<!DOCTYPE html>
<meta charset=utf-8>
<title>'message' event properties</title>
<link rel=help href="http://www.whatwg.org/html/#dom-dedicatedworkerglobalscope-postmessage">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div id=log></div>
<script>
async_test("Properties of the 'message' event").step(function() {
  var worker = new Worker("message-event.js");
  worker.onmessage = this.step_func_done(function (evt) {
    assert_class_string(evt, "MessageEvent");
    assert_equals(evt.type, "message");
    assert_false(evt.bubbles, "bubbles should be false");
    assert_false(evt.cancelable, "cancelable should be false");
    assert_equals(evt.data, "test");
    assert_equals(evt.origin, "", "origin");
    assert_equals(evt.lastEventId, "", "lastEventId");
    assert_equals(evt.source, null, "source");
    assert_array_equals(evt.ports, [], "ports");
  });
});
</script>