audiosource-onended.html

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This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiosource-onended.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      Test Onended Event Listener

    </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 sampleRate = 44100;

      let renderLengthSeconds = 1;

      let renderLengthFrames = renderLengthSeconds * sampleRate;

      // Length of the source buffer.  Anything less than the render length is

      // fine.

      let sourceBufferLengthFrames = renderLengthFrames / 8;

      // When to stop the oscillator.  Anything less than the render time is

      // fine.

      let stopTime = renderLengthSeconds / 8;

      let audit = Audit.createTaskRunner();

      audit.define('absn-set-onended', (task, should) => {

        // Test that the onended event for an AudioBufferSourceNode is fired

        // when it is set directly.

        let context =

            new OfflineAudioContext(1, renderLengthFrames, sampleRate);

        let buffer = context.createBuffer(

            1, sourceBufferLengthFrames, context.sampleRate);

        let source = context.createBufferSource();

        source.buffer = buffer;

        source.connect(context.destination);

        source.onended = function(e) {

          should(

              true, 'AudioBufferSource.onended called when ended set directly')

              .beEqualTo(true);

};

        source.start();

        context.startRendering().then(() => task.done());

});

      audit.define('absn-add-listener', (task, should) => {

        // Test that the onended event for an AudioBufferSourceNode is fired

        // when addEventListener is used to set the handler.

        let context =

            new OfflineAudioContext(1, renderLengthFrames, sampleRate);

        let buffer = context.createBuffer(

            1, sourceBufferLengthFrames, context.sampleRate);

        let source = context.createBufferSource();

        source.buffer = buffer;

        source.connect(context.destination);

        source.addEventListener('ended', function(e) {

          should(

              true,

              'AudioBufferSource.onended called when using addEventListener')

              .beEqualTo(true);

});

        source.start();

        context.startRendering().then(() => task.done());

});

      audit.define('osc-set-onended', (task, should) => {

        // Test that the onended event for an OscillatorNode is fired when it is

        // set directly.

        let context =

            new OfflineAudioContext(1, renderLengthFrames, sampleRate);

        let source = context.createOscillator();

        source.connect(context.destination);

        source.onended = function(e) {

          should(true, 'Oscillator.onended called when ended set directly')

              .beEqualTo(true);

};

        source.start();

        source.stop(stopTime);

        context.startRendering().then(() => task.done());

});

      audit.define('osc-add-listener', (task, should) => {

        // Test that the onended event for an OscillatorNode is fired when

        // addEventListener is used to set the handler.

        let context =

            new OfflineAudioContext(1, renderLengthFrames, sampleRate);

        let source = context.createOscillator();

        source.connect(context.destination);

        source.addEventListener('ended', function(e) {

          should(true, 'Oscillator.onended called when using addEventListener')

              .beEqualTo(true);

});

        source.start();

        source.stop(stopTime);

        context.startRendering().then(() => task.done());

});

      audit.run();

    </script>

  </body>

</html>