testing/web-platform/tests/navigation-api/state/cross-document-away-and-back.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 async_test(t => {
   7   window.onload = t.step_func(() => {
   8     i.contentWindow.navigation.navigate("#", { replace : true, state : { data : "value" } });
   9     assert_equals(i.contentWindow.navigation.entries().length, 1);
  10     assert_equals(i.contentWindow.navigation.currentEntry.getState().data, "value");
  11
  12     let navigated_back = false;
  13     i.contentWindow.navigation.navigate("?1");
  14     i.onload = t.step_func(() => {
  15       if (navigated_back) {
  16         let back_entry = i.contentWindow.navigation.currentEntry;
  17         assert_equals(i.contentWindow.navigation.entries().length, 2);
  18         assert_equals(back_entry.index, 0);
  19         assert_equals(back_entry.getState().data, "value");
  20         t.done();
  21       } else {
  22         assert_equals(i.contentWindow.navigation.entries().length, 2);
  23         assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[1]);
  24         assert_equals(i.contentWindow.navigation.currentEntry.getState(), undefined);
  25         history.back();
  26         navigated_back = true;
  27       }
  28     });
  29   });
  30 }, "appHistoryEntry.getState() behavior after navigating away and back");
  31 </script>