Update web-platform-tests to revision b'b728032f59a396243864b0f8584e7211e3632005'

tests/wpt/web-platform-tests/webcodecs/audio-encoder.https.any.js

@@ -404,3 +404,71 @@ promise_test(async t => {
   assert_not_equals(decoder_config.description, null);
   encoder.close();
 }, "Emit decoder config and extra data.");
+
+promise_test(async t => {
+  let sample_rate = 48000;
+  let total_duration_s = 1;
+  let data_count = 100;
+  let init = getDefaultCodecInit(t);
+  init.output = (chunk, metadata) => {}
+
+  let encoder = new AudioEncoder(init);
+
+  // No encodes yet.
+  assert_equals(encoder.encodeQueueSize, 0);
+
+  let config = {
+    codec: 'opus',
+    sampleRate: sample_rate,
+    numberOfChannels: 2,
+    bitrate: 256000 //256kbit
+  };
+  encoder.configure(config);
+
+  // Still no encodes.
+  assert_equals(encoder.encodeQueueSize, 0);
+
+  let datas = [];
+  let timestamp_us = 0;
+  let data_duration_s = total_duration_s / data_count;
+  let data_length = data_duration_s * config.sampleRate;
+  for (let i = 0; i < data_count; i++) {
+    let data = make_audio_data(timestamp_us, config.numberOfChannels,
+      config.sampleRate, data_length);
+    datas.push(data);
+    timestamp_us += data_duration_s * 1_000_000;
+  }
+
+  let lastDequeueSize = Infinity;
+  encoder.ondequeue = () => {
+    assert_greater_than(lastDequeueSize, 0, "Dequeue event after queue empty");
+    assert_greater_than(lastDequeueSize, encoder.encodeQueueSize,
+                        "Dequeue event without decreased queue size");
+    lastDequeueSize = encoder.encodeQueueSize;
+  };
+
+  for (let data of datas)
+    encoder.encode(data);
+
+  assert_greater_than_equal(encoder.encodeQueueSize, 0);
+  assert_less_than_equal(encoder.encodeQueueSize, data_count);
+
+  await encoder.flush();
+  // We can guarantee that all encodes are processed after a flush.
+  assert_equals(encoder.encodeQueueSize, 0);
+  // Last dequeue event should fire when the queue is empty.
+  assert_equals(lastDequeueSize, 0);
+
+  // Reset this to Infinity to track the decline of queue size for this next
+  // batch of encodes.
+  lastDequeueSize = Infinity;
+
+  for (let data of datas) {
+    encoder.encode(data);
+    data.close();
+  }
+
+  assert_greater_than_equal(encoder.encodeQueueSize, 0);
+  encoder.reset();
+  assert_equals(encoder.encodeQueueSize, 0);
+}, 'encodeQueueSize test');