third_party/WebKit/LayoutTests/fast/mediarecorder/MediaRecorder-creation.html

   1 <!DOCTYPE html>
   2 <script src=../../resources/testharness.js></script>
   3 <script src=../../resources/testharnessreport.js></script>
   4 <script>
   5 // This test verifies that MediaRecorder can be created with different Media
   6 // Stream Track combinations: 1 Video Track only, 1 Audio Track only and finally
   7 // a Media Stream with both a Video and an Audio Track. Note that recording is
   8 // _not_ started in this test, see MediaRecorder-basic-video.html for it.
   9
  10 function makeAsyncTest(constraints, verifyStream, message) {
  11     return async_test(function(test) {
  12
  13         var gotStream = test.step_func(function(stream) {
  14             verifyStream(stream);
  15
  16             try {
  17                 recorder = new MediaRecorder(stream);
  18             } catch (e) {
  19                 assert_unreached('Exception while creating MediaRecorder: ' + e);
  20             }
  21             assert_equals(recorder.state, "inactive");
  22             test.done();
  23         });
  24
  25         var onError = test.step_func(function() {
  26             assert_unreached('Error creating MediaRecorder.');
  27         });
  28
  29         try {
  30             navigator.webkitGetUserMedia(constraints, gotStream, onError);
  31         } catch(e) {
  32             assert_unreached('Exception launching getUserMedia(): ' + e);
  33         }
  34     }, message);
  35 }
  36
  37 function verifyVideoOnlyStream(stream) {
  38     assert_equals(stream.getAudioTracks().length, 0);
  39     assert_equals(stream.getVideoTracks().length, 1);
  40     assert_equals(stream.getVideoTracks()[0].readyState, 'live');
  41 }
  42 function verifyAudioOnlyStream(stream) {
  43     assert_equals(stream.getAudioTracks().length, 1);
  44     assert_equals(stream.getVideoTracks().length, 0);
  45     assert_equals(stream.getAudioTracks()[0].readyState, 'live');
  46 }
  47 function verifyAudioVideoStream(stream) {
  48     assert_equals(stream.getAudioTracks().length, 1);
  49     assert_equals(stream.getVideoTracks().length, 1);
  50     assert_equals(stream.getVideoTracks()[0].readyState, 'live');
  51     assert_equals(stream.getAudioTracks()[0].readyState, 'live');
  52 }
  53
  54 // Note: webkitGetUserMedia() must be called with at least video or audio true.
  55 makeAsyncTest({video:true}, verifyVideoOnlyStream, 'Video only MediaRecorder');
  56 makeAsyncTest({audio:true}, verifyAudioOnlyStream, 'Audio only MediaRecorder');
  57 makeAsyncTest({audio:true, video:true}, verifyAudioVideoStream, 'Video and Audio MediaRecorder');
  58
  59 </script>