<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<body>
<script>
async_test(t => {
  const crossOriginUrl = new URL(get_host_info().HTTPS_REMOTE_ORIGIN);
  crossOriginUrl.pathname = "/common/blank.html";
  const i = document.createElement("iframe");
  i.src = crossOriginUrl;
  document.body.appendChild(i);

  let wasLoadEventFired = false;
  i.onload = t.step_func(() => {
    // Though iframe is cross-origin and changing hash leads soft reload, the
    // load event should be fired to protect sensitive information.
    // See: https://crbug.com/1248444
    crossOriginUrl.hash = "#foo";
    i.onload = () => {
      assert_false(wasLoadEventFired)
      wasLoadEventFired = true;
      // Wait for a while to ensure other onload events are never fired.
      t.step_timeout(() => t.done(), 100);
    };
    i.src = crossOriginUrl;
  });

}, "Changing the URL hash of a cross-origin iframe should fire a load event");
</script>
</body>
