media/audio/sounds/wav_audio_handler_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/basictypes.h"
   6 #include "base/logging.h"
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/strings/string_piece.h"
   9 #include "media/audio/sounds/test_data.h"
  10 #include "media/audio/sounds/wav_audio_handler.h"
  11 #include "media/base/audio_bus.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace media {
  15
  16 TEST(WavAudioHandlerTest, SampleDataTest) {
  17   WavAudioHandler handler(base::StringPiece(kTestAudioData,
  18                                             arraysize(kTestAudioData)));
  19   ASSERT_EQ(2u, handler.num_channels());
  20   ASSERT_EQ(16u, handler.bits_per_sample());
  21   ASSERT_EQ(48000u, handler.sample_rate());
  22   ASSERT_EQ(1u, handler.total_frames());
  23   ASSERT_EQ(20u, handler.GetDuration().InMicroseconds());
  24
  25   ASSERT_EQ(4U, handler.data().size());
  26   const char kData[] = "\x01\x00\x01\x00";
  27   ASSERT_EQ(base::StringPiece(kData, arraysize(kData) - 1), handler.data());
  28
  29   scoped_ptr<AudioBus> bus = AudioBus::Create(
  30       handler.num_channels(), handler.data().size() / handler.num_channels());
  31
  32   size_t bytes_written;
  33   ASSERT_TRUE(handler.CopyTo(bus.get(), 0, &bytes_written));
  34   ASSERT_EQ(static_cast<size_t>(handler.data().size()), bytes_written);
  35 }
  36
  37 }  // namespace media