| 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..aeffcabb32da5a8c464a9c2b813645140d88a305
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/webaudio/audiosource-premature-gc.html
|
| @@ -0,0 +1,82 @@
|
| +<!doctype html>
|
| +<html>
|
| + <head>
|
| + <title>Test premature GC upon OscillatorNode and AudioBufferSourceNode</title>
|
| + <script src="../resources/js-test.js"></script>
|
| + <script src="resources/audio-testing.js"></script>
|
| + </head>
|
| +
|
| + <body>
|
| + <script type="text/javascript">
|
| + description("Test premature GC upon OscillatorNode and AudioBufferSourceNode");
|
| + window.jsTestIsAsync = true;
|
| +
|
| + var sampleRate = 44100;
|
| + var renderDuration = 1;
|
| +
|
| + var audit = Audit.createTaskRunner();
|
| +
|
| +
|
| + // Create a graph for testing in an isolated scope. Returns |context|.
|
| + // Create two nodes and schedule only one of them. Then check if |onended|
|
| + // from the scheduled node is fired correctly.
|
| + function createGraphInIsolatedScope(sourceNodeType, done) {
|
| +
|
| + 'use strict';
|
| +
|
| + var context = new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
|
| +
|
| + {
|
| + let node = context['create' + sourceNodeType]();
|
| + node.connect(context.destination);
|
| +
|
| + if (sourceNodeType === 'BufferSource') {
|
| + let emptyBuffer = context.createBuffer(1, sampleRate, sampleRate);
|
| + node.buffer = emptyBuffer;
|
| + }
|
| +
|
| + // If the node is GCed, |onended| won't be fired. Then this test
|
| + // will be timed out because done() will not get called.
|
| + node.onended = function () {
|
| + testPassed(sourceNodeType + 'Node 1 survived GC and onended event fired.');
|
| + done();
|
| + };
|
| +
|
| + node.start();
|
| + node.stop(0.5 * renderDuration);
|
| + }
|
| +
|
| + // Suspend and GC before the render finishes. The time position is
|
| + // arbitrary. GC should collect |osc2| because it is not scheduled.
|
| + context.suspend(0.1 * renderDuration).then(function () {
|
| + gc();
|
| + context.resume();
|
| + });
|
| +
|
| + context.startRendering();
|
| + }
|
| +
|
| + audit.defineTask('oscillator-onended', function (done) {
|
| + createGraphInIsolatedScope('Oscillator', done);
|
| + });
|
| +
|
| + audit.defineTask('buffersource-onended', function (done) {
|
| + createGraphInIsolatedScope('BufferSource', done);
|
| + });
|
| +
|
| + audit.defineTask('finish', function (done) {
|
| + finishJSTest();
|
| + done();
|
| + });
|
| +
|
| +
|
| + audit.runTasks(
|
| + 'oscillator-onended',
|
| + 'buffersource-onended',
|
| + 'finish'
|
| + );
|
| +
|
| + 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