intercept-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/navigate-event/intercept-history-replaceState.html - WPT Dashboard Interop Dashboard

<!doctype html>

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

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

<script>

async_test(t => {

  let start_length = history.length;

  navigation.onnavigate = t.step_func(e => {

    e.intercept({ handler: async () => {

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

      t.step_timeout(t.step_func_done(() => {

        assert_equals(location.hash, "#1");

        assert_equals(history.state, "update");

        assert_equals(history.length, start_length);

      }, 0));

    }});

});

  history.replaceState("update", "", "#1");

  assert_equals(location.hash, "#1");

  assert_equals(history.state, "update");

  assert_equals(history.length, start_length);

}, "event.intercept() should proceed if the given promise resolves");

</script>