    let maxPollCount = 20;
    for (let cptr = 0; cptr < maxPollCount; cptr++) {
        await waitFor(test, 10);
        const response = await fetch("resources/dnt-status.py?read&token=" + token);
        if (await response.text() === "1")
            return true;
    }
    return false;
}

if (window.testRunner)
    testRunner.setPrivateBrowsingEnabled(true);
else
    alert("Make sure to run this test in Private Browsing Mode");

promise_test(async (test) => {
    const token = self.token();
    const finalURL = "dnt-status.py?store&token=" + token;
    video.src = "resources/redirect.py?location=" + encodeURIComponent(finalURL);

    assert_false(await checkDNTHeader(test, token), "DNT header is not there");
}, "video load without DNT");

promise_test(async (test) => {
    const token = self.token();
    const finalURL = "dnt-status.py?store&token=" + token;

    const xhr = new XMLHttpRequest();
    xhr.open("GET", "resources/redirect.py?location=" + encodeURIComponent(finalURL), false);
    xhr.send();

    const response = await fetch("resources/dnt-status.py?read&token=" + token);
    assert_equals(await response.text(), "-1", "DNT header");
}, "Sync XHR without DNT");

promise_test(async (test) => {
    const token = self.token();
    const finalURL = "dnt-status.py?store&token=" + token;

    navigator.sendBeacon("resources/redirect.py?location=" + encodeURIComponent(finalURL), "");

    assert_false(await checkDNTHeader(test, token), "DNT header is not there");
}, "Beacon without DNT");
    </script>
</body>
</html>