dom/ipc/tests/test_bcg_processes.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   5   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   6 </head>
   7 <body>
   8
   9 <script type="application/javascript">
  10 "use strict";
  11
  12 add_task(async function main_test() {
  13   await SpecialPowers.pushPrefEnv({
  14     set: [["dom.ipc.processCount.webIsolated", 10]],
  15   });
  16
  17   let frame1 = document.createElement("iframe");
  18   frame1.src = "http://example.com";
  19   document.body.appendChild(frame1);
  20   await new Promise(resolve => {
  21     frame1.addEventListener("load", resolve, { once: true })
  22   });
  23   info("frame 1 loaded");
  24
  25   let frame2 = document.createElement("iframe");
  26   frame2.src = "http://example.com";
  27   document.body.appendChild(frame2);
  28   await new Promise(resolve => {
  29     frame2.addEventListener("load", resolve, { once: true })
  30   });
  31   info("frame 2 loaded");
  32
  33   let id1 = await SpecialPowers.spawn(frame1, [], () => {
  34     return ChromeUtils.domProcessChild.childId;
  35   });
  36   let id2 = await SpecialPowers.spawn(frame2, [], () => {
  37     return ChromeUtils.domProcessChild.childId;
  38   });
  39
  40   is(id1, id2, "childID for example.com subframes should match");
  41 });
  42
  43 </script>
  44 </body>
  45 </html>