setrequestheader-after-send.htm

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This WPT test may be referenced by the following Test IDs:
- /xhr/setrequestheader-after-send.htm - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

  <head>

    <title>XMLHttpRequest: setRequestHeader() after send()</title>

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

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

    <link rel="help" href="https://xhr.spec.whatwg.org/#the-setrequestheader()-method" data-tested-assertations="/following::ol/li[2]" />

  </head>

  <body>

    <div id="log"></div>

    <script>

      var test = async_test()

      test.step(function() {

        var client = new XMLHttpRequest()

        client.open("GET", "resources/delay.py?ms=0")

        client.onreadystatechange = function() {

          test.step(function() {

            assert_throws_dom("InvalidStateError", function() { client.setRequestHeader("x-test", "test") })

            if(client.readyState == 4)

              test.done()

})

        client.send(null)

})

    </script>

  </body>

</html>