Index: LayoutTests/webaudio/audiocontext-suspend-resume.html |
diff --git a/LayoutTests/webaudio/audiocontext-suspend-resume.html b/LayoutTests/webaudio/audiocontext-suspend-resume.html |
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+++ b/LayoutTests/webaudio/audiocontext-suspend-resume.html |
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+<!doctype html> |
+<html> |
+ <head> |
+ <title>Test audiocontext suspend/resume</title> |
+ <script src="resources/compatibility.js"></script> |
+ <script src="resources/audio-testing.js"></script> |
+ <script src="../resources/js-test.js"></script> |
+ </head> |
+ |
+ <body> |
+ <script> |
+ description("Test suspend/resume for an AudioContext"); |
+ |
+ var context; |
+ var osc; |
+ var p1; |
+ var p2; |
+ |
+ var sampleRate = 44100; |
+ var durationInSeconds = 1; |
+ |
+ function passed () { |
+ testPassed("Context resumed correctly."); |
+ } |
+ |
+ function failed () { |
+ testFailed("Context did not resume!."); |
+ } |
+ |
+ function resolvedResumeWhenReleased () { |
+ testFailed("resume() on a released context not rejected"); |
+ finishJSTest(); |
+ } |
+ |
+ function rejectedResumeWhenReleased () { |
+ testPassed("resume() on a released context rejected as expected"); |
+ finishJSTest(); |
+ } |
+ |
+ function checkResult (event) { |
+ // We don't care about the actual result of the offline rendering. |
+ shouldBeEqualToString("context.state", "released"); |
+ shouldThrow("context.suspend()"); |
+ context.resume().then(resolvedResumeWhenReleased, rejectedResumeWhenReleased); |
+ } |
+ |
+ function runTest() { |
+ window.jsTestIsAsync = true; |
+ // Test suspend/resume. Ideally this test is best with a online AudioContext, but content |
+ // shell doesn't really have a working online AudioContext. Hence, use an |
+ // OfflineAudioContext. Not all possible scenarios can be easily checked with an offline |
+ // context instead of an online context. |
+ |
+ // Create an audio context with an oscillator. |
+ context = new OfflineAudioContext(1, durationInSeconds * sampleRate, sampleRate); |
+ osc = context.createOscillator(); |
+ osc.connect(context.destination); |
+ |
+ // Verify the state. |
+ shouldBeEqualToString("context.state", "paused"); |
+ |
+ // Multiple calls to suspend() should not be a problem. But these currently do nothing with |
+ // an OfflineAudioContext. |
+ shouldNotThrow("context.suspend()"); |
+ shouldNotThrow("context.suspend()"); |
+ |
+ // Multiple calls to resume should not be a problem. But these currently do nothing with an |
+ // OfflineAudioContext. |
+ shouldNotThrow("p1 = context.resume()"); |
+ shouldBeType(p1, Promise); |
+ p1.then(passed, failed); |
+ shouldNotThrow("p2 = context.resume()"); |
+ shouldBeType(p2, Promise); |
+ if (p1 === p2) |
+ testFailed("Promises from resume should not be equal."); |
+ else |
+ testPassed("Promises from resume are not equal."); |
+ p2.then(passed, failed); |
+ |
+ // Resume doesn't actually resume an offline context |
+ shouldBeEqualToString("context.state", "paused"); |
+ |
+ // Render the offline context. |
+ osc.start(); |
+ context.oncomplete = checkResult; |
+ context.startRendering(); |
+ } |
+ |
+ runTest(); |
+ successfullyParsed = true; |
+ </script> |
+ </body> |
+</html> |