index-not-in-entries.html

Enable keyboard shortcuts

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/index-not-in-entries.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 => {

  let start_index = navigation.currentEntry.index;

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

  // into a replace navigation.

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

    // Remove the entry by replacing it.

    let replaced_entry = navigation.currentEntry;

    assert_equals(replaced_entry.index, start_index);

    navigation.navigate("#0", { history: "replace" });

    assert_equals(replaced_entry.index, -1);

    // Remove the entry by detaching its window.

    let iframe_entry = i.contentWindow.navigation.currentEntry;

    assert_equals(iframe_entry.index, 0);

    i.remove();

    assert_equals(iframe_entry.index, -1);

    t.done();

  }), 0);

}, "entry.index should return -1 when not in navigation.entries()");

</script>