Reorganize net/disk_cache into backend specific directories.

net/disk_cache/mapped_file_unittest.cc

-// Copyright (c) 2011 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/files/file_path.h"
-#include "base/strings/string_util.h"
-#include "net/disk_cache/disk_cache_test_base.h"
-#include "net/disk_cache/disk_cache_test_util.h"
-#include "net/disk_cache/file_block.h"
-#include "net/disk_cache/mapped_file.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-// Implementation of FileIOCallback for the tests.
-class FileCallbackTest: public disk_cache::FileIOCallback {
- public:
-  FileCallbackTest(int id, MessageLoopHelper* helper, int* max_id)
-      : id_(id),
-        helper_(helper),
-        max_id_(max_id) {
-  }
-  virtual ~FileCallbackTest() {}
-
-  virtual void OnFileIOComplete(int bytes_copied) OVERRIDE;
-
- private:
-  int id_;
-  MessageLoopHelper* helper_;
-  int* max_id_;
-};
-
-void FileCallbackTest::OnFileIOComplete(int bytes_copied) {
-  if (id_ > *max_id_) {
-    NOTREACHED();
-    helper_->set_callback_reused_error(true);
-  }
-
-  helper_->CallbackWasCalled();
-}
-
-class TestFileBlock : public disk_cache::FileBlock {
- public:
-  TestFileBlock() {
-    CacheTestFillBuffer(buffer_, sizeof(buffer_), false);
-  }
-  virtual ~TestFileBlock() {}
-
-  // FileBlock interface.
-  virtual void* buffer() const OVERRIDE { return const_cast<char*>(buffer_); }
-  virtual size_t size() const OVERRIDE { return sizeof(buffer_); }
-  virtual int offset() const OVERRIDE { return 1024; }
-
- private:
-  char buffer_[20];
-};
-
-}  // namespace
-
-TEST_F(DiskCacheTest, MappedFile_SyncIO) {
-  base::FilePath filename = cache_path_.AppendASCII("a_test");
-  scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
-  ASSERT_TRUE(CreateCacheTestFile(filename));
-  ASSERT_TRUE(file->Init(filename, 8192));
-
-  char buffer1[20];
-  char buffer2[20];
-  CacheTestFillBuffer(buffer1, sizeof(buffer1), false);
-  base::strlcpy(buffer1, "the data", arraysize(buffer1));
-  EXPECT_TRUE(file->Write(buffer1, sizeof(buffer1), 8192));
-  EXPECT_TRUE(file->Read(buffer2, sizeof(buffer2), 8192));
-  EXPECT_STREQ(buffer1, buffer2);
-}
-
-TEST_F(DiskCacheTest, MappedFile_AsyncIO) {
-  base::FilePath filename = cache_path_.AppendASCII("a_test");
-  scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
-  ASSERT_TRUE(CreateCacheTestFile(filename));
-  ASSERT_TRUE(file->Init(filename, 8192));
-
-  int max_id = 0;
-  MessageLoopHelper helper;
-  FileCallbackTest callback(1, &helper, &max_id);
-
-  char buffer1[20];
-  char buffer2[20];
-  CacheTestFillBuffer(buffer1, sizeof(buffer1), false);
-  base::strlcpy(buffer1, "the data", arraysize(buffer1));
-  bool completed;
-  EXPECT_TRUE(file->Write(buffer1, sizeof(buffer1), 1024 * 1024, &callback,
-              &completed));
-  int expected = completed ? 0 : 1;
-
-  max_id = 1;
-  helper.WaitUntilCacheIoFinished(expected);
-
-  EXPECT_TRUE(file->Read(buffer2, sizeof(buffer2), 1024 * 1024, &callback,
-              &completed));
-  if (!completed)
-    expected++;
-
-  helper.WaitUntilCacheIoFinished(expected);
-
-  EXPECT_EQ(expected, helper.callbacks_called());
-  EXPECT_FALSE(helper.callback_reused_error());
-  EXPECT_STREQ(buffer1, buffer2);
-}
-
-TEST_F(DiskCacheTest, MappedFile_AsyncLoadStore) {
-  base::FilePath filename = cache_path_.AppendASCII("a_test");
-  scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
-  ASSERT_TRUE(CreateCacheTestFile(filename));
-  ASSERT_TRUE(file->Init(filename, 8192));
-
-  int max_id = 0;
-  MessageLoopHelper helper;
-  FileCallbackTest callback(1, &helper, &max_id);
-
-  TestFileBlock file_block1;
-  TestFileBlock file_block2;
-  base::strlcpy(static_cast<char*>(file_block1.buffer()), "the data",
-                file_block1.size());
-  bool completed;
-  EXPECT_TRUE(file->Store(&file_block1, &callback, &completed));
-  int expected = completed ? 0 : 1;
-
-  max_id = 1;
-  helper.WaitUntilCacheIoFinished(expected);
-
-  EXPECT_TRUE(file->Load(&file_block2, &callback, &completed));
-  if (!completed)
-    expected++;
-
-  helper.WaitUntilCacheIoFinished(expected);
-
-  EXPECT_EQ(expected, helper.callbacks_called());
-  EXPECT_FALSE(helper.callback_reused_error());
-  EXPECT_STREQ(static_cast<char*>(file_block1.buffer()),
-               static_cast<char*>(file_block2.buffer()));
-}