mozilla-central/testing/web-platform/tests/navigation-api/navigate-event/navigation-traverseTo-same-document-preventDefault-multiple-windows.html

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Test Info: Warnings

  • This test has a WPT meta file that expects 1 subtest issues.
  • This WPT test may be referenced by the following Test IDs:
<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<script>
promise_test(async t => {
let start_length = navigation.entries().length;
let start_index = navigation.currentEntry.index;
// Wait for after the load event so that the navigation doesn't get converted
// into a replace navigation.
await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
await navigation.navigate("#").finished;
await i.contentWindow.navigation.navigate("#").finished;
assert_equals(navigation.entries().length, start_length + 1);
assert_equals(i.contentWindow.navigation.entries().length, 2);
assert_equals(navigation.currentEntry.index, start_index + 1);
assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
navigation.onnavigate = e => e.preventDefault();
i.contentWindow.navigation.onnavigate = t.unreached_func("navigate event should not fire in the iframe, because the traversal was cancelled in the top window");
await promise_rejects_dom(t, "AbortError", navigation.traverseTo(navigation.entries()[start_index].key).finished);
assert_equals(navigation.currentEntry.index, start_index + 1);
assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
}, "navigation.traverseTo() - if a top window cancels the traversal, any iframes should not fire navigate");
</script>