setrequestheader-before-open.htm

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

<!doctype html>

<html>

  <head>

    <title>XMLHttpRequest: setRequestHeader() before open()</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[1]" />

  </head>

  <body>

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

    <script>

      test(function() {

        var client = new XMLHttpRequest()

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

        }, 'setRequestHeader invoked before open()')

    </script>

  </body>

</html>