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 |
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index 0000000000000000000000000000000000000000..dec1f532d3b3e714fb46c6b3a0fbf1a2b103bc3c |
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+++ b/LayoutTests/webaudio/offlineaudiocontext-suspend-resume-promise.html |
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+<!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'); |
+ finishJSTest(); |
+ }); |
+ |
+ successfullyParsed = true; |
+ </script> |
+ |
+ </body> |
+</html> |