Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audioworklet-interface/audioworklet-throw-onmessage.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>
Test the behaviour of AudioWorkletProcessor when an `onmessage` handler
throws.
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/js/helpers.js"></script>
</head>
<body>
<script id="processor" type="worklet">
registerProcessor("test-throw", class param extends AudioWorkletProcessor {
constructor() {
super()
this.i = 0;
this.port.onmessage = function(arg) {
throw "asdasd";
}
}
process(input, output, parameters) {
this.i++;
this.port.postMessage(this.i);
return true;
}
});
</script>
<script>
var latestIndexReceived = 0;
var node = null;
var ac = null;
promise_setup(function() {
ac = new AudioContext();
var url = URLFromScriptsElements(["processor"]);
return ac.audioWorklet.addModule(url).then(function() {
node = new AudioWorkletNode(ac, "test-throw");
node.port.onmessage = function(e) {
latestIndexReceived = parseInt(e.data);
};
});
});
promise_test(async t => {
var currentIndex = latestIndexReceived;
await t.step_wait(() => {
return latestIndexReceived > currentIndex;
}, "Process is still being called");
node.port.postMessage("asdasd"); // This throws on the processor side.
node.onprocessorerror = function() {
assert_true(false, "onprocessorerror must not be called.");
};
currentIndex = latestIndexReceived;
await t.step_wait(() => {
return latestIndexReceived > currentIndex + 2;
}, "Process is still being called");
}, `Throwing in an onmessage handler in the AudioWorkletGlobalScope shouldn't stop AudioWorkletProcessor`);
</script>
</body>
</html>