NetEq: Add new method last_output_sample_rate_hz

webrtc/modules/audio_coding/neteq/neteq_impl_unittest.cc

 /*
  *  Copyright (c) 2012 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 1212 matching lines @@
   EXPECT_EQ(NetEq::kOK,
             neteq_->GetAudio(kMaxOutputSize, output, &samples_per_channel,
                              &num_channels, &type));
   EXPECT_EQ(kMaxOutputSize, samples_per_channel);
   EXPECT_EQ(1, num_channels);
   EXPECT_EQ(kOutputCNG, type);
 
   EXPECT_CALL(mock_decoder, Die());
 }
 
+// Tests that the return value from last_output_sample_rate_hz() is equal to the
+// configured inital sample rate.
+TEST_F(NetEqImplTest, InitialLastOutputSampleRate) {
+  UseNoMocks();
+  config_.sample_rate_hz = 48000;
+  CreateInstance();
+  EXPECT_EQ(48000, neteq_->last_output_sample_rate_hz());
+}
+
 }// namespace webrtc