servo/tests/wpt/web-platform-tests/webaudio/the-audio-api/the-audioparam-interface/k-rate-constant-source.html

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<!doctype html>
<html>
<head>
<title>Test k-rate AudioParam of ConstantSourceNode</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>
<script src="automation-rate-testing.js"></script>
</head>
<body>
<script>
let audit = Audit.createTaskRunner();
audit.define('ConstantSource k-rate offset', (task, should) => {
// Arbitrary sample rate and duration.
let sampleRate = 8000;
// Only new a few render quanta to verify things are working.
let testDuration = 4 * 128 / sampleRate;
let context = new OfflineAudioContext({
numberOfChannels: 3,
sampleRate: sampleRate,
length: testDuration * sampleRate
});
doTest(context, should, {
sourceNodeName: 'none',
verifyPieceWiseConstant: true,
nodeName: 'ConstantSourceNode',
prefix: 'k-rate offset',
rateSettings: [{name: 'offset', value: 'k-rate'}],
automations: [{
name: 'offset',
methods: [
{name: 'setValueAtTime', options: [0, 0]}, {
name: 'linearRampToValueAtTime',
options: [10, testDuration]
}
]
}]
}).then(() => task.done());
});
audit.run();
</script>
</body>
</html>