Populate storage_unittests target.

content/browser/fileapi/file_system_usage_cache_unittest.cc

-// Copyright 2014 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 "storage/browser/fileapi/file_system_usage_cache.h"
-
-#include <stdint.h>
-
-#include <limits>
-
-#include "base/files/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/macros.h"
-#include "base/message_loop/message_loop.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using storage::FileSystemUsageCache;
-
-namespace content {
-
-class FileSystemUsageCacheTest : public testing::Test {
- public:
-  FileSystemUsageCacheTest()
-      : usage_cache_(base::ThreadTaskRunnerHandle::Get().get()) {}
-
-  void SetUp() override { ASSERT_TRUE(data_dir_.CreateUniqueTempDir()); }
-
- protected:
-  base::FilePath GetUsageFilePath() {
-    return data_dir_.GetPath().Append(FileSystemUsageCache::kUsageFileName);
-  }
-
-  FileSystemUsageCache* usage_cache() {
-    return &usage_cache_;
-  }
-
- private:
-  base::MessageLoop message_loop_;
-  base::ScopedTempDir data_dir_;
-  FileSystemUsageCache usage_cache_;
-
-  DISALLOW_COPY_AND_ASSIGN(FileSystemUsageCacheTest);
-};
-
-TEST_F(FileSystemUsageCacheTest, CreateTest) {
-  base::FilePath usage_file_path = GetUsageFilePath();
-  EXPECT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 0));
-}
-
-TEST_F(FileSystemUsageCacheTest, SetSizeTest) {
-  static const int64_t size = 240122;
-  base::FilePath usage_file_path = GetUsageFilePath();
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(size, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, SetLargeSizeTest) {
-  static const int64_t size = std::numeric_limits<int64_t>::max();
-  base::FilePath usage_file_path = GetUsageFilePath();
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(size, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, IncAndGetSizeTest) {
-  base::FilePath usage_file_path = GetUsageFilePath();
-  uint32_t dirty = 0;
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 98214));
-  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
-  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
-  EXPECT_EQ(1u, dirty);
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(98214, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, DecAndGetSizeTest) {
-  static const int64_t size = 71839;
-  base::FilePath usage_file_path = GetUsageFilePath();
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
-  // DecrementDirty for dirty = 0 is invalid. It returns false.
-  ASSERT_FALSE(usage_cache()->DecrementDirty(usage_file_path));
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(size, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, IncDecAndGetSizeTest) {
-  static const int64_t size = 198491;
-  base::FilePath usage_file_path = GetUsageFilePath();
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
-  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
-  ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(size, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, DecIncAndGetSizeTest) {
-  base::FilePath usage_file_path = GetUsageFilePath();
-  uint32_t dirty = 0;
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 854238));
-  // DecrementDirty for dirty = 0 is invalid. It returns false.
-  ASSERT_FALSE(usage_cache()->DecrementDirty(usage_file_path));
-  ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
-  // It tests DecrementDirty (which returns false) has no effect, i.e
-  // does not make dirty = -1 after DecrementDirty.
-  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
-  EXPECT_EQ(1u, dirty);
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(854238, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, ManyIncsSameDecsAndGetSizeTest) {
-  static const int64_t size = 82412;
-  base::FilePath usage_file_path = GetUsageFilePath();
-  int64_t usage = 0;
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, size));
-  for (int i = 0; i < 20; i++)
-    ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
-  for (int i = 0; i < 20; i++)
-    ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(size, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, ManyIncsLessDecsAndGetSizeTest) {
-  uint32_t dirty = 0;
-  int64_t usage = 0;
-  base::FilePath usage_file_path = GetUsageFilePath();
-  ASSERT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 19319));
-  for (int i = 0; i < 20; i++)
-    ASSERT_TRUE(usage_cache()->IncrementDirty(usage_file_path));
-  for (int i = 0; i < 19; i++)
-    ASSERT_TRUE(usage_cache()->DecrementDirty(usage_file_path));
-  EXPECT_TRUE(usage_cache()->GetDirty(usage_file_path, &dirty));
-  EXPECT_EQ(1u, dirty);
-  EXPECT_TRUE(usage_cache()->GetUsage(usage_file_path, &usage));
-  EXPECT_EQ(19319, usage);
-}
-
-TEST_F(FileSystemUsageCacheTest, GetSizeWithoutCacheFileTest) {
-  int64_t usage = 0;
-  base::FilePath usage_file_path = GetUsageFilePath();
-  EXPECT_FALSE(usage_cache()->GetUsage(usage_file_path, &usage));
-}
-
-TEST_F(FileSystemUsageCacheTest, IncrementDirtyWithoutCacheFileTest) {
-  base::FilePath usage_file_path = GetUsageFilePath();
-  EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
-}
-
-TEST_F(FileSystemUsageCacheTest, DecrementDirtyWithoutCacheFileTest) {
-  base::FilePath usage_file_path = GetUsageFilePath();
-  EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
-}
-
-}  // namespace content