| Index: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html
|
| diff --git a/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..f8d6523e88506c825f339208feb34fe0b6483224
|
| --- /dev/null
|
| +++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-eventhandler.html
|
| @@ -0,0 +1,70 @@
|
| +<!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 event handler callback from OfflineAudioContext resume/suspend.');
|
| + window.jsTestIsAsync = true;
|
| +
|
| + var context;
|
| + var sampleRate = 44100;
|
| + var renderDuration = 2;
|
| + var renderQuantum = 128;
|
| + var scheduledSuspendTime = 0.1;
|
| +
|
| + // Get the time quantized by render quantum size.
|
| + function quantizeTimeByRenderQuantum(time) {
|
| + var samples = time * sampleRate;
|
| + return (samples - (samples % renderQuantum)) / sampleRate;
|
| + }
|
| +
|
| + // FIXME: this is a request from rtoy, but not sure how it should be
|
| + // printed out on the result.
|
| + function getRenderQuantumIndexFromTime(time) {
|
| + return Math.floor(time * sampleRate / renderQuantum);
|
| + }
|
| +
|
| + function runTest() {
|
| + context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + context.onstatechange = function () {
|
| + if (context.state === 'suspended') {
|
| + Should('context.currentTime', context.currentTime)
|
| + .beEqualTo(quantizeTimeByRenderQuantum(scheduledSuspendTime));
|
| +
|
| + // When |context.currentTime + 0.1 > renderDuration|, the promise
|
| + // should be rejected and throw an exception.
|
| + scheduledSuspendTime = context.currentTime + 0.1;
|
| + if (context.currentTime + 0.1 > renderDuration) {
|
| + Should('context.suspend(scheduledSuspendTime)',
|
| + context.suspend(scheduledSuspendTime)).beRejected();
|
| + } else {
|
| + context.suspend(scheduledSuspendTime);
|
| + }
|
| + context.resume();
|
| + }
|
| + };
|
| +
|
| + // This test is for verifying all the event handlers on OAC and that is
|
| + // why 'oncomplete' is used here.
|
| + context.oncomplete = function () {
|
| + Should('context.state', context.state).beEqualTo('closed');
|
| + finishJSTest();
|
| + };
|
| +
|
| + // Initiate the suspension loop.
|
| + context.suspend(scheduledSuspendTime);
|
| + context.startRendering();
|
| + }
|
| +
|
| + runTest();
|
| + 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