dom/base/test/test_audioWindowUtils.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <title>Test for audio controller in windows</title>
   5   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   7 </head>
   8 <body>
   9 <iframe src="about:blank" id="iframe"></iframe>
  10 <script type="application/javascript">
  11
  12 function runTest() {
  13   var utils = SpecialPowers.wrap(window).
  14         QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor).
  15         getInterface(SpecialPowers.Ci.nsIDOMWindowUtils);
  16   ok(utils, "nsIDOMWindowUtils");
  17
  18   is(utils.audioMuted, false, "By default utils.audioMuted is false");
  19   utils.audioMuted = true;
  20   is(utils.audioMuted, true, "utils.audioMuted is true");
  21   utils.audioMuted = false;
  22   is(utils.audioMuted, false, "utils.audioMuted is true");
  23
  24   is(utils.audioVolume, 1.0, "By default utils.audioVolume is 1.0");
  25   utils.audioVolume = 0.4;
  26   is(utils.audioVolume.toFixed(2), 0.4, "utils.audioVolume is ok");
  27   utils.audioMuted = true;
  28   is(utils.audioMuted, true, "utils.audioMuted is true");
  29   is(utils.audioVolume.toFixed(2), 0.4, "utils.audioVolume is ok");
  30   utils.audioMuted = false;
  31
  32   utils.audioVolume = 2.0;
  33   is(utils.audioVolume, 2.0, "utils.audioVolume is ok");
  34
  35   try {
  36     utils.audioVolume = -42;
  37     ok(false, "This should throw");
  38   } catch(e) {
  39     ok(true, "This should throw");
  40   }
  41
  42   utils.audioVolume = 0;
  43   is(utils.audioVolume, 0.0, "utils.audioVolume is ok");
  44   utils.audioVolume = 1.0;
  45   is(utils.audioVolume, 1.0, "utils.audioVolume is ok");
  46
  47   var iframe = document.getElementById("iframe");
  48   ok(iframe, "IFrame exists");
  49
  50   utils = SpecialPowers.wrap(iframe.contentWindow).
  51         QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor).
  52         getInterface(SpecialPowers.Ci.nsIDOMWindowUtils);
  53   ok(utils, "nsIDOMWindowUtils");
  54
  55   is(utils.audioMuted, false, "By default utils.audioMuted is false");
  56   utils.audioMuted = true;
  57   is(utils.audioMuted, true, "utils.audioMuted is true");
  58   utils.audioMuted = false;
  59   is(utils.audioMuted, false, "utils.audioMuted is true");
  60
  61   is(utils.audioVolume, 1.0, "By default utils.audioVolume is 1.0");
  62   utils.audioVolume = 0.4;
  63   is(utils.audioVolume.toFixed(2), 0.4, "utils.audioVolume is ok");
  64   utils.audioMuted = true;
  65   is(utils.audioMuted, true, "utils.audioMuted is true");
  66   is(utils.audioVolume.toFixed(2), 0.4, "utils.audioVolume is ok");
  67   utils.audioMuted = false;
  68
  69   utils.audioVolume = 2.0;
  70   is(utils.audioVolume, 2.0, "utils.audioVolume is ok");
  71
  72   try {
  73     utils.audioVolume = -42;
  74     ok(false, "This should throw");
  75   } catch(e) {
  76     ok(true, "This should throw");
  77   }
  78
  79   utils.audioVolume = 0;
  80   is(utils.audioVolume, 0.0, "utils.audioVolume is ok");
  81   utils.audioVolume = 1.0;
  82   is(utils.audioVolume, 1.0, "utils.audioVolume is ok");
  83
  84   SimpleTest.finish();
  85 }
  86
  87 SpecialPowers.pushPrefEnv({ "set": [["media.useAudioChannelService", true]]}, runTest);
  88 SimpleTest.waitForExplicitFinish();
  89
  90 </script>
  91 </body>
  92 </html>