Added volume adjust sound behind the flag.

media/audio/sounds/wav_parser_unittest.cc

Index: media/audio/sounds/wav_parser_unittest.cc
diff --git a/media/audio/sounds/wav_parser_unittest.cc b/media/audio/sounds/wav_parser_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a4db20160f30a0700e5b4e04bdb4df9c0fe48526
--- /dev/null
+++ b/media/audio/sounds/wav_parser_unittest.cc
@@ -0,0 +1,39 @@
+// Copyright 2013 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 "base/basictypes.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/string_piece.h"
+#include "media/audio/sounds/test_data.h"
+#include "media/audio/sounds/wav_parser.h"
+#include "media/audio/sounds/wav_reader.h"
+#include "media/base/audio_bus.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+TEST(WavParserTest, SampleDataTest) {
+  WavParser parser(base::StringPiece(kTestAudioData,
+                                     arraysize(kTestAudioData)));
+  ASSERT_EQ(static_cast<uint16>(2), parser.num_channels());
+  ASSERT_EQ(static_cast<uint16>(16), parser.bits_per_sample());
+  ASSERT_EQ(static_cast<uint32>(48000), parser.sample_rate());
+  ASSERT_EQ(static_cast<uint32>(96000), parser.byte_rate());
+
+  ASSERT_EQ(static_cast<size_t>(4), parser.data().size());
+  const char kData[] = "\x01\x00\x01\x00";
+  ASSERT_EQ(base::StringPiece(kData, arraysize(kData) - 1), parser.data());
+
+  scoped_ptr<AudioBus> bus = AudioBus::Create(
+      parser.num_channels(),
+      parser.data().size() / parser.num_channels());
+
+  WavReaderImpl reader(parser);
+  size_t bytes_written;
+  ASSERT_TRUE(reader.CopyTo(bus.get(), 0, &bytes_written));
+  ASSERT_EQ(static_cast<size_t>(parser.data().size()), bytes_written);
+}
+
+}  // namespace media