blob: fcc0d14da23c935fa88fecc37e9aa9b34fce22b0 [file] [log] [blame]
// 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 <stdio.h>
#include <map>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/test/scoped_feature_list.h"
#include "net/disk_cache/cache_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace disk_cache {
class CacheUtilTest : public PlatformTest {
public:
void SetUp() override {
PlatformTest::SetUp();
ASSERT_TRUE(tmp_dir_.CreateUniqueTempDir());
cache_dir_ = tmp_dir_.GetPath().Append(FILE_PATH_LITERAL("Cache"));
file1_ = base::FilePath(cache_dir_.Append(FILE_PATH_LITERAL("file01")));
file2_ = base::FilePath(cache_dir_.Append(FILE_PATH_LITERAL(".file02")));
dir1_ = base::FilePath(cache_dir_.Append(FILE_PATH_LITERAL("dir01")));
file3_ = base::FilePath(dir1_.Append(FILE_PATH_LITERAL("file03")));
ASSERT_TRUE(base::CreateDirectory(cache_dir_));
FILE *fp = base::OpenFile(file1_, "w");
ASSERT_TRUE(fp != nullptr);
base::CloseFile(fp);
fp = base::OpenFile(file2_, "w");
ASSERT_TRUE(fp != nullptr);
base::CloseFile(fp);
ASSERT_TRUE(base::CreateDirectory(dir1_));
fp = base::OpenFile(file3_, "w");
ASSERT_TRUE(fp != nullptr);
base::CloseFile(fp);
dest_dir_ = tmp_dir_.GetPath().Append(FILE_PATH_LITERAL("old_Cache_001"));
dest_file1_ = base::FilePath(dest_dir_.Append(FILE_PATH_LITERAL("file01")));
dest_file2_ =
base::FilePath(dest_dir_.Append(FILE_PATH_LITERAL(".file02")));
dest_dir1_ = base::FilePath(dest_dir_.Append(FILE_PATH_LITERAL("dir01")));
}
protected:
base::ScopedTempDir tmp_dir_;
base::FilePath cache_dir_;
base::FilePath file1_;
base::FilePath file2_;
base::FilePath dir1_;
base::FilePath file3_;
base::FilePath dest_dir_;
base::FilePath dest_file1_;
base::FilePath dest_file2_;
base::FilePath dest_dir1_;
};
TEST_F(CacheUtilTest, MoveCache) {
EXPECT_TRUE(disk_cache::MoveCache(cache_dir_, dest_dir_));
EXPECT_TRUE(base::PathExists(dest_dir_));
EXPECT_TRUE(base::PathExists(dest_file1_));
EXPECT_TRUE(base::PathExists(dest_file2_));
EXPECT_TRUE(base::PathExists(dest_dir1_));
#if defined(OS_CHROMEOS)
EXPECT_TRUE(base::PathExists(cache_dir_)); // old cache dir stays
#else
EXPECT_FALSE(base::PathExists(cache_dir_)); // old cache is gone
#endif
EXPECT_FALSE(base::PathExists(file1_));
EXPECT_FALSE(base::PathExists(file2_));
EXPECT_FALSE(base::PathExists(dir1_));
}
TEST_F(CacheUtilTest, DeleteCache) {
disk_cache::DeleteCache(cache_dir_, false);
EXPECT_TRUE(base::PathExists(cache_dir_)); // cache dir stays
EXPECT_FALSE(base::PathExists(dir1_));
EXPECT_FALSE(base::PathExists(file1_));
EXPECT_FALSE(base::PathExists(file2_));
EXPECT_FALSE(base::PathExists(file3_));
}
TEST_F(CacheUtilTest, DeleteCacheAndDir) {
disk_cache::DeleteCache(cache_dir_, true);
EXPECT_FALSE(base::PathExists(cache_dir_)); // cache dir is gone
EXPECT_FALSE(base::PathExists(dir1_));
EXPECT_FALSE(base::PathExists(file1_));
EXPECT_FALSE(base::PathExists(file2_));
EXPECT_FALSE(base::PathExists(file3_));
}
TEST_F(CacheUtilTest, DeleteCacheFile) {
EXPECT_TRUE(disk_cache::DeleteCacheFile(file1_));
EXPECT_FALSE(base::PathExists(file1_));
EXPECT_TRUE(base::PathExists(cache_dir_)); // cache dir stays
EXPECT_TRUE(base::PathExists(dir1_));
EXPECT_TRUE(base::PathExists(file3_));
}
TEST_F(CacheUtilTest, PreferredCacheSize) {
const struct TestCase {
int64_t available;
int expected;
} kTestCases[] = {
// Weird negative value for available --- return the "default"
{-1000LL, 80 * 1024 * 1024},
{-1LL, 80 * 1024 * 1024},
// 0 produces 0.
{0LL, 0},
// Cache is 80% of available space, when default cache size is larger than
// 80% of available space..
{50 * 1024 * 1024LL, 40 * 1024 * 1024},
// Cache is default size, when default size is 10% to 80% of available
// space.
{100 * 1024 * 1024LL, 80 * 1024 * 1024},
{200 * 1024 * 1024LL, 80 * 1024 * 1024},
// Cache is 10% of available space if 2.5 * default size is more than 10%
// of available space.
{1000 * 1024 * 1024LL, 100 * 1024 * 1024},
{2000 * 1024 * 1024LL, 200 * 1024 * 1024},
// Cache is 2.5 * kDefaultCacheSize if 2.5 * kDefaultCacheSize uses from
// 1% to 10% of available space.
{10000 * 1024 * 1024LL, 200 * 1024 * 1024},
// Otherwise, cache is 1% of available space.
{20000 * 1024 * 1024LL, 200 * 1024 * 1024},
// Until it runs into the cache size cap.
{32000 * 1024 * 1024LL, 320 * 1024 * 1024},
{50000 * 1024 * 1024LL, 320 * 1024 * 1024},
};
for (const auto& test_case : kTestCases) {
EXPECT_EQ(test_case.expected, PreferredCacheSize(test_case.available))
<< test_case.available;
}
// Check that the cache size cap is 50% higher for native code caches.
EXPECT_EQ(((320 * 1024 * 1024) / 2) * 3,
PreferredCacheSize(50000 * 1024 * 1024LL,
net::GENERATED_NATIVE_CODE_CACHE));
}
} // namespace disk_cache