| Index: third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..510ce51d04aa1fd9d23ba25021a533092e212c8a
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-basic.html
|
| @@ -0,0 +1,136 @@
|
| +<!doctype html>
|
| +<html>
|
| + <head>
|
| + <script src="../resources/js-test.js"></script>
|
| + <script src="resources/compatibility.js"></script>
|
| + <script src="resources/audio-testing.js"></script>
|
| + </head>
|
| +
|
| + <body>
|
| + <script>
|
| + description('Basic test for OfflineAudioContext.suspend() and OfflineAudioContext.resume().');
|
| + window.jsTestIsAsync = true;
|
| +
|
| + var sampleRate = 44100;
|
| + var renderDuration = 1;
|
| + var renderQuantum = 128;
|
| +
|
| + var audit = Audit.createTaskRunner();
|
| +
|
| + // Task: Calling suspend with no argument, negative time or the time
|
| + // beyond the maximum render duration reject the promise.
|
| + audit.defineTask('suspend-invalid-argument', function (done) {
|
| + var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + Should('context.suspend()', context.suspend()).beRejected();
|
| + Should('context.suspend(-1.0)', context.suspend(-1.0)).beRejected();
|
| + Should('context.suspend(2.0)', context.suspend(2.0)).beRejected();
|
| +
|
| + context.startRendering().then(done);
|
| + });
|
| +
|
| + // Task: Scheduling a suspend in the past should be rejected.
|
| + audit.defineTask('suspend-in-the-past', function (done) {
|
| + var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + context.suspend(0.5).then(function () {
|
| +
|
| + Should('Scheduling a suspend in the past',
|
| + context.suspend(context.currentTime - 0.1)).beRejected();
|
| +
|
| + Should('Scheduling a suspend in the future',
|
| + context.suspend(context.currentTime + 0.1).then(function () {
|
| + context.resume();
|
| + })).beResolved();
|
| +
|
| + context.resume();
|
| + });
|
| +
|
| + context.startRendering().then(done);
|
| + });
|
| +
|
| + // Task: Calling multiple suspends at the same rendering quantum should
|
| + // reject the promise.
|
| + audit.defineTask('identical-suspend-time', function (done) {
|
| + var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + // |suspendTime1| and |suspendTime2| are identical when quantized to
|
| + // the render quantum size.
|
| + var suspendTime1 = renderQuantum / sampleRate;
|
| + var suspendTime2 = 1.5 * renderQuantum / sampleRate;
|
| +
|
| + context.suspend(suspendTime1).then(function () {
|
| + context.resume();
|
| + });
|
| +
|
| + // Printing out the pass message to be more informative here.
|
| + testPassed('Scheduling a suspend at frame ' + suspendTime1 * sampleRate + ' was successful.');
|
| +
|
| + Should('Scheduling another suspend at the same rendering quantum',
|
| + context.suspend(suspendTime2)).beRejected();
|
| +
|
| + context.startRendering().then(done);
|
| + });
|
| +
|
| + // Task: Resuming a running context should be resolved.
|
| + audit.defineTask('resume-before-suspend', function (done) {
|
| +
|
| + // Make the render length 5 times longer to minimize the flakiness.
|
| + var longRenderDuration = renderDuration * 5;
|
| + var context = new OfflineAudioContext(1, sampleRate * longRenderDuration, sampleRate);
|
| +
|
| + // Create dummy audio graph to slow the rendering.
|
| + var osc = context.createOscillator();
|
| + var lpf = context.createBiquadFilter();
|
| + osc.type = 'sawtooth';
|
| + osc.frequency.setValueAtTime(0.1, 0.0);
|
| + osc.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5);
|
| + osc.frequency.linearRampToValueAtTime(0.1, longRenderDuration);
|
| + lpf.frequency.setValueAtTime(0.1, 0.0);
|
| + lpf.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5);
|
| + lpf.frequency.linearRampToValueAtTime(0.1, longRenderDuration);
|
| + osc.connect(lpf);
|
| + lpf.connect(context.destination);
|
| + osc.start();
|
| +
|
| + // A suspend is scheduled at the 90% of the render duration.
|
| + context.suspend(longRenderDuration * 0.9).then(done);
|
| +
|
| + testPassed('Scheduling a suspend at ' + longRenderDuration * 0.9 + ' seconds.');
|
| +
|
| + // We have to start rendering to get the time running.
|
| + context.startRendering();
|
| +
|
| + // Then call resume() immediately after the rendering starts. Resuming
|
| + // a context that is already running should be resolved.
|
| + Should('Resuming a running context', context.resume())
|
| + .beResolved();
|
| + });
|
| +
|
| + // Task: Calling resume on a context that is not started should reject the promise.
|
| + audit.defineTask('resume-without-suspend', function (done) {
|
| + var context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + Should('Resuming a context without starting it', context.resume())
|
| + .beRejected().then(done);
|
| + });
|
| +
|
| + audit.defineTask('finish', function (done) {
|
| + finishJSTest();
|
| + done();
|
| + });
|
| +
|
| + audit.runTasks(
|
| + 'suspend-invalid-argument',
|
| + 'suspend-in-the-past',
|
| + 'identical-suspend-time',
|
| + 'resume-before-suspend',
|
| + 'resume-without-suspend',
|
| + 'finish'
|
| + );
|
| +
|
| + successfullyParsed = true;
|
| + </script>
|
| +
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1405413004:
Implement suspend() and resume() for OfflineAudioContext (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master