| Index: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
|
| diff --git a/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..af19f41f47fafcd0d8152391ab85726f7c528473
|
| --- /dev/null
|
| +++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html
|
| @@ -0,0 +1,58 @@
|
| +<!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('Test promise resolution of OfflineAudioContext.resume() and OfflineAudioContext.suspend().');
|
| + window.jsTestIsAsync = true;
|
| +
|
| + var context;
|
| +
|
| + // The sample rate is multiple of the rendering quantum, so suspension
|
| + // times fall in to the render quantum boundary.
|
| + var renderQuantum = 128;
|
| +
|
| + var sampleRate = renderQuantum * 100;
|
| + var renderDuration = 2;
|
| + var scheduledSuspendTime = 0;
|
| +
|
| + // With the sample rate setting above, this ensures suspension time fall
|
| + // in to the render quantum boundary.
|
| + var suspendInterval = 0.25;
|
| +
|
| + context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + function onSuspended() {
|
| + Should('context.currentTime', context.currentTime)
|
| + .beEqualTo(scheduledSuspendTime);
|
| +
|
| + scheduledSuspendTime = context.currentTime + suspendInterval;
|
| +
|
| + // When |scheduledSuspendTime >= renderDuration|, suspending the context
|
| + // will reject the promise.
|
| + if (scheduledSuspendTime < renderDuration) {
|
| + context.suspend(scheduledSuspendTime).then(onSuspended);
|
| + } else {
|
| + Should('context.suspend(scheduledSuspendTime)',
|
| + context.suspend(scheduledSuspendTime)).beRejected();
|
| + }
|
| +
|
| + context.resume();
|
| + }
|
| +
|
| + // Initiate the suspension loop.
|
| + context.suspend(scheduledSuspendTime).then(onSuspended);
|
| + context.startRendering().then(function () {
|
| + Should('context.state', context.state).beEqualTo('closed');
|
| + }).then(finishJSTest);
|
| +
|
| + successfullyParsed = true;
|
| + </script>
|
| +
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1140723003:
Implement suspend() and resume() for OfflineAudioContext (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master