Using ring buffer for AudioVector in NetEq.

webrtc/modules/audio_coding/neteq/audio_vector_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.
  */
 
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   // Clear |vec| and verify that it is empty.
   vec.Clear();
   EXPECT_TRUE(vec.Empty());
 
   // Now copy the empty vector and verify that the copy becomes empty too.
   vec.CopyTo(&vec_copy);
   EXPECT_TRUE(vec_copy.Empty());
 }
 
-// Try to copy to a NULL pointer. Nothing should happen.
-TEST_F(AudioVectorTest, CopyToNull) {
-  AudioVector vec;
-  AudioVector* vec_copy = NULL;
-  vec.PushBack(array_, array_length());
-  vec.CopyTo(vec_copy);
-}
-
 // Test the PushBack method with another AudioVector as input argument.
 TEST_F(AudioVectorTest, PushBackVector) {
   static const size_t kLength = 10;
   AudioVector vec1(kLength);
   AudioVector vec2(kLength);
   // Set the first vector to [0, 1, ..., kLength - 1].
   // Set the second vector to [kLength, kLength + 1, ..., 2 * kLength - 1].
   for (size_t i = 0; i < kLength; ++i) {
     vec1[i] = static_cast<int16_t>(i);
     vec2[i] = static_cast<int16_t>(i + kLength);
@@ skipping 282 matching lines @@
     EXPECT_NEAR((i + 1) * 100 / (kFadeLength + 1),
                 vec1[kLength - kFadeLength + i], 1);
   }
   // Second part untouched.
   for (size_t i = kLength; i < vec1.Size(); ++i) {
     EXPECT_EQ(100, vec1[i]);
   }
 }
 
 }  // namespace webrtc