| Index: LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html
|
| diff --git a/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..7907dff5b699db441b5f97d60be1dfc3239e8121
|
| --- /dev/null
|
| +++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-sequence.html
|
| @@ -0,0 +1,74 @@
|
| +<!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 OfflineAudioContext.resume() and OfflineAudioContext.suspend() with the timed sequence.');
|
| + 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;
|
| +
|
| + // These numbers are in an arbitrary order, but not randomly generated in
|
| + // runtime to avoid moving pieces. However, it is safe to arrange them
|
| + // in a random order in runtime.
|
| + //
|
| + // Also these numbers are multiple of 0.25, so they are supposed to fall
|
| + // in the render quantum boundary for easier and more intuitive
|
| + // verification.
|
| + var suspendTimes = [0.25, 0.75, 1.0, 0.5, 1.25, 0.0, 1.75];
|
| +
|
| + // Sorted ascending suspend time is our expected result.
|
| + var expectedSuspendTimes = suspendTimes.slice(0).sort(function (a, b) {
|
| + return a - b;
|
| + });
|
| +
|
| + var actualSuspendTimes = [];
|
| +
|
| + context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate);
|
| +
|
| + for (var i = 0; i < suspendTimes.length; i++) {
|
| +
|
| + // Schedule suspends in a random time order, but the actual suspend
|
| + // must happen in ascending time order.
|
| + scheduleSuspend(suspendTimes[i]);
|
| +
|
| + }
|
| +
|
| + function scheduleSuspend(suspendTime) {
|
| + context.suspend(suspendTime).then(function () {
|
| + actualSuspendTimes.push(suspendTime);
|
| + context.resume();
|
| + })
|
| + }
|
| +
|
| + function verifyResult() {
|
| +
|
| + for (var i = 0; i < actualSuspendTimes.length; i++) {
|
| + var scheduledOrder = suspendTimes.indexOf(actualSuspendTimes[i])
|
| + var expectedOrder = expectedSuspendTimes.indexOf(actualSuspendTimes[i])
|
| +
|
| + Should('The actual resolution order of the suspend ' + scheduledOrder +
|
| + ' (' + suspendTimes[scheduledOrder].toFixed(2) + ' sec.)', i)
|
| + .beEqualTo(expectedOrder);
|
| + }
|
| + }
|
| +
|
| + context.startRendering().then(verifyResult).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