| <!DOCTYPE html> |
| <script src="../../resources/gc.js"></script> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| function soon() { return new Promise(resolve => setTimeout(resolve, 0)); } |
| async function becomesTrue(predicate) { |
| while (!predicate()) await soon(); |
| } |
| |
| function createSelfConnectedNode(context) { |
| const gain = context.createGain(); |
| gain.connect(gain); |
| } |
| |
| promise_test(async () => { |
| await asyncGC(); |
| await becomesTrue(() => internals.audioHandlerCount() == 0); |
| |
| let context = new OfflineAudioContext(2, 1024, 44100); |
| let initialCount = internals.audioHandlerCount(); |
| createSelfConnectedNode(context); |
| assert_greater_than(internals.audioHandlerCount(), 0); |
| |
| // Need to render to clean up a cycle on an offline context. |
| await context.startRendering(); |
| |
| // Wait until the gain node's handler has been destroyed to declare victory. |
| await asyncGC(); |
| await becomesTrue(() => internals.audioHandlerCount() <= initialCount); |
| }, "No crash should occur when a node connected to itself is collected."); |
| </script> |
