| <!DOCTYPE html> |
| <script src=../../resources/testharness.js></script> |
| <script src=../../resources/testharnessreport.js></script> |
| <body> |
| <!-- canvas cannot be arbitrarily small --> |
| <canvas id='canvas'/> |
| </body> |
| <script> |
| |
| var test = async_test('forces an error in the MediaRecorder API by changing ' + |
| 'the amount of tracks in the MediaStream, and checks that the correct ' + |
| 'sequence ondataavailable-stop-error is enforced'); |
| var recorder; |
| var stream; |
| |
| function drawSomethingOnCanvas(canvas) { |
| // Drawing something on the canvas generates a frame in its captured stream. |
| var context = canvas.getContext("2d"); |
| context.fillStyle = "red"; |
| context.fillRect(0, 0, 10, 10); |
| } |
| |
| recorderOnDataAvailable = test.step_func(function(event) { |
| recorder.onstop = recorderOnStop; |
| |
| // Add another track to the MediaStream to force an error. |
| stream.addTrack(stream.getVideoTracks()[0].clone()); |
| drawSomethingOnCanvas(document.getElementById('canvas')); |
| }); |
| |
| recorderOnStop = test.step_func(function() { |
| recorder.onstop = test.unreached_func('Unexpected stop event'); |
| recorder.ondataavailable = test.unreached_func('Unexpected data event'); |
| recorder.onerror = recorderOnError; |
| }); |
| |
| recorderOnError = test.step_func(function() { |
| test.done(); |
| }); |
| |
| var step = test.step_func(function() { |
| var canvas = document.getElementById('canvas'); |
| stream = canvas.captureStream(); |
| assert_equals(stream.getVideoTracks()[0].readyState, 'live'); |
| |
| recorder = new MediaRecorder(stream); |
| |
| recorder.onstop = test.unreached_func('Unexpected stop event'); |
| recorder.onpause = test.unreached_func('Unexpected pause event'); |
| recorder.onresume = test.unreached_func('Unexpected resume event'); |
| recorder.onerror = test.unreached_func('Unexpected error event'); |
| recorder.ondataavailable = recorderOnDataAvailable; |
| |
| recorder.start(0); |
| drawSomethingOnCanvas(canvas); |
| }); |
| |
| step(); |
| |
| </script> |
