k-rate-gain.html - mozsearch

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audioparam-interface/k-rate-gain.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

  <head>

    <title>Test k-rate AudioParam of GainNode</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('Test k-rate GainNode', (task, should) => {

        // Arbitrary sample rate and duration.

        let sampleRate = 8000;

        let testDuration = 1;

        let context = new OfflineAudioContext({

          numberOfChannels: 3,

          sampleRate: sampleRate,

          length: testDuration * sampleRate

});

        doTest(context, should, {

          nodeName: 'GainNode',

          nodeOptions: null,

          prefix: 'GainNode',

          // Set AudioParam to k-rate

          rateSettings: [{name: 'gain', value: 'k-rate'}],

          // Automate

          automations: [{

            name: 'gain',

            methods: [

              {name: 'setValueAtTime', options: [1, 0]},

              {name: 'linearRampToValueAtTime', options: [0, testDuration]}

}]

        }).then(() => task.done());

});

      audit.run();

    </script>

  </body>

</html>