| <!doctype html> |
| <html> |
| <head> |
| <title>Test GC of AudioBufferSourceNode</title> |
| <script> |
| var context; |
| var bufferLengthSeconds = 120; |
| var count = 0; |
| |
| function runTest() { |
| |
| // Create the context |
| context = new AudioContext(); |
| |
| // Continuously create AudioBufferSourceNodes with large AudioBuffers and immediately drop |
| // the references. This should not crash the browser. |
| setInterval(function () { |
| var source = context.createBufferSource(); |
| var buffer = context.createBuffer(1, bufferLengthSeconds * context.sampleRate, context.sampleRate); |
| source.buffer = buffer; |
| buffer = null; |
| source = null; |
| ++count; |
| if ((count % 100) == 0) |
| console.log(count + " nodes generated"); |
| }, 10); |
| } |
| </script> |
| </head> |
| |
| <body> |
| <p> |
| This tests that we clear up source buffers that were never connected nor started. Press the |
| button to run the test. If everything is working correctly, there will be no crash. Watch the |
| messages in the console. Run this for at least 5000 nodes (see console for node count). |
| </p> |
| <button onclick="runTest()">Run AudioBufferSourceNode GC Test</button> |
| </body> |
| </html> |
