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[webaudio-testharness] Migrate audioworkletglobalscope-timing-info #56999

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Merged
chromium-wpt-export-bot merged 1 commit into from
Jan 8, 2026
Merged

[webaudio-testharness] Migrate audioworkletglobalscope-timing-info #56999

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71 changes: 31 additions & 40 deletions ...o/the-audio-api/the-audioworklet-interface/audioworkletglobalscope-timing-info.https.html
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Original file line number Diff line number Diff line change
Expand Up @@ -6,54 +6,45 @@
</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();
<script>
promise_test(async () => {
const sampleRate = 48000;
const renderLength = 512;
const context = new OfflineAudioContext(1, renderLength, sampleRate);

setup(() => {
let sampleRate = 48000;
let renderLength = 512;
let context = new OfflineAudioContext(1, renderLength, sampleRate);
const filePath = 'processors/timing-info-processor.js';

let filePath = 'processors/timing-info-processor.js';
await context.audioWorklet.addModule(filePath);

audit.define(
'Check the timing information from AudioWorkletProcessor',
(task, should) => {
let portWorkletNode =
new AudioWorkletNode(context, 'timing-info-processor');
portWorkletNode.connect(context.destination);
const portWorkletNode =
new AudioWorkletNode(context, 'timing-info-processor');
portWorkletNode.connect(context.destination);

// Suspend at render quantum boundary and check the timing
// information between the main thread and the rendering thread.
[0, 128, 256, 384].map((suspendFrame) => {
context.suspend(suspendFrame/sampleRate).then(() => {
portWorkletNode.port.onmessage = (event) => {
should(event.data.currentFrame,
'currentFrame from the processor at ' + suspendFrame)
.beEqualTo(suspendFrame);
should(event.data.currentTime,
'currentTime from the processor at '
+ context.currentTime)
.beEqualTo(context.currentTime);
context.resume();
};
// Suspend at render quantum boundary and check the timing
// information between the main thread and the rendering thread.
[0, 128, 256, 384].forEach(suspendFrame => {
context.suspend(suspendFrame / sampleRate).then(() => {
portWorkletNode.port.onmessage = (event) => {
assert_equals(
event.data.currentFrame,
suspendFrame,
'currentFrame from the processor at ' + suspendFrame);
assert_equals(
event.data.currentTime,
context.currentTime,
'currentTime from the processor at ' +
context.currentTime);
context.resume();
};

portWorkletNode.port.postMessage('query-timing-info');
});
});

context.startRendering().then(() => {
task.done();
});
});

context.audioWorklet.addModule(filePath).then(() => {
audit.run();
portWorkletNode.port.postMessage('query-timing-info');
});
});
});

await context.startRendering();
}, 'Check the timing information from AudioWorkletProcessor');
</script>
</body>
</html>