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Issue 1140723003:
Implement suspend() and resume() for OfflineAudioContext (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| 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..82781847ebd7f5e6602e6ca70e1a98b535144ce4 |
| --- /dev/null |
| +++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html |
| @@ -0,0 +1,50 @@ |
| +<!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/suspend.'); |
| + window.jsTestIsAsync = true; |
| + |
| + var context; |
| + var sampleRate = 44100; |
| + var renderDuration = 2; |
| + var renderQuantum = 128; |
| + var scheduledSuspendTime = 0.1; |
|
Raymond Toy
2015/05/28 16:37:34
Same comments here as for the suspend-resume-event
hongchan
2015/06/09 20:49:58
Acknowledged.
|
| + |
| + // Get the time quantized by render quantum size. |
| + function quantizeByRenderQuantum(time) { |
| + var samples = time * sampleRate; |
| + return (samples - (samples % renderQuantum)) / sampleRate; |
| + } |
| + |
| + function onSuspended() { |
| + Should('context.currentTime', context.currentTime) |
| + .beEqualTo(quantizeByRenderQuantum(scheduledSuspendTime)); |
| + |
| + // When context.currentTime 0.1 > renderDuration, the promise should be |
| + // rejected and throw an exception. |
| + scheduledSuspendTime = context.currentTime + 0.1; |
| + context.suspend(scheduledSuspendTime).then(onSuspended); |
| + context.resume(); |
| + } |
| + |
| + context = new OfflineAudioContext(1, sampleRate * renderDuration, sampleRate); |
| + |
| + context.suspend(scheduledSuspendTime).then(onSuspended); |
| + |
| + context.startRendering().then(function () { |
| + Should('context.state', context.state).beEqualTo('closed'); |
| + finishJSTest(); |
| + }); |
| + |
| + successfullyParsed = true; |
| + </script> |
| + |
| + </body> |
| +</html> |
