dom/xhr/tests/test_sync_xhr_nested.html

   1 <!DOCTYPE HTML>
   2 <!-- vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: -->
   3 <html>
   4 <head>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <script src="/tests/SimpleTest/EventUtils.js"></script>
   7   <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   8 </head>
   9 <body >
  10   <script type="text/javascript">
  11   SimpleTest.waitForExplicitFinish();
  12
  13   var childXHRFinished = false;
  14   var xhrFinished = false;
  15   var subTab = null;
  16
  17   function receivedInput() {
  18     ok(xhrFinished, "Input event should be handled after the sync xhr");
  19     SimpleTest.finish();
  20   }
  21
  22   function startSlowXHR() {
  23     var xhr = new XMLHttpRequest();
  24     xhr.open("GET", "slow.sjs", false);
  25     subTab.startSlowXHR();
  26     xhr.send(null);
  27
  28     // Above xhr.send(null) should spin up an event loop to process the inner XHR first
  29     ok(childXHRFinished, "Child's XHR should be finished first");
  30     xhrFinished = true;
  31   }
  32
  33   async function runTest() {
  34     await SpecialPowers.pushPrefEnv({
  35       set: [["dom.input_events.canSuspendInBCG.enabled", true]]
  36     });
  37     subTab = window.open("file_sync_xhr_nested_helper.html");
  38     await new Promise((r) => {
  39       subTab.addEventListener("load", r);
  40     });
  41     startSlowXHR();
  42   }
  43
  44   runTest();
  45   </script>
  46 </body>
  47 </html>