ctor-waveshaper.html | Explore in Territory

<!DOCTYPE html>
<html>
  <head>
    <title>
      Test Constructor: WaveShaper
    </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="/webaudio/resources/audionodeoptions.js"></script>
  </head>
  <body>
    <script id="layout-test-code">
      let context;

      let audit = Audit.createTaskRunner();

      audit.define('initialize', (task, should) => {
        context = initializeContext(should);
        task.done();
      });

      audit.define('incorrect construction', (task, should) => {
        testInvalidConstructor(should, 'WaveShaperNode', context);
        task.done();
      });

      audit.define('valid default construction', (task, should) => {
        let prefix = 'node0';
        let node = testDefaultConstructor(should, 'WaveShaperNode', context, {
          prefix: prefix,
          numberOfInputs: 1,
          numberOfOutputs: 1,
          channelCount: 2,
          channelCountMode: 'max',
          channelInterpretation: 'speakers'
        });

        testDefaultAttributes(should, node, prefix, [
          {name: 'curve', value: null}, {name: 'oversample', value: 'none'}
        ]);

        task.done();
      });

      audit.define('test AudioNodeOptions', (task, should) => {
        testAudioNodeOptions(should, context, 'WaveShaperNode');
        task.done();
      });

      audit.define('valid non-default', (task, should) => {
        // Construct an WaveShaperNode with options
        let options = {curve: Float32Array.from([1, 2, 3]), oversample: '4x'};
        let node;

        let message =
            'node1 = new WaveShaperNode(, ' + JSON.stringify(options) + ')';
        should(() => {
          node = new WaveShaperNode(context, options);
        }, message).notThrow();
        should(node.curve, 'node1.curve').beEqualToArray(options.curve);
        should(node.oversample, 'node1.oversample')
            .beEqualTo(options.oversample);

        task.done();
      });

      audit.run();
    </script>
  </body>
</html>
chromium/third_party/blink/web_tests/external/wpt/webaudio/the-audio-api/the-waveshapernode-interface/ctor-waveshaper.html
