Increase number of unsignaled audio streams we handle to 4.

webrtc/media/engine/webrtcvoiceengine_unittest.cc

 /*
  *  Copyright (c) 2008 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 21 matching lines @@
 #include "webrtc/test/mock_audio_decoder_factory.h"
 #include "webrtc/test/mock_audio_encoder_factory.h"
 #include "webrtc/voice_engine/transmit_mixer.h"
 
 using testing::ContainerEq;
 using testing::Return;
 using testing::StrictMock;
 
 namespace {
 
-constexpr uint32_t kMaxUnsignaledRecvStreams = 1;
+constexpr uint32_t kMaxUnsignaledRecvStreams = 4;
 
 const cricket::AudioCodec kPcmuCodec(0, "PCMU", 8000, 64000, 1);
 const cricket::AudioCodec kIsacCodec(103, "ISAC", 16000, 32000, 1);
 const cricket::AudioCodec kOpusCodec(111, "opus", 48000, 32000, 2);
 const cricket::AudioCodec kG722CodecVoE(9, "G722", 16000, 64000, 1);
 const cricket::AudioCodec kG722CodecSdp(9, "G722", 8000, 64000, 1);
 const cricket::AudioCodec kCn8000Codec(13, "CN", 8000, 0, 1);
 const cricket::AudioCodec kCn16000Codec(105, "CN", 16000, 0, 1);
 const cricket::AudioCodec
     kTelephoneEventCodec1(106, "telephone-event", 8000, 0, 1);
@@ skipping 3399 matching lines @@
   // Without this cast, the comparison turned unsigned and, thus, failed for -1.
   const int num_specs = static_cast<int>(specs.size());
   EXPECT_GE(find_codec({"cn", 8000, 1}), num_specs);
   EXPECT_GE(find_codec({"cn", 16000, 1}), num_specs);
   EXPECT_EQ(find_codec({"cn", 32000, 1}), -1);
   EXPECT_GE(find_codec({"telephone-event", 8000, 1}), num_specs);
   EXPECT_GE(find_codec({"telephone-event", 16000, 1}), num_specs);
   EXPECT_GE(find_codec({"telephone-event", 32000, 1}), num_specs);
   EXPECT_GE(find_codec({"telephone-event", 48000, 1}), num_specs);
 }