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// Copyright (c) 2012 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 "webkit/fileapi/file_system_usage_cache.h"
#include "base/basictypes.h"
#include "base/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace fileapi {
class FileSystemUsageCacheTest : public testing::Test {
public:
FileSystemUsageCacheTest() {}
virtual void SetUp() {
ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
}
protected:
base::FilePath GetUsageFilePath() {
return data_dir_.path().Append(FileSystemUsageCache::kUsageFileName);
}
private:
base::ScopedTempDir data_dir_;
DISALLOW_COPY_AND_ASSIGN(FileSystemUsageCacheTest);
};
TEST_F(FileSystemUsageCacheTest, CreateTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, 0));
}
TEST_F(FileSystemUsageCacheTest, SetSizeTest) {
static const int64 size = 240122;
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, size));
EXPECT_EQ(size, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, SetLargeSizeTest) {
static const int64 size = kint64max;
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, size));
EXPECT_EQ(size, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, IncAndGetSizeTest) {
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, 98214));
ASSERT_TRUE(FileSystemUsageCache::IncrementDirty(usage_file_path));
EXPECT_EQ(1, FileSystemUsageCache::GetDirty(usage_file_path));
EXPECT_EQ(98214, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, DecAndGetSizeTest) {
static const int64 size = 71839;
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, size));
// DecrementDirty for dirty = 0 is invalid. It returns false.
ASSERT_FALSE(FileSystemUsageCache::DecrementDirty(usage_file_path));
EXPECT_EQ(size, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, IncDecAndGetSizeTest) {
static const int64 size = 198491;
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, size));
ASSERT_TRUE(FileSystemUsageCache::IncrementDirty(usage_file_path));
ASSERT_TRUE(FileSystemUsageCache::DecrementDirty(usage_file_path));
EXPECT_EQ(size, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, DecIncAndGetSizeTest) {
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, 854238));
// DecrementDirty for dirty = 0 is invalid. It returns false.
ASSERT_FALSE(FileSystemUsageCache::DecrementDirty(usage_file_path));
ASSERT_TRUE(FileSystemUsageCache::IncrementDirty(usage_file_path));
// It tests DecrementDirty (which returns false) has no effect, i.e
// does not make dirty = -1 after DecrementDirty.
EXPECT_EQ(1, FileSystemUsageCache::GetDirty(usage_file_path));
EXPECT_EQ(854238, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, ManyIncsSameDecsAndGetSizeTest) {
static const int64 size = 82412;
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, size));
for (int i = 0; i < 20; i++)
ASSERT_TRUE(FileSystemUsageCache::IncrementDirty(usage_file_path));
for (int i = 0; i < 20; i++)
ASSERT_TRUE(FileSystemUsageCache::DecrementDirty(usage_file_path));
EXPECT_EQ(size, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, ManyIncsLessDecsAndGetSizeTest) {
base::FilePath usage_file_path = GetUsageFilePath();
ASSERT_EQ(FileSystemUsageCache::kUsageFileSize,
FileSystemUsageCache::UpdateUsage(usage_file_path, 19319));
for (int i = 0; i < 20; i++)
ASSERT_TRUE(FileSystemUsageCache::IncrementDirty(usage_file_path));
for (int i = 0; i < 19; i++)
ASSERT_TRUE(FileSystemUsageCache::DecrementDirty(usage_file_path));
EXPECT_EQ(1, FileSystemUsageCache::GetDirty(usage_file_path));
EXPECT_EQ(19319, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, GetSizeWithoutCacheFileTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_EQ(-1, FileSystemUsageCache::GetUsage(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, IncrementDirtyWithoutCacheFileTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_FALSE(FileSystemUsageCache::IncrementDirty(usage_file_path));
}
TEST_F(FileSystemUsageCacheTest, DecrementDirtyWithoutCacheFileTest) {
base::FilePath usage_file_path = GetUsageFilePath();
EXPECT_FALSE(FileSystemUsageCache::IncrementDirty(usage_file_path));
}
} // namespace fileapi
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