mozilla-release/testing/web-platform/tests/websockets/constructor/014.html

<!doctype html>
<title>WebSockets: serialize establish a connection</title>
<meta name="timeout" content="long">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=../constants.js?pipe=sub></script>
<meta name="variant" content="">
<meta name="variant" content="?wss">
<div id=log></div>
<script>

async_test(function(t) {
  var ws = [];
  var events = 0;
  var prevDate;
  var date;
  for (var i = 0; i < 2; ++i) {
    ws[i] = new WebSocket(SCHEME_DOMAIN_PORT+'/handshake_sleep_2');
    ws[i].id = i;
    ws[i].onopen = t.step_func(function(e) {
      events++;
      date = new Date();
      if (prevDate) {
        assert_greater_than(date - prevDate, 1000);
      }
      prevDate = date;
      this.onopen = t.step_func(function() {assert_unreached()});
    }.bind(ws[i]))
    ws[i].onclose = t.step_func(function() {
      events++;
      if (events == 4) {
        t.done();
      }
      this.onclose = t.step_func(function() {assert_unreached()});
    }.bind(ws[i]));
    ws[i].onerror = ws[i].onmessage = t.step_func(function() {assert_unreached()});
  }
});
</script>