<!DOCTYPE html>
<html>
  <head>
    <title>XMLHttpRequest: open() call fires sync readystate event</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-open()-method" data-tested-assertations="following::ol[1]/li[13]/ol[1]/li[2]" />

  </head>
  <body>
    <div id="log"></div>
    <script>
      test(function() {
        var client = new XMLHttpRequest()
        var eventsFired = []
        client.onreadystatechange = function(){
          eventsFired.push(client.readyState)
        }
        client.open('GET', "...", false)
        assert_array_equals(eventsFired, [1])
      }, document.title + ' (sync)')
      test(function() {
        var client = new XMLHttpRequest()
        var eventsFired = []
        client.onreadystatechange = function(){
          eventsFired.push(client.readyState)
        }
        client.open('GET', "...", true)
        assert_array_equals(eventsFired, [1])
      }, document.title + ' (async)')
    </script>
  </body>
</html>