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Test Info:

<!DOCTYPE html>
<html>
<head>
<title>
Test Supported Number of Channels for ConvolverNode
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/resources/audit-util.js"></script>
<script src="/webaudio/resources/audit.js"></script>
</head>
<body>
<script id="layout-test-code">
let audit = Audit.createTaskRunner();
audit.define('channel-count-test', (task, should) => {
// Just need a context to create nodes on, so any allowed length and
// rate is ok.
let context = new OfflineAudioContext(1, 1, 48000);
let success = true;
for (let count = 1; count <= 32; ++count) {
let convolver = context.createConvolver();
let buffer = context.createBuffer(count, 1, context.sampleRate);
let message = 'ConvolverNode with buffer of ' + count + ' channels';
if (count == 1 || count == 2 || count == 4) {
// These are the only valid channel counts for the buffer.
should(() => convolver.buffer = buffer, message).notThrow();
} else {
should(() => convolver.buffer = buffer, message)
.throw(DOMException, 'NotSupportedError');
}
}
task.done();
});
audit.run();
</script>
</body>
</html>