| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| Test passing SharedArrayBuffer to an AudioWorklet |
| </title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/webaudio/resources/audit.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| let audit = Audit.createTaskRunner(); |
| |
| let context = new AudioContext(); |
| |
| let filePath = 'processors/sharedarraybuffer-processor.js'; |
| |
| audit.define( |
| 'Test postMessage from AudioWorkletProcessor to AudioWorkletNode', |
| (task, should) => { |
| let workletNode = |
| new AudioWorkletNode(context, 'sharedarraybuffer-processor'); |
| |
| // After it is created, the worklet will send a new |
| // SharedArrayBuffer to the main thread. |
| // |
| // The worklet will then wait to receive a message from the main |
| // thread. |
| // |
| // When it receives the message, it will check whether it is a |
| // SharedArrayBuffer, and send this information back to the main |
| // thread. |
| |
| workletNode.port.onmessage = (event) => { |
| let data = event.data; |
| switch (data.state) { |
| case 'created': |
| should( |
| data.sab instanceof SharedArrayBuffer, |
| 'event.data.sab from worklet is an instance of SharedArrayBuffer') |
| .beTrue(); |
| |
| // Send a SharedArrayBuffer back to the worklet. |
| let sab = new SharedArrayBuffer(8); |
| workletNode.port.postMessage(sab); |
| break; |
| |
| case 'received message': |
| should(data.isSab, 'event.data from main thread is an instance of SharedArrayBuffer') |
| .beTrue(); |
| task.done(); |
| break; |
| |
| default: |
| should(false, |
| `Got unexpected message from worklet: ${data.state}`) |
| .beTrue(); |
| task.done(); |
| break; |
| } |
| }; |
| |
| workletNode.port.onmessageerror = (event) => { |
| should(false, 'Got messageerror from worklet').beTrue(); |
| task.done(); |
| }; |
| }); |
| |
| context.audioWorklet.addModule(filePath).then(() => { |
| audit.run(); |
| }); |
| </script> |
| </body> |
| </html> |
| |
