Revert 194560 "[SPDY] Replace SpdyIOBuffer with new SpdyBuffer c..."

trunk/src/net/spdy/spdy_buffer_unittest.cc

-// Copyright (c) 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 "net/spdy/spdy_buffer.h"
-
-#include <cstddef>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "net/base/io_buffer.h"
-#include "net/spdy/spdy_protocol.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-
-namespace {
-
-const char kData[] = "hello!\0hi.";
-const size_t kDataSize = arraysize(kData);
-
-class SpdyBufferTest : public ::testing::Test {};
-
-// Make a string from the data remaining in |buffer|.
-std::string BufferToString(const SpdyBuffer& buffer) {
-  return std::string(buffer.GetRemainingData(), buffer.GetRemainingSize());
-}
-
-// Construct a SpdyBuffer from a SpdyFrame and make sure its data
-// points to the frame's underlying data.
-TEST_F(SpdyBufferTest, FrameConstructor) {
-  SpdyBuffer buffer(
-      scoped_ptr<SpdyFrame>(
-          new SpdyFrame(const_cast<char*>(kData), kDataSize,
-                        false /* owns_buffer */)));
-
-  EXPECT_EQ(kData, buffer.GetRemainingData());
-  EXPECT_EQ(kDataSize, buffer.GetRemainingSize());
-}
-
-// Construct a SpdyBuffer from a const char*/size_t pair and make sure
-// it makes a copy of the data.
-TEST_F(SpdyBufferTest, DataConstructor) {
-  std::string data(kData, kDataSize);
-  SpdyBuffer buffer(data.data(), data.size());
-  // This mutation shouldn't affect |buffer|'s data.
-  data[0] = 'H';
-
-  EXPECT_NE(kData, buffer.GetRemainingData());
-  EXPECT_EQ(kDataSize, buffer.GetRemainingSize());
-  EXPECT_EQ(std::string(kData, kDataSize), BufferToString(buffer));
-}
-
-// Construct a SpdyBuffer and call Consume() on it, which should
-// update the remaining data pointer and size appropriately.
-TEST_F(SpdyBufferTest, Consume) {
-  SpdyBuffer buffer(kData, kDataSize);
-
-  EXPECT_EQ(std::string(kData, kDataSize), BufferToString(buffer));
-
-  buffer.Consume(5);
-  EXPECT_EQ(std::string(kData + 5, kDataSize - 5), BufferToString(buffer));
-
-  buffer.Consume(kDataSize - 5);
-  EXPECT_EQ(0u, buffer.GetRemainingSize());
-}
-
-// Make sure the IOBuffer returned by GetIOBufferForRemainingData()
-// points to the buffer's remaining data and isn't updated by
-// Consume().
-TEST_F(SpdyBufferTest, GetIOBufferForRemainingData) {
-  SpdyBuffer buffer(kData, kDataSize);
-
-  buffer.Consume(5);
-  scoped_refptr<IOBuffer> io_buffer = buffer.GetIOBufferForRemainingData();
-  size_t io_buffer_size = buffer.GetRemainingSize();
-  const std::string expectedData(kData + 5, kDataSize - 5);
-  EXPECT_EQ(expectedData, std::string(io_buffer->data(), io_buffer_size));
-
-  buffer.Consume(kDataSize - 5);
-  EXPECT_EQ(expectedData, std::string(io_buffer->data(), io_buffer_size));
-}
-
-}  // namespace
-
-}  // namespace net