third_party/WebKit/LayoutTests/webaudio/offlineaudiocontext-detached-no-crash.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <script src="resources/compatibility.js"></script>
   5 <script src="resources/audio-testing.js"></script>
   6 <script src="../resources/js-test.js"></script>
   7 </head>
   8 <body>
   9 <script>
  10 description("Tests document-detached use of OfflineAudioContext, pass if no crash.");
  11
  12 window.jsTestIsAsync = true;
  13
  14 function errorCallback(error)
  15 {
  16     testPassed("OfflineAudioContext.startRendering() on a closed context threw an exception.");
  17     finishJSTest();
  18 }
  19
  20 function successCallback()
  21 {
  22     testFailed("OfflineAudioContext.startRendering() on a closed context did not throw an exception.");
  23     finishJSTest();
  24 }
  25
  26 var context;
  27 function runTest()
  28 {
  29     context.startRendering().then(successCallback, errorCallback);
  30 }
  31
  32 function createOfflineContext()
  33 {
  34     var sampleRate = 44100.0;
  35     var renderLengthInFrames = 512;
  36     var bufferSize = 512;
  37
  38     context = new w.OfflineAudioContext(1, renderLengthInFrames, sampleRate);
  39     var node = context.createScriptProcessor(bufferSize, 0, 1);
  40     var source = context.createBufferSource();
  41     source.buffer = createImpulseBuffer(context, bufferSize);
  42     node.onaudioprocess = function(e) { };
  43     source.connect(node);
  44     node.connect(context.destination);
  45     source.start(0);
  46 }
  47
  48 var w;
  49 function processMessage(event) {
  50     if (event.data == "opened") {
  51         createOfflineContext();
  52         w.close();
  53     } else if (event.data == "closed") {
  54         setTimeout(runTest, 100);
  55     }
  56 }
  57
  58 if (window.testRunner) {
  59     testRunner.dumpAsText();
  60     testRunner.waitUntilDone();
  61     testRunner.setCanOpenWindows();
  62 }
  63
  64 w = window.open('../resources/window-postmessage-open-close.html');
  65 window.addEventListener("message", processMessage, false);
  66 </script>
  67 </body>
  68 </html>