navigate-navigation-back-cross-document.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/navigate-event/navigate-navigation-back-cross-document.html - WPT Dashboard Interop Dashboard

<!doctype html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<iframe id="i" src="/common/blank.html"></iframe>

<script>

async_test(t => {

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

    let target_key = i.contentWindow.navigation.currentEntry.key;

    let target_id = i.contentWindow.navigation.currentEntry.id;

    i.contentWindow.navigation.navigate("?foo");

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

      let beforeunload_called = false;

      i.contentWindow.navigation.onnavigate = t.step_func_done(e => {

        assert_true(beforeunload_called);

        assert_equals(e.navigationType, "traverse");

        assert_false(e.cancelable);

        assert_false(e.canIntercept);

        assert_false(e.userInitiated);

        assert_false(e.hashChange);

        assert_equals(e.downloadRequest, null);

        assert_equals(new URL(e.destination.url).pathname, "/common/blank.html");

        assert_false(e.destination.sameDocument);

        assert_equals(e.destination.key, target_key);

        assert_equals(e.destination.id, target_id);

        assert_equals(e.destination.index, 0);

        assert_equals(e.formData, null);

        assert_equals(e.info, "hi");

        // NavigateEvent sourceElement is still in development, so test whether it is available.

        if ("sourceElement" in e) assert_equals(e.sourceElement, null);

});

      i.contentWindow.onbeforeunload = () => beforeunload_called = true;

      assert_true(i.contentWindow.navigation.canGoBack);

      i.contentWindow.navigation.back({ info: "hi" });

})

});

}, "navigate event for navigation.back() - cross-document");

</script>