dom/midi/tests/browser_stable_midi_port_ids.js

   1 /* Any copyright is dedicated to the Public Domain.
   2  * http://creativecommons.org/publicdomain/zero/1.0/ */
   3
   4 const EXAMPLE_COM_URL = "https://example.com/browser/dom/midi/tests/";
   5 const EXAMPLE_ORG_URL = "https://example.org/browser/dom/midi/tests/";
   6 const PAGE1 = "port_ids_page_1.html";
   7 const PAGE2 = "port_ids_page_2.html";
   8
   9 // Return the MIDI port id of the first input port for the given URL and page
  10 function id_for_tab(url, page) {
  11   return BrowserTestUtils.withNewTab(
  12     {
  13       gBrowser,
  14       url: url + page,
  15       waitForLoad: true,
  16     },
  17     async function (browser) {
  18       return SpecialPowers.spawn(browser, [""], function () {
  19         return content.wrappedJSObject.get_first_input_id();
  20       });
  21     }
  22   );
  23 }
  24
  25 add_task(async function () {
  26   let com_page1;
  27   let com_page1_reload;
  28   let org_page1;
  29   let org_page2;
  30
  31   [com_page1, com_page1_reload, org_page1, org_page2] = await Promise.all([
  32     id_for_tab(EXAMPLE_COM_URL, PAGE1),
  33     id_for_tab(EXAMPLE_COM_URL, PAGE1),
  34     id_for_tab(EXAMPLE_ORG_URL, PAGE1),
  35     id_for_tab(EXAMPLE_ORG_URL, PAGE2),
  36   ]);
  37   Assert.equal(
  38     com_page1,
  39     com_page1_reload,
  40     "MIDI port ids should be the same when reloading the same page"
  41   );
  42   Assert.notEqual(
  43     com_page1,
  44     org_page1,
  45     "MIDI port ids should be different in different origins"
  46   );
  47   Assert.equal(
  48     org_page1,
  49     org_page2,
  50     "MIDI port ids should be the same in the same origin"
  51   );
  52 });