testing/web-platform/tests/navigation-api/navigation-methods/traverseTo-after-data-url.html

   1 <!doctype html>
   2 <script src="/resources/testharness.js"></script>
   3 <script src="/resources/testharnessreport.js"></script>
   4 <body>
   5 <script>
   6 async_test(t => {
   7   let i = document.createElement("iframe");
   8   i.src = "data:text/html,";
   9   document.body.appendChild(i);
  10   let start_length = history.length;
  11
  12   // Wait for after the load event so that the navigation doesn't get converted
  13   // into a replace navigation.
  14   window.onload = () => t.step_timeout(() => {
  15     i.contentWindow.location = "/common/blank.html";
  16     i.onload = () => t.step_timeout(() => {
  17       assert_equals(history.length, start_length + 1);
  18       assert_equals(i.contentWindow.navigation.entries().length, 1);
  19       i.contentWindow.navigation.navigate("#fragment");
  20       assert_equals(i.contentWindow.navigation.entries().length, 2);
  21       i.contentWindow.navigation.back().committed.then(t.step_func(() => {
  22         assert_equals(i.contentWindow.navigation.entries().length, 2);
  23         assert_equals(i.contentWindow.navigation.currentEntry.index, 0);
  24         return i.contentWindow.navigation.forward().committed;
  25       })).then(t.step_func_done(() => {
  26         assert_equals(i.contentWindow.navigation.entries().length, 2);
  27         assert_equals(i.contentWindow.navigation.currentEntry.index, 1);
  28       }));
  29     }, 0);
  30   }, 0);
  31 }, "navigation.traverseTo() should work in an iframe that started at a data: url");
  32 </script>
  33 </body>