entries-after-cross-document-forward-pruning.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-history-entry/entries-after-cross-document-forward-pruning.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

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

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

<script>

promise_test(async (t) => {

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

  // into a replace navigation.

  await new Promise(r => window.onload = () => t.step_timeout(r, 0));

  i.contentWindow.location.search = "?2";

  await new Promise(r => i.onload = () => t.step_timeout(r, 0));

  i.contentWindow.location.search = "?3";

  await new Promise(r => i.onload = () => t.step_timeout(r, 0));

  i.contentWindow.history.back();

  await new Promise(r => i.onload = () => t.step_timeout(r, 0));

  i.contentWindow.history.back();

  await new Promise(r => i.onload = () => t.step_timeout(r, 0));

  i.contentWindow.location.search = "?fork";

  await new Promise(r => i.onload = () => t.step_timeout(r, 0));

  const entries = i.contentWindow.navigation.entries();

  const searches = entries.map(e => (new URL(e.url)).search);

  assert_array_equals(searches, ["", "?fork"]);

  assert_equals(i.contentWindow.navigation.entries().at(-1), i.contentWindow.navigation.currentEntry);

}, "navigation.entries() behavior after forward-pruning due to cross-document navs");

</script>