Convert //media/audio from scoped_ptr to std::unique_ptr

media/audio/simple_sources_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "media/audio/simple_sources.h"
+
 #include <stddef.h>
 #include <stdint.h>
 
 #include <limits>
+#include <memory>
 
 #include "base/files/file_util.h"
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "media/audio/simple_sources.h"
 #include "media/audio/sounds/test_data.h"
 #include "media/base/audio_bus.h"
 #include "media/base/audio_parameters.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 
 // Validate that the SineWaveAudioSource writes the expected values.
 TEST(SimpleSources, SineWaveAudioSource) {
   static const uint32_t samples = 1024;
   static const uint32_t bytes_per_sample = 2;
   static const int freq = 200;
 
   AudioParameters params(
         AudioParameters::AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_MONO,
         AudioParameters::kTelephoneSampleRate, bytes_per_sample * 8, samples);
 
   SineWaveAudioSource source(1, freq, params.sample_rate());
-  scoped_ptr<AudioBus> audio_bus = AudioBus::Create(params);
+  std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(params);
   source.OnMoreData(audio_bus.get(), 0, 0);
   EXPECT_EQ(1, source.callbacks());
   EXPECT_EQ(0, source.errors());
 
   uint32_t half_period = AudioParameters::kTelephoneSampleRate / (freq * 2);
 
   // Spot test positive incursion of sine wave.
   EXPECT_NEAR(0, audio_bus->channel(0)[0],
               std::numeric_limits<float>::epsilon());
   EXPECT_FLOAT_EQ(0.15643446f, audio_bus->channel(0)[1]);
   EXPECT_LT(audio_bus->channel(0)[1], audio_bus->channel(0)[2]);
   EXPECT_LT(audio_bus->channel(0)[2], audio_bus->channel(0)[3]);
   // Spot test negative incursion of sine wave.
   EXPECT_NEAR(0, audio_bus->channel(0)[half_period],
               std::numeric_limits<float>::epsilon());
   EXPECT_FLOAT_EQ(-0.15643446f, audio_bus->channel(0)[half_period + 1]);
   EXPECT_GT(audio_bus->channel(0)[half_period + 1],
             audio_bus->channel(0)[half_period + 2]);
   EXPECT_GT(audio_bus->channel(0)[half_period + 2],
             audio_bus->channel(0)[half_period + 3]);
 }
 
 TEST(SimpleSources, SineWaveAudioCapped) {
   SineWaveAudioSource source(1, 200, AudioParameters::kTelephoneSampleRate);
 
   static const int kSampleCap = 100;
   source.CapSamples(kSampleCap);
 
-  scoped_ptr<AudioBus> audio_bus = AudioBus::Create(1, 2 * kSampleCap);
+  std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(1, 2 * kSampleCap);
   EXPECT_EQ(source.OnMoreData(audio_bus.get(), 0, 0), kSampleCap);
   EXPECT_EQ(1, source.callbacks());
   EXPECT_EQ(source.OnMoreData(audio_bus.get(), 0, 0), 0);
   EXPECT_EQ(2, source.callbacks());
   source.Reset();
   EXPECT_EQ(source.OnMoreData(audio_bus.get(), 0, 0), kSampleCap);
   EXPECT_EQ(3, source.callbacks());
   EXPECT_EQ(0, source.errors());
 }
 
@@ skipping 13 matching lines @@
   ASSERT_TRUE(base::CreateTemporaryFile(&temp_path));
   base::File temp(temp_path,
                   base::File::FLAG_WRITE | base::File::FLAG_OPEN_ALWAYS);
   temp.WriteAtCurrentPos(kTestAudioData, kTestAudioDataSize);
   ASSERT_EQ(kTestAudioDataSize, static_cast<size_t>(temp.GetLength()));
   temp.Close();
 
   // Create AudioParameters which match those in the WAV data.
   AudioParameters params(AudioParameters::AUDIO_PCM_LINEAR,
                          CHANNEL_LAYOUT_STEREO, 48000, 16, kNumFrames);
-  scoped_ptr<AudioBus> audio_bus = AudioBus::Create(2, kNumFrames);
+  std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(2, kNumFrames);
   audio_bus->Zero();
 
   // Create a FileSource that reads this file.
   FileSource source(params, temp_path);
   EXPECT_EQ(kNumFrames, source.OnMoreData(audio_bus.get(), 0, 0));
 
   // Convert the test data (little-endian) into floats and compare.
   const int kFirstSampleIndex = 12 + 8 + 16 + 8;
   int16_t data[2];
   data[0] = kTestAudioData[kFirstSampleIndex];
@@ skipping 11 matching lines @@
   for (int channel = 0; channel < audio_bus->channels(); ++channel) {
     for (int frame = 1; frame < audio_bus->frames(); ++frame) {
       EXPECT_FLOAT_EQ(0.0, audio_bus->channel(channel)[frame]);
     }
   }
 }
 
 TEST(SimpleSources, BadFilePathFails) {
   AudioParameters params(AudioParameters::AUDIO_PCM_LINEAR,
                          CHANNEL_LAYOUT_STEREO, 48000, 16, 10);
-  scoped_ptr<AudioBus> audio_bus = AudioBus::Create(2, 10);
+  std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(2, 10);
   audio_bus->Zero();
 
   // Create a FileSource that reads this file.
   base::FilePath path;
   path = path.Append(FILE_PATH_LITERAL("does"))
              .Append(FILE_PATH_LITERAL("not"))
              .Append(FILE_PATH_LITERAL("exist"));
   FileSource source(params, path);
   EXPECT_EQ(0, source.OnMoreData(audio_bus.get(), 0, 0));
 
@@ skipping 17 matching lines @@
 
   // Corrupt the header.
   temp.Write(3, "0x00", 1);
 
   ASSERT_EQ(kTestAudioDataSize, static_cast<size_t>(temp.GetLength()));
   temp.Close();
 
   // Create AudioParameters which match those in the WAV data.
   AudioParameters params(AudioParameters::AUDIO_PCM_LINEAR,
                          CHANNEL_LAYOUT_STEREO, 48000, 16, kNumFrames);
-  scoped_ptr<AudioBus> audio_bus = AudioBus::Create(2, kNumFrames);
+  std::unique_ptr<AudioBus> audio_bus = AudioBus::Create(2, kNumFrames);
   audio_bus->Zero();
 
   // Create a FileSource that reads this file.
   FileSource source(params, temp_path);
   EXPECT_EQ(0, source.OnMoreData(audio_bus.get(), 0, 0));
 
   // Confirm all frames are zero-padded.
   for (int channel = 0; channel < audio_bus->channels(); ++channel) {
     for (int frame = 0; frame < audio_bus->frames(); ++frame) {
       EXPECT_FLOAT_EQ(0.0, audio_bus->channel(channel)[frame]);
     }
   }
 }
 
 }  // namespace media