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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "storage/browser/file_system/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/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace storage {
class FileSystemUsageCacheTest : public testing::Test,
public ::testing::WithParamInterface<bool> {
public:
FileSystemUsageCacheTest() : usage_cache_(is_incognito()) {}
FileSystemUsageCacheTest(const FileSystemUsageCacheTest&) = delete;
FileSystemUsageCacheTest& operator=(const FileSystemUsageCacheTest&) = delete;
void SetUp() override { ASSERT_TRUE(data_dir_.CreateUniqueTempDir()); }
bool is_incognito() { return GetParam(); }
protected:
base::FilePath GetUsageFilePath() {
return data_dir_.GetPath().Append(FileSystemUsageCache::kUsageFileName);
}
FileSystemUsageCache* usage_cache() { return &usage_cache_; }
private:
base::test::SingleThreadTaskEnvironment task_environment_;
base::ScopedTempDir data_dir_;
FileSystemUsageCache usage_cache_;
};
INSTANTIATE_TEST_SUITE_P(All, FileSystemUsageCacheTest, testing::Bool());
TEST_P(FileSystemUsageCacheTest, CreateTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_TRUE(usage_cache()->UpdateUsage(usage_file_path, 0));
}
TEST_P(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_P(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_P(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_P(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_P(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_P(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_P(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_P(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_P(FileSystemUsageCacheTest, GetSizeWithoutCacheFileTest) {
int64_t usage = 0;
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_FALSE(usage_cache()->GetUsage(usage_file_path, &usage));
}
TEST_P(FileSystemUsageCacheTest, IncrementDirtyWithoutCacheFileTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
}
TEST_P(FileSystemUsageCacheTest, DecrementDirtyWithoutCacheFileTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_FALSE(usage_cache()->IncrementDirty(usage_file_path));
}
} // namespace storage
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