| Index: third_party/WebKit/LayoutTests/webaudio/audiosource-premature-gc.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/audiosource-premature-gc.html b/third_party/WebKit/LayoutTests/webaudio/audiosource-premature-gc.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..6de2538a522562537aa947a4b1f21d05f3fca945
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/audiosource-premature-gc.html
|
| @@ -0,0 +1,64 @@
|
| +<!doctype html>
|
| +<html>
|
| + <head>
|
| + <title>Test premature GC upon OscillatorNode and AudioBufferSourceNode</title>
|
| + <script src="../resources/js-test.js"></script>
|
| + </head>
|
| +
|
| + <body>
|
| + <script type="text/javascript">
|
| + description("Test premature GC upon OscillatorNode and AudioBufferSourceNode");
|
| + window.jsTestIsAsync = true;
|
| +
|
| + var sampleRate = 44100;
|
| + var renderLength = 2 * sampleRate;
|
| +
|
| + var context = new OfflineAudioContext(1, renderLength, sampleRate);
|
| +
|
| + // Immediately execute this code inside of the closure. This way |osc| is
|
| + // contained in the scope and will be a possible target of GC. However,
|
| + // it will survive GC since it has a pending activity because it is
|
| + // scheduled. Thus |onended| will be fired eventually.
|
| + (function () {
|
| + var osc = context.createOscillator();
|
| + osc.connect(context.destination);
|
| + osc.onended = function () {
|
| + testPassed('OscillatorNode survived GC and onended event fired.');
|
| + };
|
| +
|
| + // Play the oscillator for 1 second.
|
| + osc.start();
|
| + osc.stop(1);
|
| + })();
|
| +
|
| + // The below does the same thing, but with AudioBufferSourceNode.
|
| + (function () {
|
| + var source = context.createBufferSource();
|
| + var dummy = context.createBuffer(1, 44100 * 1.5, 44100);
|
| + source.buffer = dummy;
|
| +
|
| + source.connect(context.destination);
|
| +
|
| + source.onended = function () {
|
| + testPassed('AudioBufferSourceNode survived GC and onended event fired.');
|
| + };
|
| +
|
| + var now = context.currentTime;
|
| + source.start(now);
|
| + })();
|
| +
|
| + // Suspend the rendering at 0.1 second and perform GC. The reference to
|
| + // the oscillator and the buffer source should not be collected.
|
| + context.suspend(0.1).then(function () {
|
| + gc();
|
| + context.resume();
|
| + });
|
| +
|
| + context.startRendering().then(function () {
|
| + finishJSTest();
|
| + });
|
| +
|
| + succesfullyParsed = true;
|
| + </script>
|
| + </body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1593763002:
Keep AudioSourceNode from premature GC with ScriptWrappable::hasPendingActivity() (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master