header-user-agent-async.htm

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This WPT test may be referenced by the following Test IDs:
- /xhr/header-user-agent-async.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

    <title>Test that async requests (both OPTIONS preflight and regular) are sent with the User-Agent header</title>

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

    <script src="/common/get-host-info.sub.js"></script>

</head>

<body>

<script type="text/javascript">

  async_test((test) => {

    let xhr = new XMLHttpRequest;

    xhr.open("GET", get_host_info().HTTP_REMOTE_ORIGIN + "/xhr/resources/header-user-agent.py");

    xhr.setRequestHeader("x-test", "foobar");

    xhr.onerror = test.unreached_func("Unexpected error");

    xhr.onload = test.step_func_done(() => {

      assert_equals(xhr.responseText, "PASS");

});

    xhr.send();

  }, "Async request has User-Agent header");

</script>

</body>

</html>