third_party/WebKit/LayoutTests/fast/loader/stateobjects/pushstate-clears-forward-history.html

   1 <script>
   2 onload = function() {
   3   if (location.search.substring(1).length == 0) {
   4     sessionStorage.testStage = 0;
   5     if (window.testRunner) {
   6       testRunner.dumpAsText();
   7       testRunner.dumpBackForwardList();
   8       testRunner.waitUntilDone();
   9     }
  10   }
  11
  12   // Location changes need to happen outside the onload handler to generate history entries.
  13   setTimeout(function() {
  14       switch (sessionStorage.testStage++) {
  15       case 0:
  16         location = "?a";
  17         break;
  18       case 1:
  19         location = "?b";
  20         break;
  21       case 2:
  22         history.back();
  23         break;
  24       case 3:
  25         history.pushState(null, null);
  26         if (window.testRunner)
  27           testRunner.notifyDone();
  28         break;
  29       }
  30     }, 0);
  31 }
  32 onunload = function() {
  33   // disable page cache
  34 }
  35 </script>
  36 <body>
  37 You should NOT see an active forward button.
  38 </body>