docshell/test/navigation/test_bug1379762.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=
   5 -->
   6 <head>
   7   <title>Test for Bug 1379762</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  10 </head>
  11 <body onload="runTest()">
  12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1379762">Mozilla Bug 1379762</a>
  13 <p id="display"></p>
  14 <div id="content" style="display: none">
  15
  16 </div>
  17 <pre id="test">
  18   <script type="application/javascript">
  19     /**
  20      * - This page opens new window
  21      * - new window sends 'init' msg
  22      * - onload() in new window sends 'increment_loadCount' msg
  23      * - onpageshow() in new window sends 'increment_testCount' msg
  24      * - This page sends 'forward_back' msg
  25      * - onpageshow() in new window 'increment_testCount'
  26      * - This page sends 'finish_test' msg
  27      * - onpageshow() in new window sends 'finished' msg
  28      */
  29     var testCount = 0; // Used by the test files.
  30     var loadCount = 0;
  31     var goneBack = false;
  32     var bc = new BroadcastChannel("bug1379762");
  33     bc.onmessage = (messageEvent) => {
  34       let message = messageEvent.data;
  35       if (message == "init") {
  36         is(testCount, 0, "new window should only be loaded once; otherwise the loadCount variable makes no sense");
  37       } else if (message == "increment_loadCount") {
  38         loadCount++;
  39         is(loadCount, 1, "Should only get one load")
  40       } else if (message == 'increment_testCount') {
  41         testCount++;
  42         if (testCount == 1) {
  43           bc.postMessage("forward_back");
  44           goneBack = true;
  45         } else if (testCount == 2) {
  46           ok(goneBack, "We had a chance to navigate backwards and forwards in the new window to test BFCache");
  47           bc.postMessage("finish_test");
  48         }
  49       } else if (message == "finished") {
  50         bc.close();
  51         SimpleTest.finish();
  52       }
  53     }
  54
  55     SimpleTest.waitForExplicitFinish();
  56
  57     function runTest() {
  58       // If Fission is disabled, the pref is no-op.
  59       SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => {
  60         window.open("file_bug1379762-1.html", "", "width=360,height=480,noopener");
  61       });
  62     }
  63
  64   </script>
  65 </pre>
  66 </body>
  67 </html>