chromium/third_party/blink/web_tests/external/wpt/html/browsers/history/the-history-interface/006.html

<!doctype html>
<html>
  <head>
    <title>Firing popstate after onload, even if there is no pushed/replaced state</title>
    <script type="text/javascript" src="/resources/testharness.js"></script>
    <script type="text/javascript" src="/resources/testharnessreport.js"></script>
    <script type="text/javascript">

//spec (25 March 2011 draft) states that popstate must not fire after onload unless there is a pushed/replaced state that is navigated
var popfired = false;
setup({explicit_done:true});
window.addEventListener('popstate',function (e) { popfired = true; },false);
test(function () {
  assert_equals( history.state, null );
}, 'history.state should initially be null');
window.onload = function () {
  test(function () {
    assert_false( popfired );
  }, 'popstate event should not fire before onload fires');
  test(function () {
    assert_equals( history.state, null );
  }, 'history.state should still be null onload');
  popfired = false;
  setTimeout(function () {
    test(function () {
      assert_false( popfired );
    }, 'popstate event should not fire after onload fires');
    test(function () {
      assert_equals( history.state, null );
    }, 'history.state should still be null after onload');
    test(function () {
      var failed = false, realstate = history.state;
      try {
        history.state = '';
      } catch(e) {
        failed = e;
      }
      assert_equals(history.state,realstate,'property was read/write');
      assert_false(failed);
    }, 'writing to history.state should be silently ignored and not throw an error');
    done();
  },100);
};

    </script>
  </head>
  <body>

    <noscript><p>Enable JavaScript and reload</p></noscript>
    <div id="log"></div>

  </body>
</html>