The Tor Browser: content/media/test/test_mediarecorder_creation

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 <!DOCTYPE HTML>

     2 <html>

     3 <head>

     4   <title>Test MediaRecorder Record with media.ogg.enabled = false</title>

     5   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

     7   <script type="text/javascript" src="manifest.js"></script>

     8 </head>

     9 <body>

    10 <pre id="test">

    11 <script class="testbody" type="text/javascript">

    13 function startTest() {

    14   // the expect sequence should be

    15   // 1. onerror

    16   // 2. ondataavailable

    17   // 3. onstop

    18   var callbackStep = 0;

    19   var stream = new AudioContext().createMediaStreamDestination().stream;

    20   var mediaRecorder = new MediaRecorder(stream);

    22   mediaRecorder.onerror = function (e) {

    23     is(callbackStep, 0, 'should fired onstop callback');

    24     is(e.name, 'GenericError', 'error name should be GenericError');

    25     is(mediaRecorder.mimeType, '', 'mimetype should be empty');

    26     is(mediaRecorder.state, 'recording', 'state is recording');

    27     info('onerror callback fired');

    28     callbackStep = 1;

    29   };

    31   mediaRecorder.onwarning = function () {

    32     ok(false, 'Unexpected onwarning callback fired');

    33   };

    35   mediaRecorder.onstop = function () {

    36     info('onstop callback fired');

    37     is(mediaRecorder.state, 'inactive', 'state should be inactive');

    38     is(callbackStep, 2, 'should fired onstop callback');

    39     SimpleTest.finish();

    40   };

    42   // This handler fires every 250ms to generate a blob.

    43   mediaRecorder.ondataavailable = function (evt) {

    44     info('ondataavailable callback fired');

    45     is(callbackStep, 1, 'should fired ondataavailable callback');

    46     is(evt.data.size, 0, 'data size should be zero');

    47     ok(evt instanceof BlobEvent,

    48        'Events fired from ondataavailable should be BlobEvent');

    49     is(evt.data.type, '', 'encoder start fail, blob miemType should be empty');

    50     callbackStep = 2;

    51   };

    53   // Start recording

    54   mediaRecorder.start(250);

    55   is(mediaRecorder.state, 'recording', 'Media recorder should be recording');

    56   is(mediaRecorder.stream, stream,

    57      'Media recorder stream = element stream at the start of recording');

    58 }

    60 SimpleTest.waitForExplicitFinish();

    61 SpecialPowers.pushPrefEnv({"set": [["media.ogg.enabled", false]]}, startTest);

    63 </script>

    64 </pre>

    65 </body>

    66 </html>

The Tor Browser / file revision