webcodecs/audio-decoder.https.any.js

// META: global=window,dedicatedworker
// META: script=/webcodecs/utils.js

const invalidConfigs = [
  {
    comment: 'Empty codec',
    config: {codec: ''},
  },
  {
    comment: 'Unrecognized codec',
    config: {codec: 'bogus'},
  },
  {
    comment: 'Video codec',
    config: {codec: 'vp8'},
  },
  {
    comment: 'Ambiguous codec',
    config: {codec: 'vp9'},
  },
  {
    comment: 'Codec with MIME type',
    config: {codec: 'audio/webm; codecs="opus"'},
  },
];

invalidConfigs.forEach(entry => {
  promise_test(
      t => {
        return promise_rejects_js(
            t, TypeError, AudioDecoder.isConfigSupported(entry.config));
      },
      'Test that AudioDecoder.isConfigSupported() rejects invalid config:' +
          entry.comment);
});

invalidConfigs.forEach(entry => {
  async_test(
      t => {
        let codec = new AudioDecoder(getDefaultCodecInit(t));
        assert_throws_js(TypeError, () => {
          codec.configure(entry.config);
        });
        t.done();
      },
      'Test that AudioDecoder.configure() rejects invalid config:' +
          entry.comment);
});

function getFakeChunk() {
  return new EncodedAudioChunk(
      {type: 'key', timestamp: 0, data: Uint8Array.of(0)});
}

promise_test(t => {
  // AudioDecoderInit lacks required fields.
  assert_throws_js(TypeError, () => {
    new AudioDecoder({});
  });

  // AudioDecoderInit has required fields.
  let decoder = new AudioDecoder(getDefaultCodecInit(t));

  assert_equals(decoder.state, 'unconfigured');
  decoder.close();

  return endAfterEventLoopTurn();
}, 'Test AudioDecoder construction');

promise_test(t => {
  let decoder = new AudioDecoder(getDefaultCodecInit(t));
  return testUnconfiguredCodec(t, decoder, getFakeChunk());
}, 'Verify unconfigured AudioDecoder operations');