File: navigate-cross-origin-iframe-to-same-url.html

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<!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 => {
  let starting_history_length = history.length;
  let cross_origin_url = new URL(get_host_info().HTTPS_REMOTE_ORIGIN);
  cross_origin_url.pathname = "/common/blank.html";
  let i = document.createElement("iframe");
  i.src = cross_origin_url;
  document.body.appendChild(i);

  window.onload = () => t.step_timeout(() => {
    assert_equals(starting_history_length, history.length);
    i.onload = t.step_func_done(() => assert_equals(starting_history_length + 1, history.length));
    i.src = cross_origin_url;
  }, 0);
}, "Navigating a cross-origin iframe to its current url should not replace");
</script>
</body>