realtimeanalyser-basic.html

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This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-analysernode-interface/realtimeanalyser-basic.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      realtimeanalyser-basic.html

    </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 context = 0;

      let audit = Audit.createTaskRunner();

      audit.define('Basic AnalyserNode test', function(task, should) {

        context = new AudioContext();

        let analyser = context.createAnalyser();

        should(analyser.numberOfInputs, 'Number of inputs for AnalyserNode')

            .beEqualTo(1);

        should(analyser.numberOfOutputs, 'Number of outputs for AnalyserNode')

            .beEqualTo(1);

        should(analyser.minDecibels, 'Default minDecibels value')

            .beEqualTo(-100);

        should(analyser.maxDecibels, 'Default maxDecibels value')

            .beEqualTo(-30);

        should(

            analyser.smoothingTimeConstant,

            'Default smoothingTimeConstant value')

            .beEqualTo(0.8);

        let expectedValue = -50 - (1 / 3);

        analyser.minDecibels = expectedValue;

        should(analyser.minDecibels, 'node.minDecibels = ' + expectedValue)

            .beEqualTo(expectedValue);

        expectedValue = -40 - (1 / 3);

        analyser.maxDecibels = expectedValue;

        should(analyser.maxDecibels, 'node.maxDecibels = ' + expectedValue)

            .beEqualTo(expectedValue);

        task.done();

});

      audit.run();

    </script>

  </body>

</html>