testing/web-platform/tests/app-history/navigate/disambigaute-goto-forward-multiple.html

   1 <!doctype html>
   2 <script src="/resources/testharness.js"></script>
   3 <script src="/resources/testharnessreport.js"></script>
   4 <iframe id="i" src="/common/blank.html"></iframe>
   5 <script>
   6 promise_test(async t => {
   7   // Wait for after the load event so that the navigation doesn't get converted
   8   // into a replace navigation.
   9   await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
  10   assert_equals(navigation.entries().length, 1);
  11   assert_equals(i.contentWindow.navigation.entries().length, 1);
  12   let initial_key = navigation.currentEntry.key;
  13   await navigation.navigate("#top1").committed;
  14   await navigation.navigate("#top2").committed;
  15   assert_equals(navigation.entries().length, 3);
  16   assert_equals(i.contentWindow.navigation.entries().length, 1);
  17   await i.contentWindow.navigation.navigate("#1").committed;
  18   assert_equals(navigation.entries().length, 3);
  19   assert_equals(i.contentWindow.navigation.entries().length, 2);
  20   assert_equals(navigation.currentEntry.index, 2);
  21   assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
  22   assert_true(navigation.canGoBack);
  23   assert_true(i.contentWindow.navigation.canGoBack);
  24   let final_key = navigation.currentEntry.key;
  25
  26   await i.contentWindow.navigation.back().committed;
  27   assert_equals(navigation.currentEntry.index, 2);
  28   assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
  29   await navigation.traverseTo(initial_key).committed;
  30   assert_equals(navigation.currentEntry.index, 0);
  31   assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
  32   // There are 2 joint session history entries containing the top window's
  33   // final key. Navigate to the nearest one (which navigates only the
  34   // top window).
  35   await navigation.traverseTo(final_key).committed;
  36   assert_equals(navigation.currentEntry.index, 2);
  37   assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
  38 }, "navigation.traverseTo() goes to the nearest entry when going forward");
  39 </script>