traverseTo-with-cross-origin-in-history.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/navigation-methods/traverseTo-with-cross-origin-in-history.html - WPT Dashboard Interop Dashboard

<!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 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);

  let start_length = history.length;

  // Wait for after the load event so that the navigation doesn't get converted

  // into a replace navigation.

  window.onload = () => t.step_timeout(() => {

    i.contentWindow.location = "/common/blank.html";

    i.onload = () => t.step_timeout(() => {

      assert_equals(history.length, start_length + 1);

      assert_equals(i.contentWindow.navigation.entries().length, 1);

      i.contentWindow.navigation.navigate("#fragment");

      assert_equals(i.contentWindow.navigation.entries().length, 2);

      i.contentWindow.navigation.back().committed.then(t.step_func(() => {

        assert_equals(i.contentWindow.navigation.entries().length, 2);

        assert_equals(i.contentWindow.navigation.currentEntry.index, 0);

        return i.contentWindow.navigation.forward().committed;

      })).then(t.step_func_done(() => {

        assert_equals(i.contentWindow.navigation.entries().length, 2);

        assert_equals(i.contentWindow.navigation.currentEntry.index, 1);

      }));

    }, 0);

  }, 0);

}, "navigation.traverseTo() should work in an iframe that has navigated across origins");

</script>

</body>