| <!-- webkit-test-runner [ UsesBackForwardCache=true ] --> |
| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../../webaudio/resources/buffer-loader.js"></script> |
| <script> |
| description('Tests that a page with a closed AudioContext goes into the page cache.'); |
| window.jsTestIsAsync = true; |
| |
| var sampleRate = 44100.0; |
| var lengthInSeconds = 2; |
| |
| window.addEventListener("pageshow", function(event) { |
| debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache"); |
| |
| if (event.persisted) { |
| testPassed("Page did enter and was restored from the page cache"); |
| finishJSTest(); |
| } |
| }, false); |
| |
| window.addEventListener("pagehide", function(event) { |
| debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache"); |
| if (!event.persisted) { |
| testFailed("Page did not enter the page cache."); |
| finishJSTest(); |
| } |
| }, false); |
| |
| window.addEventListener('load', function() { |
| audioContext = new OfflineAudioContext(2, sampleRate * lengthInSeconds, sampleRate); |
| bufferLoader = new BufferLoader( |
| audioContext, |
| [ "../../webaudio/resources/hyper-reality/br-jam-loop.wav", ], |
| finishedLoading |
| ); |
| bufferLoader.load(); |
| }, false); |
| |
| function finishedLoading(bufferList) |
| { |
| var bufferSource = audioContext.createBufferSource(); |
| bufferSource.buffer = bufferList[0]; |
| |
| bufferSource.connect(audioContext.destination); |
| bufferSource.start(0); |
| |
| audioContext.oncomplete = finishedPlaying; |
| audioContext.startRendering(); |
| } |
| |
| function finishedPlaying() |
| { |
| // The OfflineAudioContext should now be in 'closed' state since the completion event was fired. |
| // The context should thus be suspendable and not prevent the page from entering PageCache. |
| setTimeout(function() { |
| // Force a back navigation back to this page. |
| window.location.href = "resources/page-cache-helper.html"; |
| }, 0); |
| } |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
