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+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioworklet-interface/audioworkletglobalscope-timing-info.https.html
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+<!DOCTYPE html>
+<html>
+ <head>
+ <title>
+ Test currentTime and currentFrame in AudioWorkletGlobalScope
+ </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();
+
+ setup(() => {
+ let sampleRate = 48000;
+ let renderLength = 512;
+ let context = new OfflineAudioContext(1, renderLength, sampleRate);
+
+ let filePath = 'processors/timing-info-processor.js';
+
+ audit.define(
+ 'Check the timing information from AudioWorkletProcessor',
+ (task, should) => {
+ let 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();
+ };
+
+ portWorkletNode.port.postMessage('query-timing-info');
+ });
+ });
+
+ context.startRendering().then(() => {
+ task.done();
+ });
+ });
+
+ context.audioWorklet.addModule(filePath).then(() => {
+ audit.run();
+ });
+ });
+ </script>
+ </body>
+</html>