activation-history-replaceState.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-activation/activation-history-replaceState.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<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(resolve => window.onload = () => t.step_timeout(resolve, 0));

  assert_equals(navigation.activation.entry, navigation.currentEntry);

  let activationEntry = navigation.activation.entry;

  history.replaceState("#fragment", "", "");

  assert_not_equals(navigation.activation.entry, navigation.currentEntry);

  assert_equals(navigation.activation.entry, activationEntry);

  assert_equals(navigation.activation.entry.index, -1);

}, "navigation.activation.entry should be orphaned by history.replaceState()");

</script>