Move all core files in //components/sessions into core/ subdir

components/sessions/session_backend_unittest.cc

-// Copyright 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/files/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/stl_util.h"
-#include "base/strings/string_util.h"
-#include "components/sessions/session_backend.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace sessions {
-namespace {
-
-typedef ScopedVector<sessions::SessionCommand> SessionCommands;
-
-struct TestData {
-  sessions::SessionCommand::id_type command_id;
-  std::string data;
-};
-
-sessions::SessionCommand* CreateCommandFromData(const TestData& data) {
-  sessions::SessionCommand* command =
-      new sessions::SessionCommand(
-          data.command_id,
-          static_cast<sessions::SessionCommand::size_type>(data.data.size()));
-  if (!data.data.empty())
-    memcpy(command->contents(), data.data.c_str(), data.data.size());
-  return command;
-}
-
-}  // namespace
-
-class SessionBackendTest : public testing::Test {
- protected:
-  void SetUp() override {
-    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
-    path_ = temp_dir_.path().Append(FILE_PATH_LITERAL("SessionTestDirs"));
-    base::CreateDirectory(path_);
-  }
-
-  void AssertCommandEqualsData(const TestData& data,
-                               sessions::SessionCommand* command) {
-    EXPECT_EQ(data.command_id, command->id());
-    EXPECT_EQ(data.data.size(), command->size());
-    EXPECT_TRUE(
-        memcmp(command->contents(), data.data.c_str(), command->size()) == 0);
-  }
-
-  // Path used in testing.
-  base::FilePath path_;
-  base::ScopedTempDir temp_dir_;
-};
-
-TEST_F(SessionBackendTest, SimpleReadWrite) {
-  scoped_refptr<SessionBackend> backend(
-      new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE, path_));
-  struct TestData data = { 1,  "a" };
-  SessionCommands commands;
-  commands.push_back(CreateCommandFromData(data));
-  backend->AppendCommands(commands.Pass(), false);
-  ASSERT_TRUE(commands.empty());
-
-  // Read it back in.
-  backend = NULL;
-  backend = new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE,
-                               path_);
-  backend->ReadLastSessionCommandsImpl(&commands);
-
-  ASSERT_EQ(1U, commands.size());
-  AssertCommandEqualsData(data, commands[0]);
-
-  commands.clear();
-
-  backend = NULL;
-  backend = new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE,
-                               path_);
-  backend->ReadLastSessionCommandsImpl(&commands);
-
-  ASSERT_EQ(0U, commands.size());
-
-  // Make sure we can delete.
-  backend->DeleteLastSession();
-  backend->ReadLastSessionCommandsImpl(&commands);
-  ASSERT_EQ(0U, commands.size());
-}
-
-TEST_F(SessionBackendTest, RandomData) {
-  struct TestData data[] = {
-    { 1,  "a" },
-    { 2,  "ab" },
-    { 3,  "abc" },
-    { 4,  "abcd" },
-    { 5,  "abcde" },
-    { 6,  "abcdef" },
-    { 7,  "abcdefg" },
-    { 8,  "abcdefgh" },
-    { 9,  "abcdefghi" },
-    { 10, "abcdefghij" },
-    { 11, "abcdefghijk" },
-    { 12, "abcdefghijkl" },
-    { 13, "abcdefghijklm" },
-  };
-
-  for (size_t i = 0; i < arraysize(data); ++i) {
-    scoped_refptr<SessionBackend> backend(
-        new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE,
-                           path_));
-    SessionCommands commands;
-    if (i != 0) {
-      // Read previous data.
-      backend->ReadLastSessionCommandsImpl(&commands);
-      ASSERT_EQ(i, commands.size());
-      for (std::vector<sessions::SessionCommand*>::iterator j =
-              commands.begin(); j != commands.end(); ++j) {
-        AssertCommandEqualsData(data[j - commands.begin()], *j);
-      }
-      backend->AppendCommands(commands.Pass(), false);
-    }
-    commands.push_back(CreateCommandFromData(data[i]));
-    backend->AppendCommands(commands.Pass(), false);
-  }
-}
-
-TEST_F(SessionBackendTest, BigData) {
-  struct TestData data[] = {
-    { 1,  "a" },
-    { 2,  "ab" },
-  };
-
-  scoped_refptr<SessionBackend> backend(
-      new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE, path_));
-  ScopedVector<sessions::SessionCommand> commands;
-
-  commands.push_back(CreateCommandFromData(data[0]));
-  const sessions::SessionCommand::size_type big_size =
-      SessionBackend::kFileReadBufferSize + 100;
-  const sessions::SessionCommand::id_type big_id = 50;
-  sessions::SessionCommand* big_command =
-      new sessions::SessionCommand(big_id, big_size);
-  reinterpret_cast<char*>(big_command->contents())[0] = 'a';
-  reinterpret_cast<char*>(big_command->contents())[big_size - 1] = 'z';
-  commands.push_back(big_command);
-  commands.push_back(CreateCommandFromData(data[1]));
-  backend->AppendCommands(commands.Pass(), false);
-
-  backend = NULL;
-  backend = new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE,
-                               path_);
-
-  backend->ReadLastSessionCommandsImpl(&commands);
-  ASSERT_EQ(3U, commands.size());
-  AssertCommandEqualsData(data[0], commands[0]);
-  AssertCommandEqualsData(data[1], commands[2]);
-
-  EXPECT_EQ(big_id, commands[1]->id());
-  ASSERT_EQ(big_size, commands[1]->size());
-  EXPECT_EQ('a', reinterpret_cast<char*>(commands[1]->contents())[0]);
-  EXPECT_EQ('z',
-            reinterpret_cast<char*>(commands[1]->contents())[big_size - 1]);
-  commands.clear();
-}
-
-TEST_F(SessionBackendTest, EmptyCommand) {
-  TestData empty_command;
-  empty_command.command_id = 1;
-  scoped_refptr<SessionBackend> backend(
-      new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE, path_));
-  SessionCommands empty_commands;
-  empty_commands.push_back(CreateCommandFromData(empty_command));
-  backend->AppendCommands(empty_commands.Pass(), true);
-  backend->MoveCurrentSessionToLastSession();
-
-  SessionCommands commands;
-  backend->ReadLastSessionCommandsImpl(&commands);
-  ASSERT_EQ(1U, commands.size());
-  AssertCommandEqualsData(empty_command, commands[0]);
-  commands.clear();
-}
-
-// Writes a command, appends another command with reset to true, then reads
-// making sure we only get back the second command.
-TEST_F(SessionBackendTest, Truncate) {
-  scoped_refptr<SessionBackend> backend(
-      new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE, path_));
-  struct TestData first_data = { 1,  "a" };
-  SessionCommands commands;
-  commands.push_back(CreateCommandFromData(first_data));
-  backend->AppendCommands(commands.Pass(), false);
-
-  // Write another command, this time resetting the file when appending.
-  struct TestData second_data = { 2,  "b" };
-  commands.push_back(CreateCommandFromData(second_data));
-  backend->AppendCommands(commands.Pass(), true);
-
-  // Read it back in.
-  backend = NULL;
-  backend = new SessionBackend(sessions::BaseSessionService::SESSION_RESTORE,
-                               path_);
-  backend->ReadLastSessionCommandsImpl(&commands);
-
-  // And make sure we get back the expected data.
-  ASSERT_EQ(1U, commands.size());
-  AssertCommandEqualsData(second_data, commands[0]);
-
-  commands.clear();
-}
-
-}  // namespace sessions