third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-stats.html

   1
   2 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   3 <html>
   4 <head>
   5 <script src="../../resources/js-test.js"></script>
   6 </head>
   7 <body>
   8 <script>
   9 description("Tests the RTCPeerConnection stats interface.");
  10
  11 var pc = null;
  12 var result;
  13
  14 function getUserMedia(dictionary, callback) {
  15     try {
  16         navigator.webkitGetUserMedia(dictionary, callback, error);
  17     } catch (e) {
  18         testFailed('webkitGetUserMedia threw exception :' + e);
  19         finishJSTest();
  20     }
  21 }
  22
  23 function error() {
  24     testFailed('Stream generation failed.');
  25     finishJSTest();
  26 }
  27
  28 function verifyStats(status)
  29 {
  30     // Status must be a global variable to be used in test statements.
  31     status_g = status;
  32     result = status.result();
  33     shouldBeGreaterThanOrEqual('result.length', '2');
  34     // Windows XP sometimes gives time that appears to go backwards.
  35     // This hack will make the tests non-flaky if it never goes backwards
  36     // by more than 20 milliseconds.
  37     // Up to 10 milliseconds has been observed on XP, 2 milliseconds on Win7.
  38     fudgeForXP = 20;
  39     res = result[0];
  40     timediff = res.timestamp - startTime + fudgeForXP;
  41     shouldBeGreaterThanOrEqual('timediff', '0');
  42     shouldBeNonNull('res.id');
  43     shouldBeNonNull('res.type');
  44     shouldBeGreaterThanOrEqual('res.names().length', '1');
  45     shouldBeGreaterThanOrEqual('res.names().indexOf("type")', '0');
  46     shouldBe('res.stat("type")', '"audio"');
  47     // Named getter: Can access results by their ID values.
  48     shouldBeNonNull('status_g.namedItem(res.id)');
  49     shouldBeNonNull('status_g[res.id]');
  50 }
  51
  52 function statsHandler1(status)
  53 {
  54     testPassed("statsHandler1 was called");
  55     shouldBeNonNull('status');
  56     result = status.result();
  57     shouldBe('result.length', '0');
  58     shouldNotThrow('getUserMedia({audio:true, video:true}, gotStream)');
  59 }
  60
  61 function gotStream(s) {
  62     testPassed('Got a stream.');
  63     stream = s;
  64
  65     pc.addStream(stream);
  66     shouldNotThrow('pc.getStats(statsHandler2)');
  67 }
  68
  69 function statsHandler2(status)
  70 {
  71     testPassed("statsHandler2 was called");
  72     verifyStats(status);
  73     shouldNotThrow('pc.close()');
  74     shouldNotThrow('pc.getStats(statsHandler3)');
  75 }
  76
  77 function statsHandler3(status)
  78 {
  79     testPassed("statsHandler3 was called");
  80     verifyStats(status);
  81     finishJSTest();
  82 }
  83
  84 var startTime = new Date().getTime();
  85 shouldNotThrow('pc = new webkitRTCPeerConnection(null)');
  86 shouldNotThrow('pc.getStats(statsHandler1)');
  87
  88 window.jsTestIsAsync = true;
  89 window.successfullyParsed = true;
  90 </script>
  91 </body>
  92 </html>