| // 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 "base/bind_helpers.h" |
| #include "base/files/file.h" |
| #include "base/files/file_util.h" |
| #include "base/memory/memory_pressure_listener.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/run_loop.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/task/post_task.h" |
| #include "base/test/metrics/histogram_tester.h" |
| #include "base/test/mock_entropy_provider.h" |
| #include "base/test/scoped_feature_list.h" |
| #include "base/third_party/dynamic_annotations/dynamic_annotations.h" |
| #include "base/threading/platform_thread.h" |
| #include "base/threading/thread_restrictions.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/trace_event/memory_allocator_dump.h" |
| #include "base/trace_event/process_memory_dump.h" |
| #include "base/trace_event/trace_event_argument.h" |
| #include "build/build_config.h" |
| #include "net/base/cache_type.h" |
| #include "net/base/completion_once_callback.h" |
| #include "net/base/io_buffer.h" |
| #include "net/base/net_errors.h" |
| #include "net/base/request_priority.h" |
| #include "net/base/test_completion_callback.h" |
| #include "net/disk_cache/backend_cleanup_tracker.h" |
| #include "net/disk_cache/blockfile/backend_impl.h" |
| #include "net/disk_cache/blockfile/entry_impl.h" |
| #include "net/disk_cache/blockfile/experiments.h" |
| #include "net/disk_cache/blockfile/histogram_macros.h" |
| #include "net/disk_cache/blockfile/mapped_file.h" |
| #include "net/disk_cache/cache_util.h" |
| #include "net/disk_cache/disk_cache_test_base.h" |
| #include "net/disk_cache/disk_cache_test_util.h" |
| #include "net/disk_cache/memory/mem_backend_impl.h" |
| #include "net/disk_cache/simple/simple_backend_impl.h" |
| #include "net/disk_cache/simple/simple_entry_format.h" |
| #include "net/disk_cache/simple/simple_histogram_enums.h" |
| #include "net/disk_cache/simple/simple_index.h" |
| #include "net/disk_cache/simple/simple_synchronous_entry.h" |
| #include "net/disk_cache/simple/simple_test_util.h" |
| #include "net/disk_cache/simple/simple_util.h" |
| #include "net/test/gtest_util.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using net::test::IsError; |
| using net::test::IsOk; |
| using testing::Contains; |
| using testing::Eq; |
| using testing::Field; |
| using testing::Contains; |
| using testing::ByRef; |
| |
| #if defined(OS_WIN) |
| #include "base/win/scoped_handle.h" |
| #include "starboard/memory.h" |
| #include "starboard/types.h" |
| #endif |
| |
| // Provide a BackendImpl object to macros from histogram_macros.h. |
| #define CACHE_UMA_BACKEND_IMPL_OBJ backend_ |
| |
| using base::Time; |
| |
| namespace { |
| |
| const char kExistingEntryKey[] = "existing entry key"; |
| |
| std::unique_ptr<disk_cache::BackendImpl> CreateExistingEntryCache( |
| const base::FilePath& cache_path) { |
| net::TestCompletionCallback cb; |
| |
| std::unique_ptr<disk_cache::BackendImpl> cache( |
| std::make_unique<disk_cache::BackendImpl>(cache_path, |
| /* cleanup_tracker = */ nullptr, |
| /* cache_thread = */ nullptr, |
| /* net_log = */ nullptr)); |
| int rv = cache->Init(cb.callback()); |
| if (cb.GetResult(rv) != net::OK) |
| return std::unique_ptr<disk_cache::BackendImpl>(); |
| |
| disk_cache::Entry* entry = NULL; |
| rv = cache->CreateEntry(kExistingEntryKey, net::HIGHEST, &entry, |
| cb.callback()); |
| if (cb.GetResult(rv) != net::OK) |
| return std::unique_ptr<disk_cache::BackendImpl>(); |
| entry->Close(); |
| |
| return cache; |
| } |
| |
| #if defined(OS_FUCHSIA) |
| // Load tests with large numbers of file descriptors perform poorly on |
| // virtualized test execution environments. |
| // TODO(807882): Remove this workaround when virtualized test performance |
| // improves. |
| const int kLargeNumEntries = 100; |
| #else |
| const int kLargeNumEntries = 512; |
| #endif |
| |
| } // namespace |
| |
| // Tests that can run with different types of caches. |
| class DiskCacheBackendTest : public DiskCacheTestWithCache { |
| protected: |
| // Some utility methods: |
| |
| // Perform IO operations on the cache until there is pending IO. |
| int GeneratePendingIO(net::TestCompletionCallback* cb); |
| |
| // Adds 5 sparse entries. |doomed_start| and |doomed_end| if not NULL, |
| // will be filled with times, used by DoomEntriesSince and DoomEntriesBetween. |
| // There are 4 entries after doomed_start and 2 after doomed_end. |
| void InitSparseCache(base::Time* doomed_start, base::Time* doomed_end); |
| |
| bool CreateSetOfRandomEntries(std::set<std::string>* key_pool); |
| bool EnumerateAndMatchKeys(int max_to_open, |
| TestIterator* iter, |
| std::set<std::string>* keys_to_match, |
| size_t* count); |
| |
| // Computes the expected size of entry metadata, i.e. the total size without |
| // the actual data stored. This depends only on the entry's |key| size. |
| int GetEntryMetadataSize(std::string key); |
| |
| // The Simple Backend only tracks the approximate sizes of entries. This |
| // rounds the exact size appropriately. |
| int GetRoundedSize(int exact_size); |
| |
| // Actual tests: |
| void BackendBasics(); |
| void BackendKeying(); |
| void BackendShutdownWithPendingFileIO(bool fast); |
| void BackendShutdownWithPendingIO(bool fast); |
| void BackendShutdownWithPendingCreate(bool fast); |
| void BackendShutdownWithPendingDoom(); |
| void BackendSetSize(); |
| void BackendLoad(); |
| void BackendChain(); |
| void BackendValidEntry(); |
| void BackendInvalidEntry(); |
| void BackendInvalidEntryRead(); |
| void BackendInvalidEntryWithLoad(); |
| void BackendTrimInvalidEntry(); |
| void BackendTrimInvalidEntry2(); |
| void BackendEnumerations(); |
| void BackendEnumerations2(); |
| void BackendDoomMidEnumeration(); |
| void BackendInvalidEntryEnumeration(); |
| void BackendFixEnumerators(); |
| void BackendDoomRecent(); |
| void BackendDoomBetween(); |
| void BackendCalculateSizeOfAllEntries(); |
| void BackendCalculateSizeOfEntriesBetween(); |
| void BackendTransaction(const std::string& name, int num_entries, bool load); |
| void BackendRecoverInsert(); |
| void BackendRecoverRemove(); |
| void BackendRecoverWithEviction(); |
| void BackendInvalidEntry2(); |
| void BackendInvalidEntry3(); |
| void BackendInvalidEntry7(); |
| void BackendInvalidEntry8(); |
| void BackendInvalidEntry9(bool eviction); |
| void BackendInvalidEntry10(bool eviction); |
| void BackendInvalidEntry11(bool eviction); |
| void BackendTrimInvalidEntry12(); |
| void BackendDoomAll(); |
| void BackendDoomAll2(); |
| void BackendInvalidRankings(); |
| void BackendInvalidRankings2(); |
| void BackendDisable(); |
| void BackendDisable2(); |
| void BackendDisable3(); |
| void BackendDisable4(); |
| void BackendDisabledAPI(); |
| |
| void BackendEviction(); |
| }; |
| |
| int DiskCacheBackendTest::GeneratePendingIO(net::TestCompletionCallback* cb) { |
| if (!use_current_thread_ && !simple_cache_mode_) { |
| ADD_FAILURE(); |
| return net::ERR_FAILED; |
| } |
| |
| disk_cache::Entry* entry; |
| int rv = |
| cache_->CreateEntry("some key", net::HIGHEST, &entry, cb->callback()); |
| if (cb->GetResult(rv) != net::OK) |
| return net::ERR_CACHE_CREATE_FAILURE; |
| |
| const int kSize = 25000; |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| CacheTestFillBuffer(buffer->data(), kSize, false); |
| |
| for (int i = 0; i < 10 * 1024 * 1024; i += 64 * 1024) { |
| // We are using the current thread as the cache thread because we want to |
| // be able to call directly this method to make sure that the OS (instead |
| // of us switching thread) is returning IO pending. |
| if (!simple_cache_mode_) { |
| rv = static_cast<disk_cache::EntryImpl*>(entry)->WriteDataImpl( |
| 0, i, buffer.get(), kSize, cb->callback(), false); |
| } else { |
| rv = entry->WriteData(0, i, buffer.get(), kSize, cb->callback(), false); |
| } |
| |
| if (rv == net::ERR_IO_PENDING) |
| break; |
| if (rv != kSize) |
| rv = net::ERR_FAILED; |
| } |
| |
| // Don't call Close() to avoid going through the queue or we'll deadlock |
| // waiting for the operation to finish. |
| if (!simple_cache_mode_) |
| static_cast<disk_cache::EntryImpl*>(entry)->Release(); |
| else |
| entry->Close(); |
| |
| return rv; |
| } |
| |
| void DiskCacheBackendTest::InitSparseCache(base::Time* doomed_start, |
| base::Time* doomed_end) { |
| InitCache(); |
| |
| const int kSize = 50; |
| // This must be greater than MemEntryImpl::kMaxSparseEntrySize. |
| const int kOffset = 10 + 1024 * 1024; |
| |
| disk_cache::Entry* entry0 = NULL; |
| disk_cache::Entry* entry1 = NULL; |
| disk_cache::Entry* entry2 = NULL; |
| |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| CacheTestFillBuffer(buffer->data(), kSize, false); |
| |
| ASSERT_THAT(CreateEntry("zeroth", &entry0), IsOk()); |
| ASSERT_EQ(kSize, WriteSparseData(entry0, 0, buffer.get(), kSize)); |
| ASSERT_EQ(kSize, |
| WriteSparseData(entry0, kOffset + kSize, buffer.get(), kSize)); |
| entry0->Close(); |
| |
| FlushQueueForTest(); |
| AddDelay(); |
| if (doomed_start) |
| *doomed_start = base::Time::Now(); |
| |
| // Order in rankings list: |
| // first_part1, first_part2, second_part1, second_part2 |
| ASSERT_THAT(CreateEntry("first", &entry1), IsOk()); |
| ASSERT_EQ(kSize, WriteSparseData(entry1, 0, buffer.get(), kSize)); |
| ASSERT_EQ(kSize, |
| WriteSparseData(entry1, kOffset + kSize, buffer.get(), kSize)); |
| entry1->Close(); |
| |
| ASSERT_THAT(CreateEntry("second", &entry2), IsOk()); |
| ASSERT_EQ(kSize, WriteSparseData(entry2, 0, buffer.get(), kSize)); |
| ASSERT_EQ(kSize, |
| WriteSparseData(entry2, kOffset + kSize, buffer.get(), kSize)); |
| entry2->Close(); |
| |
| FlushQueueForTest(); |
| AddDelay(); |
| if (doomed_end) |
| *doomed_end = base::Time::Now(); |
| |
| // Order in rankings list: |
| // third_part1, fourth_part1, third_part2, fourth_part2 |
| disk_cache::Entry* entry3 = NULL; |
| disk_cache::Entry* entry4 = NULL; |
| ASSERT_THAT(CreateEntry("third", &entry3), IsOk()); |
| ASSERT_EQ(kSize, WriteSparseData(entry3, 0, buffer.get(), kSize)); |
| ASSERT_THAT(CreateEntry("fourth", &entry4), IsOk()); |
| ASSERT_EQ(kSize, WriteSparseData(entry4, 0, buffer.get(), kSize)); |
| ASSERT_EQ(kSize, |
| WriteSparseData(entry3, kOffset + kSize, buffer.get(), kSize)); |
| ASSERT_EQ(kSize, |
| WriteSparseData(entry4, kOffset + kSize, buffer.get(), kSize)); |
| entry3->Close(); |
| entry4->Close(); |
| |
| FlushQueueForTest(); |
| AddDelay(); |
| } |
| |
| // Creates entries based on random keys. Stores these keys in |key_pool|. |
| bool DiskCacheBackendTest::CreateSetOfRandomEntries( |
| std::set<std::string>* key_pool) { |
| const int kNumEntries = 10; |
| const int initial_entry_count = cache_->GetEntryCount(); |
| |
| for (int i = 0; i < kNumEntries; ++i) { |
| std::string key = GenerateKey(true); |
| disk_cache::Entry* entry; |
| if (CreateEntry(key, &entry) != net::OK) { |
| return false; |
| } |
| key_pool->insert(key); |
| entry->Close(); |
| } |
| return key_pool->size() == |
| static_cast<size_t>(cache_->GetEntryCount() - initial_entry_count); |
| } |
| |
| // Performs iteration over the backend and checks that the keys of entries |
| // opened are in |keys_to_match|, then erases them. Up to |max_to_open| entries |
| // will be opened, if it is positive. Otherwise, iteration will continue until |
| // OpenNextEntry stops returning net::OK. |
| bool DiskCacheBackendTest::EnumerateAndMatchKeys( |
| int max_to_open, |
| TestIterator* iter, |
| std::set<std::string>* keys_to_match, |
| size_t* count) { |
| disk_cache::Entry* entry; |
| |
| if (!iter) |
| return false; |
| while (iter->OpenNextEntry(&entry) == net::OK) { |
| if (!entry) |
| return false; |
| EXPECT_EQ(1U, keys_to_match->erase(entry->GetKey())); |
| entry->Close(); |
| ++(*count); |
| if (max_to_open >= 0 && static_cast<int>(*count) >= max_to_open) |
| break; |
| }; |
| |
| return true; |
| } |
| |
| int DiskCacheBackendTest::GetEntryMetadataSize(std::string key) { |
| // For blockfile and memory backends, it is just the key size. |
| if (!simple_cache_mode_) |
| return key.size(); |
| |
| // For the simple cache, we must add the file header and EOF, and that for |
| // every stream. |
| return disk_cache::kSimpleEntryStreamCount * |
| (sizeof(disk_cache::SimpleFileHeader) + |
| sizeof(disk_cache::SimpleFileEOF) + key.size()); |
| } |
| |
| int DiskCacheBackendTest::GetRoundedSize(int exact_size) { |
| if (!simple_cache_mode_) |
| return exact_size; |
| |
| return (exact_size + 255) & 0xFFFFFF00; |
| } |
| |
| void DiskCacheBackendTest::BackendBasics() { |
| InitCache(); |
| disk_cache::Entry *entry1 = NULL, *entry2 = NULL; |
| EXPECT_NE(net::OK, OpenEntry("the first key", &entry1)); |
| ASSERT_THAT(CreateEntry("the first key", &entry1), IsOk()); |
| ASSERT_TRUE(NULL != entry1); |
| entry1->Close(); |
| entry1 = NULL; |
| |
| ASSERT_THAT(OpenEntry("the first key", &entry1), IsOk()); |
| ASSERT_TRUE(NULL != entry1); |
| entry1->Close(); |
| entry1 = NULL; |
| |
| EXPECT_NE(net::OK, CreateEntry("the first key", &entry1)); |
| ASSERT_THAT(OpenEntry("the first key", &entry1), IsOk()); |
| EXPECT_NE(net::OK, OpenEntry("some other key", &entry2)); |
| ASSERT_THAT(CreateEntry("some other key", &entry2), IsOk()); |
| ASSERT_TRUE(NULL != entry1); |
| ASSERT_TRUE(NULL != entry2); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| |
| disk_cache::Entry* entry3 = NULL; |
| ASSERT_THAT(OpenEntry("some other key", &entry3), IsOk()); |
| ASSERT_TRUE(NULL != entry3); |
| EXPECT_TRUE(entry2 == entry3); |
| |
| EXPECT_THAT(DoomEntry("some other key"), IsOk()); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| entry1->Close(); |
| entry2->Close(); |
| entry3->Close(); |
| |
| EXPECT_THAT(DoomEntry("the first key"), IsOk()); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| |
| ASSERT_THAT(CreateEntry("the first key", &entry1), IsOk()); |
| ASSERT_THAT(CreateEntry("some other key", &entry2), IsOk()); |
| entry1->Doom(); |
| entry1->Close(); |
| EXPECT_THAT(DoomEntry("some other key"), IsOk()); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| entry2->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, Basics) { |
| BackendBasics(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionBasics) { |
| SetNewEviction(); |
| BackendBasics(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyBasics) { |
| SetMemoryOnlyMode(); |
| BackendBasics(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheBasics) { |
| SetCacheType(net::APP_CACHE); |
| BackendBasics(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheBasics) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendBasics(); |
| } |
| |
| void DiskCacheBackendTest::BackendKeying() { |
| InitCache(); |
| const char kName1[] = "the first key"; |
| const char kName2[] = "the first Key"; |
| disk_cache::Entry *entry1, *entry2; |
| ASSERT_THAT(CreateEntry(kName1, &entry1), IsOk()); |
| |
| ASSERT_THAT(CreateEntry(kName2, &entry2), IsOk()); |
| EXPECT_TRUE(entry1 != entry2) << "Case sensitive"; |
| entry2->Close(); |
| |
| char buffer[30]; |
| base::strlcpy(buffer, kName1, arraysize(buffer)); |
| ASSERT_THAT(OpenEntry(buffer, &entry2), IsOk()); |
| EXPECT_TRUE(entry1 == entry2); |
| entry2->Close(); |
| |
| base::strlcpy(buffer + 1, kName1, arraysize(buffer) - 1); |
| ASSERT_THAT(OpenEntry(buffer + 1, &entry2), IsOk()); |
| EXPECT_TRUE(entry1 == entry2); |
| entry2->Close(); |
| |
| base::strlcpy(buffer + 3, kName1, arraysize(buffer) - 3); |
| ASSERT_THAT(OpenEntry(buffer + 3, &entry2), IsOk()); |
| EXPECT_TRUE(entry1 == entry2); |
| entry2->Close(); |
| |
| // Now verify long keys. |
| char buffer2[20000]; |
| memset(buffer2, 's', sizeof(buffer2)); |
| buffer2[1023] = '\0'; |
| ASSERT_EQ(net::OK, CreateEntry(buffer2, &entry2)) << "key on block file"; |
| entry2->Close(); |
| |
| buffer2[1023] = 'g'; |
| buffer2[19999] = '\0'; |
| ASSERT_EQ(net::OK, CreateEntry(buffer2, &entry2)) << "key on external file"; |
| entry2->Close(); |
| entry1->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, Keying) { |
| BackendKeying(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionKeying) { |
| SetNewEviction(); |
| BackendKeying(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyKeying) { |
| SetMemoryOnlyMode(); |
| BackendKeying(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheKeying) { |
| SetCacheType(net::APP_CACHE); |
| BackendKeying(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheKeying) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendKeying(); |
| } |
| |
| TEST_F(DiskCacheTest, CreateBackend) { |
| net::TestCompletionCallback cb; |
| |
| { |
| ASSERT_TRUE(CleanupCacheDir()); |
| |
| // Test the private factory method(s). |
| std::unique_ptr<disk_cache::Backend> cache; |
| cache = disk_cache::MemBackendImpl::CreateBackend(0, NULL); |
| ASSERT_TRUE(cache.get()); |
| cache.reset(); |
| |
| // Now test the public API. |
| int rv = disk_cache::CreateCacheBackend( |
| net::DISK_CACHE, net::CACHE_BACKEND_DEFAULT, cache_path_, 0, false, |
| NULL, &cache, cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| ASSERT_TRUE(cache.get()); |
| cache.reset(); |
| |
| rv = disk_cache::CreateCacheBackend( |
| net::MEMORY_CACHE, net::CACHE_BACKEND_DEFAULT, base::FilePath(), 0, |
| false, NULL, &cache, cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| ASSERT_TRUE(cache.get()); |
| cache.reset(); |
| } |
| |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(DiskCacheTest, MemBackendPostCleanupCallback) { |
| net::TestCompletionCallback cb; |
| |
| net::TestClosure on_cleanup; |
| |
| std::unique_ptr<disk_cache::Backend> cache; |
| int rv = disk_cache::CreateCacheBackend( |
| net::MEMORY_CACHE, net::CACHE_BACKEND_DEFAULT, base::FilePath(), 0, false, |
| nullptr, &cache, on_cleanup.closure(), cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| ASSERT_TRUE(cache.get()); |
| // The callback should be posted after backend is destroyed. |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_FALSE(on_cleanup.have_result()); |
| |
| cache.reset(); |
| |
| EXPECT_FALSE(on_cleanup.have_result()); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(on_cleanup.have_result()); |
| } |
| |
| TEST_F(DiskCacheTest, CreateBackendDouble) { |
| // Make sure that creation for the second backend for same path happens |
| // after the first one completes. |
| net::TestCompletionCallback cb, cb2; |
| |
| std::unique_ptr<disk_cache::Backend> cache, cache2; |
| |
| int rv = disk_cache::CreateCacheBackend( |
| net::APP_CACHE, net::CACHE_BACKEND_DEFAULT, cache_path_, 0, false, |
| nullptr, &cache, cb.callback()); |
| |
| int rv2 = disk_cache::CreateCacheBackend( |
| net::APP_CACHE, net::CACHE_BACKEND_DEFAULT, cache_path_, 0, false, |
| nullptr, &cache2, cb2.callback()); |
| |
| EXPECT_THAT(cb.GetResult(rv), IsOk()); |
| EXPECT_TRUE(cache.get()); |
| disk_cache::FlushCacheThreadForTesting(); |
| |
| // No cache 2 yet. |
| EXPECT_EQ(net::ERR_IO_PENDING, rv2); |
| EXPECT_FALSE(cb2.have_result()); |
| |
| cache.reset(); |
| |
| // Now cache2 should exist. |
| EXPECT_THAT(cb2.GetResult(rv2), IsOk()); |
| EXPECT_TRUE(cache2.get()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, CreateBackendDoubleOpenEntry) { |
| // Demonstrate the creation sequencing with an open entry. This is done |
| // with SimpleCache since the block-file cache cancels most of I/O on |
| // destruction and blocks for what it can't cancel. |
| |
| // Don't try to sanity-check things as a blockfile cache |
| SetSimpleCacheMode(); |
| |
| // Make sure that creation for the second backend for same path happens |
| // after the first one completes, and all of its ops complete. |
| net::TestCompletionCallback cb, cb2; |
| |
| std::unique_ptr<disk_cache::Backend> cache, cache2; |
| |
| int rv = disk_cache::CreateCacheBackend( |
| net::APP_CACHE, net::CACHE_BACKEND_SIMPLE, cache_path_, 0, false, nullptr, |
| &cache, cb.callback()); |
| |
| int rv2 = disk_cache::CreateCacheBackend( |
| net::APP_CACHE, net::CACHE_BACKEND_SIMPLE, cache_path_, 0, false, nullptr, |
| &cache2, cb2.callback()); |
| |
| EXPECT_THAT(cb.GetResult(rv), IsOk()); |
| ASSERT_TRUE(cache.get()); |
| disk_cache::FlushCacheThreadForTesting(); |
| |
| // No cache 2 yet. |
| EXPECT_EQ(net::ERR_IO_PENDING, rv2); |
| EXPECT_FALSE(cb2.have_result()); |
| |
| disk_cache::Entry* entry = nullptr; |
| rv = cache->CreateEntry("key", net::HIGHEST, &entry, cb.callback()); |
| ASSERT_EQ(net::OK, cb.GetResult(rv)); |
| |
| cache.reset(); |
| |
| // Still doesn't exist. |
| EXPECT_FALSE(cb2.have_result()); |
| |
| entry->Close(); |
| |
| // Now should exist. |
| EXPECT_THAT(cb2.GetResult(rv2), IsOk()); |
| EXPECT_TRUE(cache2.get()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, CreateBackendPostCleanup) { |
| // Test for the explicit PostCleanupCallback parameter to CreateCacheBackend. |
| |
| // Extravagant size payload to make reproducing races easier. |
| const int kBufSize = 256 * 1024; |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kBufSize); |
| CacheTestFillBuffer(buffer->data(), kBufSize, true); |
| |
| SetSimpleCacheMode(); |
| CleanupCacheDir(); |
| |
| base::RunLoop run_loop; |
| net::TestCompletionCallback cb; |
| std::unique_ptr<disk_cache::Backend> cache; |
| |
| int rv = disk_cache::CreateCacheBackend( |
| net::APP_CACHE, net::CACHE_BACKEND_SIMPLE, cache_path_, 0, false, nullptr, |
| &cache, run_loop.QuitClosure(), cb.callback()); |
| EXPECT_THAT(cb.GetResult(rv), IsOk()); |
| ASSERT_TRUE(cache.get()); |
| |
| disk_cache::Entry* entry = nullptr; |
| rv = cache->CreateEntry("key", net::HIGHEST, &entry, cb.callback()); |
| ASSERT_EQ(net::OK, cb.GetResult(rv)); |
| EXPECT_EQ(kBufSize, WriteData(entry, 0, 0, buffer.get(), kBufSize, false)); |
| entry->Close(); |
| |
| cache.reset(); |
| |
| // Wait till the post-cleanup callback. |
| run_loop.Run(); |
| |
| // All of the payload should be on disk, despite stream 0 being written |
| // back in the async Close() |
| base::FilePath entry_path = cache_path_.AppendASCII( |
| disk_cache::simple_util::GetFilenameFromKeyAndFileIndex("key", 0)); |
| int64_t size = 0; |
| EXPECT_TRUE(base::GetFileSize(entry_path, &size)); |
| EXPECT_GT(size, kBufSize); |
| } |
| |
| // Tests that |BackendImpl| fails to initialize with a missing file. |
| TEST_F(DiskCacheBackendTest, CreateBackend_MissingFile) { |
| ASSERT_TRUE(CopyTestCache("bad_entry")); |
| base::FilePath filename = cache_path_.AppendASCII("data_1"); |
| base::DeleteFile(filename, false); |
| net::TestCompletionCallback cb; |
| |
| bool prev = base::ThreadRestrictions::SetIOAllowed(false); |
| std::unique_ptr<disk_cache::BackendImpl> cache( |
| std::make_unique<disk_cache::BackendImpl>(cache_path_, nullptr, nullptr, |
| nullptr)); |
| int rv = cache->Init(cb.callback()); |
| EXPECT_THAT(cb.GetResult(rv), IsError(net::ERR_FAILED)); |
| base::ThreadRestrictions::SetIOAllowed(prev); |
| |
| cache.reset(); |
| DisableIntegrityCheck(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemCacheMemoryDump) { |
| SetMemoryOnlyMode(); |
| BackendBasics(); |
| base::trace_event::MemoryDumpArgs args = { |
| base::trace_event::MemoryDumpLevelOfDetail::BACKGROUND}; |
| base::trace_event::ProcessMemoryDump pmd(args); |
| base::trace_event::MemoryAllocatorDump* parent = |
| pmd.CreateAllocatorDump("net/url_request_context/main/0x123/http_cache"); |
| |
| ASSERT_LT(0u, cache_->DumpMemoryStats(&pmd, parent->absolute_name())); |
| EXPECT_EQ(2u, pmd.allocator_dumps().size()); |
| const base::trace_event::MemoryAllocatorDump* sub_dump = |
| pmd.GetAllocatorDump(parent->absolute_name() + "/memory_backend"); |
| ASSERT_NE(nullptr, sub_dump); |
| |
| using MADEntry = base::trace_event::MemoryAllocatorDump::Entry; |
| const std::vector<MADEntry>& entries = sub_dump->entries(); |
| ASSERT_THAT( |
| entries, |
| Contains(Field(&MADEntry::name, |
| Eq(base::trace_event::MemoryAllocatorDump::kNameSize)))); |
| ASSERT_THAT(entries, |
| Contains(Field(&MADEntry::name, Eq("mem_backend_max_size")))); |
| ASSERT_THAT(entries, |
| Contains(Field(&MADEntry::name, Eq("mem_backend_size")))); |
| } |
| |
| TEST_F(DiskCacheBackendTest, SimpleCacheMemoryDump) { |
| simple_cache_mode_ = true; |
| BackendBasics(); |
| base::trace_event::MemoryDumpArgs args = { |
| base::trace_event::MemoryDumpLevelOfDetail::BACKGROUND}; |
| base::trace_event::ProcessMemoryDump pmd(args); |
| base::trace_event::MemoryAllocatorDump* parent = |
| pmd.CreateAllocatorDump("net/url_request_context/main/0x123/http_cache"); |
| |
| ASSERT_LT(0u, cache_->DumpMemoryStats(&pmd, parent->absolute_name())); |
| EXPECT_EQ(2u, pmd.allocator_dumps().size()); |
| const base::trace_event::MemoryAllocatorDump* sub_dump = |
| pmd.GetAllocatorDump(parent->absolute_name() + "/simple_backend"); |
| ASSERT_NE(nullptr, sub_dump); |
| |
| using MADEntry = base::trace_event::MemoryAllocatorDump::Entry; |
| const std::vector<MADEntry>& entries = sub_dump->entries(); |
| ASSERT_THAT(entries, |
| ElementsAre(Field( |
| &MADEntry::name, |
| Eq(base::trace_event::MemoryAllocatorDump::kNameSize)))); |
| } |
| |
| TEST_F(DiskCacheBackendTest, BlockFileCacheMemoryDump) { |
| // TODO(jkarlin): If the blockfile cache gets memory dump support, update |
| // this test. |
| BackendBasics(); |
| base::trace_event::MemoryDumpArgs args = { |
| base::trace_event::MemoryDumpLevelOfDetail::BACKGROUND}; |
| base::trace_event::ProcessMemoryDump pmd(args); |
| base::trace_event::MemoryAllocatorDump* parent = |
| pmd.CreateAllocatorDump("net/url_request_context/main/0x123/http_cache"); |
| |
| ASSERT_EQ(0u, cache_->DumpMemoryStats(&pmd, parent->absolute_name())); |
| EXPECT_EQ(1u, pmd.allocator_dumps().size()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryListensToMemoryPressure) { |
| const int kLimit = 16 * 1024; |
| const int kEntrySize = 256; |
| SetMaxSize(kLimit); |
| SetMemoryOnlyMode(); |
| InitCache(); |
| |
| // Fill in to about 80-90% full. |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kEntrySize); |
| CacheTestFillBuffer(buffer->data(), kEntrySize, false); |
| |
| for (int i = 0; i < 0.9 * (kLimit / kEntrySize); ++i) { |
| disk_cache::Entry* entry = nullptr; |
| ASSERT_EQ(net::OK, CreateEntry(base::IntToString(i), &entry)); |
| EXPECT_EQ(kEntrySize, |
| WriteData(entry, 0, 0, buffer.get(), kEntrySize, true)); |
| entry->Close(); |
| } |
| |
| EXPECT_GT(CalculateSizeOfAllEntries(), 0.8 * kLimit); |
| |
| // Signal low-memory of various sorts, and see how small it gets. |
| base::MemoryPressureListener::NotifyMemoryPressure( |
| base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_LT(CalculateSizeOfAllEntries(), 0.5 * kLimit); |
| |
| base::MemoryPressureListener::NotifyMemoryPressure( |
| base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL); |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_LT(CalculateSizeOfAllEntries(), 0.1 * kLimit); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ExternalFiles) { |
| InitCache(); |
| // First, let's create a file on the folder. |
| base::FilePath filename = cache_path_.AppendASCII("f_000001"); |
| |
| const int kSize = 50; |
| scoped_refptr<net::IOBuffer> buffer1 = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| CacheTestFillBuffer(buffer1->data(), kSize, false); |
| ASSERT_EQ(kSize, base::WriteFile(filename, buffer1->data(), kSize)); |
| |
| // Now let's create a file with the cache. |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry("key", &entry), IsOk()); |
| ASSERT_EQ(0, WriteData(entry, 0, 20000, buffer1.get(), 0, false)); |
| entry->Close(); |
| |
| // And verify that the first file is still there. |
| scoped_refptr<net::IOBuffer> buffer2( |
| base::MakeRefCounted<net::IOBuffer>(kSize)); |
| ASSERT_EQ(kSize, base::ReadFile(filename, buffer2->data(), kSize)); |
| EXPECT_EQ(0, memcmp(buffer1->data(), buffer2->data(), kSize)); |
| } |
| |
| // Tests that we deal with file-level pending operations at destruction time. |
| void DiskCacheBackendTest::BackendShutdownWithPendingFileIO(bool fast) { |
| ASSERT_TRUE(CleanupCacheDir()); |
| uint32_t flags = disk_cache::kNoBuffering; |
| if (!fast) |
| flags |= disk_cache::kNoRandom; |
| |
| if (!simple_cache_mode_) |
| UseCurrentThread(); |
| CreateBackend(flags); |
| |
| net::TestCompletionCallback cb; |
| int rv = GeneratePendingIO(&cb); |
| |
| // The cache destructor will see one pending operation here. |
| cache_.reset(); |
| |
| if (rv == net::ERR_IO_PENDING) { |
| if (fast || simple_cache_mode_) |
| EXPECT_FALSE(cb.have_result()); |
| else |
| EXPECT_TRUE(cb.have_result()); |
| } |
| |
| base::RunLoop().RunUntilIdle(); |
| |
| #if !defined(OS_IOS) |
| // Wait for the actual operation to complete, or we'll keep a file handle that |
| // may cause issues later. Note that on iOS systems even though this test |
| // uses a single thread, the actual IO is posted to a worker thread and the |
| // cache destructor breaks the link to reach cb when the operation completes. |
| rv = cb.GetResult(rv); |
| #endif |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingFileIO) { |
| BackendShutdownWithPendingFileIO(false); |
| } |
| |
| // Here and below, tests that simulate crashes are not compiled in LeakSanitizer |
| // builds because they contain a lot of intentional memory leaks. |
| #if !defined(LEAK_SANITIZER) |
| // We'll be leaking from this test. |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingFileIO_Fast) { |
| // The integrity test sets kNoRandom so there's a version mismatch if we don't |
| // force new eviction. |
| SetNewEviction(); |
| BackendShutdownWithPendingFileIO(true); |
| } |
| #endif |
| |
| // See crbug.com/330074 |
| #if !defined(OS_IOS) |
| // Tests that one cache instance is not affected by another one going away. |
| TEST_F(DiskCacheBackendTest, MultipleInstancesWithPendingFileIO) { |
| base::ScopedTempDir store; |
| ASSERT_TRUE(store.CreateUniqueTempDir()); |
| |
| net::TestCompletionCallback cb; |
| std::unique_ptr<disk_cache::Backend> extra_cache; |
| int rv = disk_cache::CreateCacheBackend( |
| net::DISK_CACHE, net::CACHE_BACKEND_DEFAULT, store.GetPath(), 0, false, |
| /* net_log = */ nullptr, &extra_cache, cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| ASSERT_TRUE(extra_cache.get() != NULL); |
| |
| ASSERT_TRUE(CleanupCacheDir()); |
| SetNewEviction(); // Match the expected behavior for integrity verification. |
| UseCurrentThread(); |
| |
| CreateBackend(disk_cache::kNoBuffering); |
| rv = GeneratePendingIO(&cb); |
| |
| // cache_ has a pending operation, and extra_cache will go away. |
| extra_cache.reset(); |
| |
| if (rv == net::ERR_IO_PENDING) |
| EXPECT_FALSE(cb.have_result()); |
| |
| disk_cache::FlushCacheThreadForTesting(); |
| base::RunLoop().RunUntilIdle(); |
| |
| // Wait for the actual operation to complete, or we'll keep a file handle that |
| // may cause issues later. |
| rv = cb.GetResult(rv); |
| } |
| #endif |
| |
| // Tests that we deal with background-thread pending operations. |
| void DiskCacheBackendTest::BackendShutdownWithPendingIO(bool fast) { |
| net::TestCompletionCallback cb; |
| |
| { |
| ASSERT_TRUE(CleanupCacheDir()); |
| |
| uint32_t flags = disk_cache::kNoBuffering; |
| if (!fast) |
| flags |= disk_cache::kNoRandom; |
| |
| CreateBackend(flags); |
| |
| disk_cache::Entry* entry; |
| int rv = |
| cache_->CreateEntry("some key", net::HIGHEST, &entry, cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| |
| entry->Close(); |
| |
| // The cache destructor will see one pending operation here. |
| cache_.reset(); |
| } |
| |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_FALSE(cb.have_result()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingIO) { |
| BackendShutdownWithPendingIO(false); |
| } |
| |
| #if !defined(LEAK_SANITIZER) |
| // We'll be leaking from this test. |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingIO_Fast) { |
| // The integrity test sets kNoRandom so there's a version mismatch if we don't |
| // force new eviction. |
| SetNewEviction(); |
| BackendShutdownWithPendingIO(true); |
| } |
| #endif |
| |
| // Tests that we deal with create-type pending operations. |
| void DiskCacheBackendTest::BackendShutdownWithPendingCreate(bool fast) { |
| net::TestCompletionCallback cb; |
| |
| { |
| ASSERT_TRUE(CleanupCacheDir()); |
| |
| disk_cache::BackendFlags flags = |
| fast ? disk_cache::kNone : disk_cache::kNoRandom; |
| CreateBackend(flags); |
| |
| disk_cache::Entry* entry; |
| int rv = |
| cache_->CreateEntry("some key", net::HIGHEST, &entry, cb.callback()); |
| ASSERT_THAT(rv, IsError(net::ERR_IO_PENDING)); |
| |
| cache_.reset(); |
| EXPECT_FALSE(cb.have_result()); |
| } |
| |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_FALSE(cb.have_result()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingCreate) { |
| BackendShutdownWithPendingCreate(false); |
| } |
| |
| #if !defined(LEAK_SANITIZER) |
| // We'll be leaking an entry from this test. |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingCreate_Fast) { |
| // The integrity test sets kNoRandom so there's a version mismatch if we don't |
| // force new eviction. |
| SetNewEviction(); |
| BackendShutdownWithPendingCreate(true); |
| } |
| #endif |
| |
| void DiskCacheBackendTest::BackendShutdownWithPendingDoom() { |
| net::TestCompletionCallback cb; |
| { |
| ASSERT_TRUE(CleanupCacheDir()); |
| |
| disk_cache::BackendFlags flags = disk_cache::kNoRandom; |
| CreateBackend(flags); |
| |
| disk_cache::Entry* entry; |
| int rv = |
| cache_->CreateEntry("some key", net::HIGHEST, &entry, cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| entry->Close(); |
| entry = nullptr; |
| |
| rv = cache_->DoomEntry("some key", net::HIGHEST, cb.callback()); |
| ASSERT_THAT(rv, IsError(net::ERR_IO_PENDING)); |
| |
| cache_.reset(); |
| EXPECT_FALSE(cb.have_result()); |
| } |
| |
| base::RunLoop().RunUntilIdle(); |
| EXPECT_FALSE(cb.have_result()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShutdownWithPendingDoom) { |
| BackendShutdownWithPendingDoom(); |
| } |
| |
| // Disabled on android since this test requires cache creator to create |
| // blockfile caches. |
| #if !defined(OS_ANDROID) |
| TEST_F(DiskCacheTest, TruncatedIndex) { |
| ASSERT_TRUE(CleanupCacheDir()); |
| base::FilePath index = cache_path_.AppendASCII("index"); |
| ASSERT_EQ(5, base::WriteFile(index, "hello", 5)); |
| |
| net::TestCompletionCallback cb; |
| |
| std::unique_ptr<disk_cache::Backend> backend; |
| int rv = disk_cache::CreateCacheBackend( |
| net::DISK_CACHE, net::CACHE_BACKEND_BLOCKFILE, cache_path_, 0, false, |
| nullptr, &backend, cb.callback()); |
| ASSERT_NE(net::OK, cb.GetResult(rv)); |
| |
| ASSERT_FALSE(backend); |
| } |
| #endif |
| |
| void DiskCacheBackendTest::BackendSetSize() { |
| const int cache_size = 0x10000; // 64 kB |
| SetMaxSize(cache_size); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(cache_size); |
| memset(buffer->data(), 0, cache_size); |
| EXPECT_EQ(cache_size / 10, |
| WriteData(entry, 0, 0, buffer.get(), cache_size / 10, false)) |
| << "normal file"; |
| |
| EXPECT_EQ(net::ERR_FAILED, |
| WriteData(entry, 1, 0, buffer.get(), cache_size / 5, false)) |
| << "file size above the limit"; |
| |
| // By doubling the total size, we make this file cacheable. |
| SetMaxSize(cache_size * 2); |
| EXPECT_EQ(cache_size / 5, |
| WriteData(entry, 1, 0, buffer.get(), cache_size / 5, false)); |
| |
| // Let's fill up the cache!. |
| SetMaxSize(cache_size * 10); |
| EXPECT_EQ(cache_size * 3 / 4, |
| WriteData(entry, 0, 0, buffer.get(), cache_size * 3 / 4, false)); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| SetMaxSize(cache_size); |
| |
| // The cache is 95% full. |
| |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| EXPECT_EQ(cache_size / 10, |
| WriteData(entry, 0, 0, buffer.get(), cache_size / 10, false)); |
| |
| disk_cache::Entry* entry2; |
| ASSERT_THAT(CreateEntry("an extra key", &entry2), IsOk()); |
| EXPECT_EQ(cache_size / 10, |
| WriteData(entry2, 0, 0, buffer.get(), cache_size / 10, false)); |
| entry2->Close(); // This will trigger the cache trim. |
| |
| EXPECT_NE(net::OK, OpenEntry(first, &entry2)); |
| |
| FlushQueueForTest(); // Make sure that we are done trimming the cache. |
| FlushQueueForTest(); // We may have posted two tasks to evict stuff. |
| |
| entry->Close(); |
| ASSERT_THAT(OpenEntry(second, &entry), IsOk()); |
| EXPECT_EQ(cache_size / 10, entry->GetDataSize(0)); |
| entry->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, SetSize) { |
| BackendSetSize(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionSetSize) { |
| SetNewEviction(); |
| BackendSetSize(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlySetSize) { |
| SetMemoryOnlyMode(); |
| BackendSetSize(); |
| } |
| |
| void DiskCacheBackendTest::BackendLoad() { |
| InitCache(); |
| int seed = static_cast<int>(Time::Now().ToInternalValue()); |
| srand(seed); |
| |
| disk_cache::Entry* entries[kLargeNumEntries]; |
| for (int i = 0; i < kLargeNumEntries; i++) { |
| std::string key = GenerateKey(true); |
| ASSERT_THAT(CreateEntry(key, &entries[i]), IsOk()); |
| } |
| EXPECT_EQ(kLargeNumEntries, cache_->GetEntryCount()); |
| |
| for (int i = 0; i < kLargeNumEntries; i++) { |
| int source1 = rand() % kLargeNumEntries; |
| int source2 = rand() % kLargeNumEntries; |
| disk_cache::Entry* temp = entries[source1]; |
| entries[source1] = entries[source2]; |
| entries[source2] = temp; |
| } |
| |
| for (int i = 0; i < kLargeNumEntries; i++) { |
| disk_cache::Entry* entry; |
| ASSERT_THAT(OpenEntry(entries[i]->GetKey(), &entry), IsOk()); |
| EXPECT_TRUE(entry == entries[i]); |
| entry->Close(); |
| entries[i]->Doom(); |
| entries[i]->Close(); |
| } |
| FlushQueueForTest(); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, Load) { |
| // Work with a tiny index table (16 entries) |
| SetMask(0xf); |
| SetMaxSize(0x100000); |
| BackendLoad(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionLoad) { |
| SetNewEviction(); |
| // Work with a tiny index table (16 entries) |
| SetMask(0xf); |
| SetMaxSize(0x100000); |
| BackendLoad(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyLoad) { |
| SetMaxSize(0x100000); |
| SetMemoryOnlyMode(); |
| BackendLoad(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheLoad) { |
| SetCacheType(net::APP_CACHE); |
| // Work with a tiny index table (16 entries) |
| SetMask(0xf); |
| SetMaxSize(0x100000); |
| BackendLoad(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheLoad) { |
| SetCacheType(net::SHADER_CACHE); |
| // Work with a tiny index table (16 entries) |
| SetMask(0xf); |
| SetMaxSize(0x100000); |
| BackendLoad(); |
| } |
| |
| // Tests the chaining of an entry to the current head. |
| void DiskCacheBackendTest::BackendChain() { |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| InitCache(); |
| |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry("The first key", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("The Second key", &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, Chain) { |
| BackendChain(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionChain) { |
| SetNewEviction(); |
| BackendChain(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheChain) { |
| SetCacheType(net::APP_CACHE); |
| BackendChain(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheChain) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendChain(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionTrim) { |
| SetNewEviction(); |
| InitCache(); |
| |
| disk_cache::Entry* entry; |
| for (int i = 0; i < 100; i++) { |
| std::string name(base::StringPrintf("Key %d", i)); |
| ASSERT_THAT(CreateEntry(name, &entry), IsOk()); |
| entry->Close(); |
| if (i < 90) { |
| // Entries 0 to 89 are in list 1; 90 to 99 are in list 0. |
| ASSERT_THAT(OpenEntry(name, &entry), IsOk()); |
| entry->Close(); |
| } |
| } |
| |
| // The first eviction must come from list 1 (10% limit), the second must come |
| // from list 0. |
| TrimForTest(false); |
| EXPECT_NE(net::OK, OpenEntry("Key 0", &entry)); |
| TrimForTest(false); |
| EXPECT_NE(net::OK, OpenEntry("Key 90", &entry)); |
| |
| // Double check that we still have the list tails. |
| ASSERT_THAT(OpenEntry("Key 1", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry("Key 91", &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| // Before looking for invalid entries, let's check a valid entry. |
| void DiskCacheBackendTest::BackendValidEntry() { |
| InitCache(); |
| |
| std::string key("Some key"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| |
| const int kSize = 50; |
| scoped_refptr<net::IOBuffer> buffer1 = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer1->data(), 0, kSize); |
| base::strlcpy(buffer1->data(), "And the data to save", kSize); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer1.get(), kSize, false)); |
| entry->Close(); |
| SimulateCrash(); |
| |
| ASSERT_THAT(OpenEntry(key, &entry), IsOk()); |
| |
| scoped_refptr<net::IOBuffer> buffer2 = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer2->data(), 0, kSize); |
| EXPECT_EQ(kSize, ReadData(entry, 0, 0, buffer2.get(), kSize)); |
| entry->Close(); |
| EXPECT_STREQ(buffer1->data(), buffer2->data()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ValidEntry) { |
| BackendValidEntry(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionValidEntry) { |
| SetNewEviction(); |
| BackendValidEntry(); |
| } |
| |
| // The same logic of the previous test (ValidEntry), but this time force the |
| // entry to be invalid, simulating a crash in the middle. |
| // We'll be leaking memory from this test. |
| void DiskCacheBackendTest::BackendInvalidEntry() { |
| InitCache(); |
| |
| std::string key("Some key"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| |
| const int kSize = 50; |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer->data(), 0, kSize); |
| base::strlcpy(buffer->data(), "And the data to save", kSize); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer.get(), kSize, false)); |
| SimulateCrash(); |
| |
| EXPECT_NE(net::OK, OpenEntry(key, &entry)); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| } |
| |
| #if !defined(LEAK_SANITIZER) |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, InvalidEntry) { |
| BackendInvalidEntry(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry) { |
| SetNewEviction(); |
| BackendInvalidEntry(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, AppCacheInvalidEntry) { |
| SetCacheType(net::APP_CACHE); |
| BackendInvalidEntry(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, ShaderCacheInvalidEntry) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendInvalidEntry(); |
| } |
| |
| // Almost the same test, but this time crash the cache after reading an entry. |
| // We'll be leaking memory from this test. |
| void DiskCacheBackendTest::BackendInvalidEntryRead() { |
| InitCache(); |
| |
| std::string key("Some key"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| |
| const int kSize = 50; |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer->data(), 0, kSize); |
| base::strlcpy(buffer->data(), "And the data to save", kSize); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer.get(), kSize, false)); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry(key, &entry), IsOk()); |
| EXPECT_EQ(kSize, ReadData(entry, 0, 0, buffer.get(), kSize)); |
| |
| SimulateCrash(); |
| |
| if (type_ == net::APP_CACHE) { |
| // Reading an entry and crashing should not make it dirty. |
| ASSERT_THAT(OpenEntry(key, &entry), IsOk()); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| entry->Close(); |
| } else { |
| EXPECT_NE(net::OK, OpenEntry(key, &entry)); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| } |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, InvalidEntryRead) { |
| BackendInvalidEntryRead(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntryRead) { |
| SetNewEviction(); |
| BackendInvalidEntryRead(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, AppCacheInvalidEntryRead) { |
| SetCacheType(net::APP_CACHE); |
| BackendInvalidEntryRead(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, ShaderCacheInvalidEntryRead) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendInvalidEntryRead(); |
| } |
| |
| // We'll be leaking memory from this test. |
| void DiskCacheBackendTest::BackendInvalidEntryWithLoad() { |
| // Work with a tiny index table (16 entries) |
| SetMask(0xf); |
| SetMaxSize(0x100000); |
| InitCache(); |
| |
| int seed = static_cast<int>(Time::Now().ToInternalValue()); |
| srand(seed); |
| |
| const int kNumEntries = 100; |
| disk_cache::Entry* entries[kNumEntries]; |
| for (int i = 0; i < kNumEntries; i++) { |
| std::string key = GenerateKey(true); |
| ASSERT_THAT(CreateEntry(key, &entries[i]), IsOk()); |
| } |
| EXPECT_EQ(kNumEntries, cache_->GetEntryCount()); |
| |
| for (int i = 0; i < kNumEntries; i++) { |
| int source1 = rand() % kNumEntries; |
| int source2 = rand() % kNumEntries; |
| disk_cache::Entry* temp = entries[source1]; |
| entries[source1] = entries[source2]; |
| entries[source2] = temp; |
| } |
| |
| std::string keys[kNumEntries]; |
| for (int i = 0; i < kNumEntries; i++) { |
| keys[i] = entries[i]->GetKey(); |
| if (i < kNumEntries / 2) |
| entries[i]->Close(); |
| } |
| |
| SimulateCrash(); |
| |
| for (int i = kNumEntries / 2; i < kNumEntries; i++) { |
| disk_cache::Entry* entry; |
| EXPECT_NE(net::OK, OpenEntry(keys[i], &entry)); |
| } |
| |
| for (int i = 0; i < kNumEntries / 2; i++) { |
| disk_cache::Entry* entry; |
| ASSERT_THAT(OpenEntry(keys[i], &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| EXPECT_EQ(kNumEntries / 2, cache_->GetEntryCount()); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, InvalidEntryWithLoad) { |
| BackendInvalidEntryWithLoad(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntryWithLoad) { |
| SetNewEviction(); |
| BackendInvalidEntryWithLoad(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, AppCacheInvalidEntryWithLoad) { |
| SetCacheType(net::APP_CACHE); |
| BackendInvalidEntryWithLoad(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, ShaderCacheInvalidEntryWithLoad) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendInvalidEntryWithLoad(); |
| } |
| |
| // We'll be leaking memory from this test. |
| void DiskCacheBackendTest::BackendTrimInvalidEntry() { |
| const int kSize = 0x3000; // 12 kB |
| SetMaxSize(kSize * 10); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer->data(), 0, kSize); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer.get(), kSize, false)); |
| |
| // Simulate a crash. |
| SimulateCrash(); |
| |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer.get(), kSize, false)); |
| |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| SetMaxSize(kSize); |
| entry->Close(); // Trim the cache. |
| FlushQueueForTest(); |
| |
| // If we evicted the entry in less than 20mS, we have one entry in the cache; |
| // if it took more than that, we posted a task and we'll delete the second |
| // entry too. |
| base::RunLoop().RunUntilIdle(); |
| |
| // This may be not thread-safe in general, but for now it's OK so add some |
| // ThreadSanitizer annotations to ignore data races on cache_. |
| // See http://crbug.com/55970 |
| ANNOTATE_IGNORE_READS_BEGIN(); |
| EXPECT_GE(1, cache_->GetEntryCount()); |
| ANNOTATE_IGNORE_READS_END(); |
| |
| EXPECT_NE(net::OK, OpenEntry(first, &entry)); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, TrimInvalidEntry) { |
| BackendTrimInvalidEntry(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, NewEvictionTrimInvalidEntry) { |
| SetNewEviction(); |
| BackendTrimInvalidEntry(); |
| } |
| |
| // We'll be leaking memory from this test. |
| void DiskCacheBackendTest::BackendTrimInvalidEntry2() { |
| SetMask(0xf); // 16-entry table. |
| |
| const int kSize = 0x3000; // 12 kB |
| SetMaxSize(kSize * 40); |
| InitCache(); |
| |
| scoped_refptr<net::IOBuffer> buffer = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer->data(), 0, kSize); |
| disk_cache::Entry* entry; |
| |
| // Writing 32 entries to this cache chains most of them. |
| for (int i = 0; i < 32; i++) { |
| std::string key(base::StringPrintf("some key %d", i)); |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer.get(), kSize, false)); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry(key, &entry), IsOk()); |
| // Note that we are not closing the entries. |
| } |
| |
| // Simulate a crash. |
| SimulateCrash(); |
| |
| ASSERT_THAT(CreateEntry("Something else", &entry), IsOk()); |
| EXPECT_EQ(kSize, WriteData(entry, 0, 0, buffer.get(), kSize, false)); |
| |
| FlushQueueForTest(); |
| EXPECT_EQ(33, cache_->GetEntryCount()); |
| SetMaxSize(kSize); |
| |
| // For the new eviction code, all corrupt entries are on the second list so |
| // they are not going away that easy. |
| if (new_eviction_) { |
| EXPECT_THAT(DoomAllEntries(), IsOk()); |
| } |
| |
| entry->Close(); // Trim the cache. |
| FlushQueueForTest(); |
| |
| // We may abort the eviction before cleaning up everything. |
| base::RunLoop().RunUntilIdle(); |
| FlushQueueForTest(); |
| // If it's not clear enough: we may still have eviction tasks running at this |
| // time, so the number of entries is changing while we read it. |
| ANNOTATE_IGNORE_READS_AND_WRITES_BEGIN(); |
| EXPECT_GE(30, cache_->GetEntryCount()); |
| ANNOTATE_IGNORE_READS_AND_WRITES_END(); |
| |
| // For extra messiness, the integrity check for the cache can actually cause |
| // evictions if it's over-capacity, which would race with above. So change the |
| // size we pass to CheckCacheIntegrity (but don't mess with existing backend's |
| // state. |
| size_ = 0; |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, TrimInvalidEntry2) { |
| BackendTrimInvalidEntry2(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, NewEvictionTrimInvalidEntry2) { |
| SetNewEviction(); |
| BackendTrimInvalidEntry2(); |
| } |
| #endif // !defined(LEAK_SANITIZER) |
| |
| void DiskCacheBackendTest::BackendEnumerations() { |
| InitCache(); |
| Time initial = Time::Now(); |
| |
| const int kNumEntries = 100; |
| for (int i = 0; i < kNumEntries; i++) { |
| std::string key = GenerateKey(true); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| entry->Close(); |
| } |
| EXPECT_EQ(kNumEntries, cache_->GetEntryCount()); |
| Time final = Time::Now(); |
| |
| disk_cache::Entry* entry; |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| int count = 0; |
| Time last_modified[kNumEntries]; |
| Time last_used[kNumEntries]; |
| while (iter->OpenNextEntry(&entry) == net::OK) { |
| ASSERT_TRUE(NULL != entry); |
| if (count < kNumEntries) { |
| last_modified[count] = entry->GetLastModified(); |
| last_used[count] = entry->GetLastUsed(); |
| EXPECT_TRUE(initial <= last_modified[count]); |
| EXPECT_TRUE(final >= last_modified[count]); |
| } |
| |
| entry->Close(); |
| count++; |
| }; |
| EXPECT_EQ(kNumEntries, count); |
| |
| iter = CreateIterator(); |
| count = 0; |
| // The previous enumeration should not have changed the timestamps. |
| while (iter->OpenNextEntry(&entry) == net::OK) { |
| ASSERT_TRUE(NULL != entry); |
| if (count < kNumEntries) { |
| EXPECT_TRUE(last_modified[count] == entry->GetLastModified()); |
| EXPECT_TRUE(last_used[count] == entry->GetLastUsed()); |
| } |
| entry->Close(); |
| count++; |
| }; |
| EXPECT_EQ(kNumEntries, count); |
| } |
| |
| TEST_F(DiskCacheBackendTest, Enumerations) { |
| BackendEnumerations(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionEnumerations) { |
| SetNewEviction(); |
| BackendEnumerations(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyEnumerations) { |
| SetMemoryOnlyMode(); |
| BackendEnumerations(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheEnumerations) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendEnumerations(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheEnumerations) { |
| SetCacheType(net::APP_CACHE); |
| BackendEnumerations(); |
| } |
| |
| // Verifies enumerations while entries are open. |
| void DiskCacheBackendTest::BackendEnumerations2() { |
| InitCache(); |
| const std::string first("first"); |
| const std::string second("second"); |
| disk_cache::Entry *entry1, *entry2; |
| ASSERT_THAT(CreateEntry(first, &entry1), IsOk()); |
| entry1->Close(); |
| ASSERT_THAT(CreateEntry(second, &entry2), IsOk()); |
| entry2->Close(); |
| FlushQueueForTest(); |
| |
| // Make sure that the timestamp is not the same. |
| AddDelay(); |
| ASSERT_THAT(OpenEntry(second, &entry1), IsOk()); |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| ASSERT_THAT(iter->OpenNextEntry(&entry2), IsOk()); |
| EXPECT_EQ(entry2->GetKey(), second); |
| |
| // Two entries and the iterator pointing at "first". |
| entry1->Close(); |
| entry2->Close(); |
| |
| // The iterator should still be valid, so we should not crash. |
| ASSERT_THAT(iter->OpenNextEntry(&entry2), IsOk()); |
| EXPECT_EQ(entry2->GetKey(), first); |
| entry2->Close(); |
| iter = CreateIterator(); |
| |
| // Modify the oldest entry and get the newest element. |
| ASSERT_THAT(OpenEntry(first, &entry1), IsOk()); |
| EXPECT_EQ(0, WriteData(entry1, 0, 200, NULL, 0, false)); |
| ASSERT_THAT(iter->OpenNextEntry(&entry2), IsOk()); |
| if (type_ == net::APP_CACHE) { |
| // The list is not updated. |
| EXPECT_EQ(entry2->GetKey(), second); |
| } else { |
| EXPECT_EQ(entry2->GetKey(), first); |
| } |
| |
| entry1->Close(); |
| entry2->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, Enumerations2) { |
| BackendEnumerations2(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionEnumerations2) { |
| SetNewEviction(); |
| BackendEnumerations2(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheEnumerations2) { |
| SetCacheType(net::APP_CACHE); |
| BackendEnumerations2(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheEnumerations2) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendEnumerations2(); |
| } |
| |
| void DiskCacheBackendTest::BackendDoomMidEnumeration() { |
| InitCache(); |
| |
| const int kNumEntries = 100; |
| std::set<std::string> keys; |
| for (int i = 0; i < kNumEntries; i++) { |
| std::string key = GenerateKey(true); |
| keys.insert(key); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| disk_cache::Entry* entry; |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| int count = 0; |
| while (iter->OpenNextEntry(&entry) == net::OK) { |
| if (count == 0) { |
| // Delete a random entry from the cache while in the midst of iteration. |
| auto key_to_doom = keys.begin(); |
| while (*key_to_doom == entry->GetKey()) |
| key_to_doom++; |
| ASSERT_THAT(DoomEntry(*key_to_doom), IsOk()); |
| ASSERT_EQ(1u, keys.erase(*key_to_doom)); |
| } |
| ASSERT_NE(nullptr, entry); |
| EXPECT_EQ(1u, keys.erase(entry->GetKey())); |
| entry->Close(); |
| count++; |
| }; |
| |
| EXPECT_EQ(kNumEntries - 1, cache_->GetEntryCount()); |
| EXPECT_EQ(0u, keys.size()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, DoomEnumerations) { |
| BackendDoomMidEnumeration(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionDoomEnumerations) { |
| SetNewEviction(); |
| BackendDoomMidEnumeration(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyDoomEnumerations) { |
| SetMemoryOnlyMode(); |
| BackendDoomMidEnumeration(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, ShaderCacheDoomEnumerations) { |
| SetCacheType(net::SHADER_CACHE); |
| BackendDoomMidEnumeration(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, AppCacheDoomEnumerations) { |
| SetCacheType(net::APP_CACHE); |
| BackendDoomMidEnumeration(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, SimpleDoomEnumerations) { |
| SetSimpleCacheMode(); |
| BackendDoomMidEnumeration(); |
| } |
| |
| // Verify that ReadData calls do not update the LRU cache |
| // when using the SHADER_CACHE type. |
| TEST_F(DiskCacheBackendTest, ShaderCacheEnumerationReadData) { |
| SetCacheType(net::SHADER_CACHE); |
| InitCache(); |
| const std::string first("first"); |
| const std::string second("second"); |
| disk_cache::Entry *entry1, *entry2; |
| const int kSize = 50; |
| scoped_refptr<net::IOBuffer> buffer1 = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| |
| ASSERT_THAT(CreateEntry(first, &entry1), IsOk()); |
| memset(buffer1->data(), 0, kSize); |
| base::strlcpy(buffer1->data(), "And the data to save", kSize); |
| EXPECT_EQ(kSize, WriteData(entry1, 0, 0, buffer1.get(), kSize, false)); |
| |
| ASSERT_THAT(CreateEntry(second, &entry2), IsOk()); |
| entry2->Close(); |
| |
| FlushQueueForTest(); |
| |
| // Make sure that the timestamp is not the same. |
| AddDelay(); |
| |
| // Read from the last item in the LRU. |
| EXPECT_EQ(kSize, ReadData(entry1, 0, 0, buffer1.get(), kSize)); |
| entry1->Close(); |
| |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| ASSERT_THAT(iter->OpenNextEntry(&entry2), IsOk()); |
| EXPECT_EQ(entry2->GetKey(), second); |
| entry2->Close(); |
| } |
| |
| #if !defined(LEAK_SANITIZER) |
| // Verify handling of invalid entries while doing enumerations. |
| // We'll be leaking memory from this test. |
| void DiskCacheBackendTest::BackendInvalidEntryEnumeration() { |
| InitCache(); |
| |
| std::string key("Some key"); |
| disk_cache::Entry *entry, *entry1, *entry2; |
| ASSERT_THAT(CreateEntry(key, &entry1), IsOk()); |
| |
| const int kSize = 50; |
| scoped_refptr<net::IOBuffer> buffer1 = |
| base::MakeRefCounted<net::IOBuffer>(kSize); |
| memset(buffer1->data(), 0, kSize); |
| base::strlcpy(buffer1->data(), "And the data to save", kSize); |
| EXPECT_EQ(kSize, WriteData(entry1, 0, 0, buffer1.get(), kSize, false)); |
| entry1->Close(); |
| ASSERT_THAT(OpenEntry(key, &entry1), IsOk()); |
| EXPECT_EQ(kSize, ReadData(entry1, 0, 0, buffer1.get(), kSize)); |
| |
| std::string key2("Another key"); |
| ASSERT_THAT(CreateEntry(key2, &entry2), IsOk()); |
| entry2->Close(); |
| ASSERT_EQ(2, cache_->GetEntryCount()); |
| |
| SimulateCrash(); |
| |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| int count = 0; |
| while (iter->OpenNextEntry(&entry) == net::OK) { |
| ASSERT_TRUE(NULL != entry); |
| EXPECT_EQ(key2, entry->GetKey()); |
| entry->Close(); |
| count++; |
| }; |
| EXPECT_EQ(1, count); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, InvalidEntryEnumeration) { |
| BackendInvalidEntryEnumeration(); |
| } |
| |
| // We'll be leaking memory from this test. |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntryEnumeration) { |
| SetNewEviction(); |
| BackendInvalidEntryEnumeration(); |
| } |
| #endif // !defined(LEAK_SANITIZER) |
| |
| // Tests that if for some reason entries are modified close to existing cache |
| // iterators, we don't generate fatal errors or reset the cache. |
| void DiskCacheBackendTest::BackendFixEnumerators() { |
| InitCache(); |
| |
| int seed = static_cast<int>(Time::Now().ToInternalValue()); |
| srand(seed); |
| |
| const int kNumEntries = 10; |
| for (int i = 0; i < kNumEntries; i++) { |
| std::string key = GenerateKey(true); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| entry->Close(); |
| } |
| EXPECT_EQ(kNumEntries, cache_->GetEntryCount()); |
| |
| disk_cache::Entry *entry1, *entry2; |
| std::unique_ptr<TestIterator> iter1 = CreateIterator(), |
| iter2 = CreateIterator(); |
| ASSERT_THAT(iter1->OpenNextEntry(&entry1), IsOk()); |
| ASSERT_TRUE(NULL != entry1); |
| entry1->Close(); |
| entry1 = NULL; |
| |
| // Let's go to the middle of the list. |
| for (int i = 0; i < kNumEntries / 2; i++) { |
| if (entry1) |
| entry1->Close(); |
| ASSERT_THAT(iter1->OpenNextEntry(&entry1), IsOk()); |
| ASSERT_TRUE(NULL != entry1); |
| |
| ASSERT_THAT(iter2->OpenNextEntry(&entry2), IsOk()); |
| ASSERT_TRUE(NULL != entry2); |
| entry2->Close(); |
| } |
| |
| // Messing up with entry1 will modify entry2->next. |
| entry1->Doom(); |
| ASSERT_THAT(iter2->OpenNextEntry(&entry2), IsOk()); |
| ASSERT_TRUE(NULL != entry2); |
| |
| // The link entry2->entry1 should be broken. |
| EXPECT_NE(entry2->GetKey(), entry1->GetKey()); |
| entry1->Close(); |
| entry2->Close(); |
| |
| // And the second iterator should keep working. |
| ASSERT_THAT(iter2->OpenNextEntry(&entry2), IsOk()); |
| ASSERT_TRUE(NULL != entry2); |
| entry2->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, FixEnumerators) { |
| BackendFixEnumerators(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionFixEnumerators) { |
| SetNewEviction(); |
| BackendFixEnumerators(); |
| } |
| |
| void DiskCacheBackendTest::BackendDoomRecent() { |
| InitCache(); |
| |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry("first", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("second", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time middle = Time::Now(); |
| |
| ASSERT_THAT(CreateEntry("third", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("fourth", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time final = Time::Now(); |
| |
| ASSERT_EQ(4, cache_->GetEntryCount()); |
| EXPECT_THAT(DoomEntriesSince(final), IsOk()); |
| ASSERT_EQ(4, cache_->GetEntryCount()); |
| |
| EXPECT_THAT(DoomEntriesSince(middle), IsOk()); |
| ASSERT_EQ(2, cache_->GetEntryCount()); |
| |
| ASSERT_THAT(OpenEntry("second", &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, DoomRecent) { |
| BackendDoomRecent(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionDoomRecent) { |
| SetNewEviction(); |
| BackendDoomRecent(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyDoomRecent) { |
| SetMemoryOnlyMode(); |
| BackendDoomRecent(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyDoomEntriesSinceSparse) { |
| SetMemoryOnlyMode(); |
| base::Time start; |
| InitSparseCache(&start, NULL); |
| DoomEntriesSince(start); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, DoomEntriesSinceSparse) { |
| base::Time start; |
| InitSparseCache(&start, NULL); |
| DoomEntriesSince(start); |
| // NOTE: BackendImpl counts child entries in its GetEntryCount(), while |
| // MemBackendImpl does not. Thats why expected value differs here from |
| // MemoryOnlyDoomEntriesSinceSparse. |
| EXPECT_EQ(3, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyDoomAllSparse) { |
| SetMemoryOnlyMode(); |
| InitSparseCache(NULL, NULL); |
| EXPECT_THAT(DoomAllEntries(), IsOk()); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, DoomAllSparse) { |
| InitSparseCache(NULL, NULL); |
| EXPECT_THAT(DoomAllEntries(), IsOk()); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| } |
| |
| // This test is for https://crbug.com/827492. |
| TEST_F(DiskCacheBackendTest, InMemorySparseEvict) { |
| const int kMaxSize = 512; |
| |
| SetMaxSize(kMaxSize); |
| SetMemoryOnlyMode(); |
| InitCache(); |
| |
| scoped_refptr<net::IOBuffer> buffer = base::MakeRefCounted<net::IOBuffer>(64); |
| CacheTestFillBuffer(buffer->data(), 64, false /* no_nulls */); |
| |
| std::vector<disk_cache::ScopedEntryPtr> entries; |
| |
| disk_cache::Entry* entry = nullptr; |
| // Create a bunch of entries |
| for (size_t i = 0; i < 14; i++) { |
| std::string name = "http://www." + std::to_string(i) + ".com/"; |
| ASSERT_THAT(CreateEntry(name, &entry), IsOk()); |
| entries.push_back(disk_cache::ScopedEntryPtr(entry)); |
| } |
| |
| // Create several sparse entries and fill with enough data to |
| // pass eviction threshold |
| ASSERT_EQ(64, WriteSparseData(entries[0].get(), 0, buffer.get(), 64)); |
| ASSERT_EQ(net::ERR_FAILED, |
| WriteSparseData(entries[0].get(), 10000, buffer.get(), 4)); |
| ASSERT_EQ(63, WriteSparseData(entries[1].get(), 0, buffer.get(), 63)); |
| ASSERT_EQ(64, WriteSparseData(entries[2].get(), 0, buffer.get(), 64)); |
| ASSERT_EQ(64, WriteSparseData(entries[3].get(), 0, buffer.get(), 64)); |
| |
| // Close all the entries, leaving a populated LRU list |
| // with all entries having refcount 0 (doom implies deletion) |
| entries.clear(); |
| |
| // Create a new entry, triggering buggy eviction |
| ASSERT_THAT(CreateEntry("http://www.14.com/", &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| void DiskCacheBackendTest::BackendDoomBetween() { |
| InitCache(); |
| |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry("first", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time middle_start = Time::Now(); |
| |
| ASSERT_THAT(CreateEntry("second", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("third", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time middle_end = Time::Now(); |
| |
| ASSERT_THAT(CreateEntry("fourth", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry("fourth", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time final = Time::Now(); |
| |
| ASSERT_EQ(4, cache_->GetEntryCount()); |
| EXPECT_THAT(DoomEntriesBetween(middle_start, middle_end), IsOk()); |
| ASSERT_EQ(2, cache_->GetEntryCount()); |
| |
| ASSERT_THAT(OpenEntry("fourth", &entry), IsOk()); |
| entry->Close(); |
| |
| EXPECT_THAT(DoomEntriesBetween(middle_start, final), IsOk()); |
| ASSERT_EQ(1, cache_->GetEntryCount()); |
| |
| ASSERT_THAT(OpenEntry("first", &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, DoomBetween) { |
| BackendDoomBetween(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionDoomBetween) { |
| SetNewEviction(); |
| BackendDoomBetween(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyDoomBetween) { |
| SetMemoryOnlyMode(); |
| BackendDoomBetween(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyDoomEntriesBetweenSparse) { |
| SetMemoryOnlyMode(); |
| base::Time start, end; |
| InitSparseCache(&start, &end); |
| DoomEntriesBetween(start, end); |
| EXPECT_EQ(3, cache_->GetEntryCount()); |
| |
| start = end; |
| end = base::Time::Now(); |
| DoomEntriesBetween(start, end); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, DoomEntriesBetweenSparse) { |
| base::Time start, end; |
| InitSparseCache(&start, &end); |
| DoomEntriesBetween(start, end); |
| EXPECT_EQ(9, cache_->GetEntryCount()); |
| |
| start = end; |
| end = base::Time::Now(); |
| DoomEntriesBetween(start, end); |
| EXPECT_EQ(3, cache_->GetEntryCount()); |
| } |
| |
| void DiskCacheBackendTest::BackendCalculateSizeOfAllEntries() { |
| InitCache(); |
| |
| // The cache is initially empty. |
| EXPECT_EQ(0, CalculateSizeOfAllEntries()); |
| |
| // Generate random entries and populate them with data of respective |
| // sizes 0, 1, ..., count - 1 bytes. |
| std::set<std::string> key_pool; |
| CreateSetOfRandomEntries(&key_pool); |
| |
| int count = 0; |
| int total_size = 0; |
| for (std::string key : key_pool) { |
| std::string data(count, ' '); |
| scoped_refptr<net::StringIOBuffer> buffer = |
| base::MakeRefCounted<net::StringIOBuffer>(data); |
| |
| // Alternate between writing to first two streams to test that we do not |
| // take only one stream into account. |
| disk_cache::Entry* entry; |
| ASSERT_THAT(OpenEntry(key, &entry), IsOk()); |
| ASSERT_EQ(count, WriteData(entry, count % 2, 0, buffer.get(), count, true)); |
| entry->Close(); |
| |
| total_size += GetRoundedSize(count + GetEntryMetadataSize(key)); |
| ++count; |
| } |
| |
| int result = CalculateSizeOfAllEntries(); |
| EXPECT_EQ(total_size, result); |
| |
| // Add another entry and test if the size is updated. Then remove it and test |
| // if the size is back to original value. |
| { |
| const int last_entry_size = 47; |
| std::string data(last_entry_size, ' '); |
| scoped_refptr<net::StringIOBuffer> buffer = |
| base::MakeRefCounted<net::StringIOBuffer>(data); |
| |
| disk_cache::Entry* entry; |
| std::string key = GenerateKey(true); |
| ASSERT_THAT(CreateEntry(key, &entry), IsOk()); |
| ASSERT_EQ(last_entry_size, |
| WriteData(entry, 0, 0, buffer.get(), last_entry_size, true)); |
| entry->Close(); |
| |
| int new_result = CalculateSizeOfAllEntries(); |
| EXPECT_EQ( |
| result + GetRoundedSize(last_entry_size + GetEntryMetadataSize(key)), |
| new_result); |
| |
| DoomEntry(key); |
| new_result = CalculateSizeOfAllEntries(); |
| EXPECT_EQ(result, new_result); |
| } |
| |
| // After dooming the entries, the size should be back to zero. |
| ASSERT_THAT(DoomAllEntries(), IsOk()); |
| EXPECT_EQ(0, CalculateSizeOfAllEntries()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, CalculateSizeOfAllEntries) { |
| BackendCalculateSizeOfAllEntries(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyCalculateSizeOfAllEntries) { |
| SetMemoryOnlyMode(); |
| BackendCalculateSizeOfAllEntries(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, SimpleCacheCalculateSizeOfAllEntries) { |
| // Use net::APP_CACHE to make size estimations deterministic via |
| // non-optimistic writes. |
| SetCacheType(net::APP_CACHE); |
| SetSimpleCacheMode(); |
| BackendCalculateSizeOfAllEntries(); |
| } |
| |
| void DiskCacheBackendTest::BackendCalculateSizeOfEntriesBetween() { |
| InitCache(); |
| |
| EXPECT_EQ(0, CalculateSizeOfEntriesBetween(base::Time(), base::Time::Max())); |
| |
| Time start = Time::Now(); |
| |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry("first", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time middle = Time::Now(); |
| AddDelay(); |
| |
| ASSERT_THAT(CreateEntry("second", &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("third_entry", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| |
| AddDelay(); |
| Time end = Time::Now(); |
| |
| int size_1 = GetRoundedSize(GetEntryMetadataSize("first")); |
| int size_2 = GetRoundedSize(GetEntryMetadataSize("second")); |
| int size_3 = GetRoundedSize(GetEntryMetadataSize("third_entry")); |
| |
| ASSERT_EQ(3, cache_->GetEntryCount()); |
| ASSERT_EQ(CalculateSizeOfAllEntries(), |
| CalculateSizeOfEntriesBetween(base::Time(), base::Time::Max())); |
| |
| int start_end = CalculateSizeOfEntriesBetween(start, end); |
| ASSERT_EQ(CalculateSizeOfAllEntries(), start_end); |
| ASSERT_EQ(size_1 + size_2 + size_3, start_end); |
| |
| ASSERT_EQ(size_1, CalculateSizeOfEntriesBetween(start, middle)); |
| ASSERT_EQ(size_2 + size_3, CalculateSizeOfEntriesBetween(middle, end)); |
| |
| // After dooming the entries, the size should be back to zero. |
| ASSERT_THAT(DoomAllEntries(), IsOk()); |
| EXPECT_EQ(0, CalculateSizeOfEntriesBetween(base::Time(), base::Time::Max())); |
| } |
| |
| TEST_F(DiskCacheBackendTest, CalculateSizeOfEntriesBetween) { |
| InitCache(); |
| ASSERT_EQ(net::ERR_NOT_IMPLEMENTED, |
| CalculateSizeOfEntriesBetween(base::Time(), base::Time::Max())); |
| } |
| |
| TEST_F(DiskCacheBackendTest, MemoryOnlyCalculateSizeOfEntriesBetween) { |
| SetMemoryOnlyMode(); |
| BackendCalculateSizeOfEntriesBetween(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, SimpleCacheCalculateSizeOfEntriesBetween) { |
| // Use net::APP_CACHE to make size estimations deterministic via |
| // non-optimistic writes. |
| SetCacheType(net::APP_CACHE); |
| SetSimpleCacheMode(); |
| BackendCalculateSizeOfEntriesBetween(); |
| } |
| |
| void DiskCacheBackendTest::BackendTransaction(const std::string& name, |
| int num_entries, |
| bool load) { |
| success_ = false; |
| ASSERT_TRUE(CopyTestCache(name)); |
| DisableFirstCleanup(); |
| |
| uint32_t mask; |
| if (load) { |
| mask = 0xf; |
| SetMaxSize(0x100000); |
| } else { |
| // Clear the settings from the previous run. |
| mask = 0; |
| SetMaxSize(0); |
| } |
| SetMask(mask); |
| |
| InitCache(); |
| ASSERT_EQ(num_entries + 1, cache_->GetEntryCount()); |
| |
| std::string key("the first key"); |
| disk_cache::Entry* entry1; |
| ASSERT_NE(net::OK, OpenEntry(key, &entry1)); |
| |
| int actual = cache_->GetEntryCount(); |
| if (num_entries != actual) { |
| ASSERT_TRUE(load); |
| // If there is a heavy load, inserting an entry will make another entry |
| // dirty (on the hash bucket) so two entries are removed. |
| ASSERT_EQ(num_entries - 1, actual); |
| } |
| |
| cache_.reset(); |
| cache_impl_ = NULL; |
| |
| ASSERT_TRUE(CheckCacheIntegrity(cache_path_, new_eviction_, MaxSize(), mask)); |
| success_ = true; |
| } |
| |
| void DiskCacheBackendTest::BackendRecoverInsert() { |
| // Tests with an empty cache. |
| BackendTransaction("insert_empty1", 0, false); |
| ASSERT_TRUE(success_) << "insert_empty1"; |
| BackendTransaction("insert_empty2", 0, false); |
| ASSERT_TRUE(success_) << "insert_empty2"; |
| BackendTransaction("insert_empty3", 0, false); |
| ASSERT_TRUE(success_) << "insert_empty3"; |
| |
| // Tests with one entry on the cache. |
| BackendTransaction("insert_one1", 1, false); |
| ASSERT_TRUE(success_) << "insert_one1"; |
| BackendTransaction("insert_one2", 1, false); |
| ASSERT_TRUE(success_) << "insert_one2"; |
| BackendTransaction("insert_one3", 1, false); |
| ASSERT_TRUE(success_) << "insert_one3"; |
| |
| // Tests with one hundred entries on the cache, tiny index. |
| BackendTransaction("insert_load1", 100, true); |
| ASSERT_TRUE(success_) << "insert_load1"; |
| BackendTransaction("insert_load2", 100, true); |
| ASSERT_TRUE(success_) << "insert_load2"; |
| } |
| |
| TEST_F(DiskCacheBackendTest, RecoverInsert) { |
| BackendRecoverInsert(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionRecoverInsert) { |
| SetNewEviction(); |
| BackendRecoverInsert(); |
| } |
| |
| void DiskCacheBackendTest::BackendRecoverRemove() { |
| // Removing the only element. |
| BackendTransaction("remove_one1", 0, false); |
| ASSERT_TRUE(success_) << "remove_one1"; |
| BackendTransaction("remove_one2", 0, false); |
| ASSERT_TRUE(success_) << "remove_one2"; |
| BackendTransaction("remove_one3", 0, false); |
| ASSERT_TRUE(success_) << "remove_one3"; |
| |
| // Removing the head. |
| BackendTransaction("remove_head1", 1, false); |
| ASSERT_TRUE(success_) << "remove_head1"; |
| BackendTransaction("remove_head2", 1, false); |
| ASSERT_TRUE(success_) << "remove_head2"; |
| BackendTransaction("remove_head3", 1, false); |
| ASSERT_TRUE(success_) << "remove_head3"; |
| |
| // Removing the tail. |
| BackendTransaction("remove_tail1", 1, false); |
| ASSERT_TRUE(success_) << "remove_tail1"; |
| BackendTransaction("remove_tail2", 1, false); |
| ASSERT_TRUE(success_) << "remove_tail2"; |
| BackendTransaction("remove_tail3", 1, false); |
| ASSERT_TRUE(success_) << "remove_tail3"; |
| |
| // Removing with one hundred entries on the cache, tiny index. |
| BackendTransaction("remove_load1", 100, true); |
| ASSERT_TRUE(success_) << "remove_load1"; |
| BackendTransaction("remove_load2", 100, true); |
| ASSERT_TRUE(success_) << "remove_load2"; |
| BackendTransaction("remove_load3", 100, true); |
| ASSERT_TRUE(success_) << "remove_load3"; |
| |
| // This case cannot be reverted. |
| BackendTransaction("remove_one4", 0, false); |
| ASSERT_TRUE(success_) << "remove_one4"; |
| BackendTransaction("remove_head4", 1, false); |
| ASSERT_TRUE(success_) << "remove_head4"; |
| } |
| |
| #if defined(OS_WIN) |
| // http://crbug.com/396392 |
| #define MAYBE_RecoverRemove DISABLED_RecoverRemove |
| #else |
| #define MAYBE_RecoverRemove RecoverRemove |
| #endif |
| TEST_F(DiskCacheBackendTest, MAYBE_RecoverRemove) { |
| BackendRecoverRemove(); |
| } |
| |
| #if defined(OS_WIN) |
| // http://crbug.com/396392 |
| #define MAYBE_NewEvictionRecoverRemove DISABLED_NewEvictionRecoverRemove |
| #else |
| #define MAYBE_NewEvictionRecoverRemove NewEvictionRecoverRemove |
| #endif |
| TEST_F(DiskCacheBackendTest, MAYBE_NewEvictionRecoverRemove) { |
| SetNewEviction(); |
| BackendRecoverRemove(); |
| } |
| |
| void DiskCacheBackendTest::BackendRecoverWithEviction() { |
| success_ = false; |
| ASSERT_TRUE(CopyTestCache("insert_load1")); |
| DisableFirstCleanup(); |
| |
| SetMask(0xf); |
| SetMaxSize(0x1000); |
| |
| // We should not crash here. |
| InitCache(); |
| DisableIntegrityCheck(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, RecoverWithEviction) { |
| BackendRecoverWithEviction(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionRecoverWithEviction) { |
| SetNewEviction(); |
| BackendRecoverWithEviction(); |
| } |
| |
| // Tests that the |BackendImpl| fails to start with the wrong cache version. |
| TEST_F(DiskCacheTest, WrongVersion) { |
| ASSERT_TRUE(CopyTestCache("wrong_version")); |
| net::TestCompletionCallback cb; |
| |
| std::unique_ptr<disk_cache::BackendImpl> cache( |
| std::make_unique<disk_cache::BackendImpl>(cache_path_, nullptr, nullptr, |
| nullptr)); |
| int rv = cache->Init(cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsError(net::ERR_FAILED)); |
| } |
| |
| // Tests that the disk cache successfully joins the control group, dropping the |
| // existing cache in favour of a new empty cache. |
| // Disabled on android since this test requires cache creator to create |
| // blockfile caches. |
| #if !defined(OS_ANDROID) |
| TEST_F(DiskCacheTest, SimpleCacheControlJoin) { |
| std::unique_ptr<disk_cache::BackendImpl> cache = |
| CreateExistingEntryCache(cache_path_); |
| ASSERT_TRUE(cache.get()); |
| cache.reset(); |
| |
| // Instantiate the SimpleCacheTrial, forcing this run into the |
| // ExperimentControl group. |
| base::FieldTrialList field_trial_list( |
| std::make_unique<base::MockEntropyProvider>()); |
| base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial", |
| "ExperimentControl"); |
| net::TestCompletionCallback cb; |
| std::unique_ptr<disk_cache::Backend> base_cache; |
| int rv = disk_cache::CreateCacheBackend( |
| net::DISK_CACHE, net::CACHE_BACKEND_BLOCKFILE, cache_path_, 0, true, NULL, |
| &base_cache, cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| EXPECT_EQ(0, base_cache->GetEntryCount()); |
| } |
| #endif |
| |
| // Tests that the disk cache can restart in the control group preserving |
| // existing entries. |
| TEST_F(DiskCacheTest, SimpleCacheControlRestart) { |
| // Instantiate the SimpleCacheTrial, forcing this run into the |
| // ExperimentControl group. |
| base::FieldTrialList field_trial_list( |
| std::make_unique<base::MockEntropyProvider>()); |
| base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial", |
| "ExperimentControl"); |
| |
| std::unique_ptr<disk_cache::BackendImpl> cache = |
| CreateExistingEntryCache(cache_path_); |
| ASSERT_TRUE(cache.get()); |
| |
| net::TestCompletionCallback cb; |
| |
| const int kRestartCount = 5; |
| for (int i = 0; i < kRestartCount; ++i) { |
| cache.reset( |
| new disk_cache::BackendImpl(cache_path_, nullptr, nullptr, nullptr)); |
| int rv = cache->Init(cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| EXPECT_EQ(1, cache->GetEntryCount()); |
| |
| disk_cache::Entry* entry = NULL; |
| rv = cache->OpenEntry(kExistingEntryKey, net::HIGHEST, &entry, |
| cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| EXPECT_NE(nullptr, entry); |
| entry->Close(); |
| } |
| } |
| |
| // Tests that the disk cache can leave the control group preserving existing |
| // entries. |
| TEST_F(DiskCacheTest, SimpleCacheControlLeave) { |
| { |
| // Instantiate the SimpleCacheTrial, forcing this run into the |
| // ExperimentControl group. |
| base::FieldTrialList field_trial_list( |
| std::make_unique<base::MockEntropyProvider>()); |
| base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial", |
| "ExperimentControl"); |
| |
| std::unique_ptr<disk_cache::BackendImpl> cache = |
| CreateExistingEntryCache(cache_path_); |
| ASSERT_TRUE(cache.get()); |
| } |
| |
| // Instantiate the SimpleCacheTrial, forcing this run into the |
| // ExperimentNo group. |
| base::FieldTrialList field_trial_list( |
| std::make_unique<base::MockEntropyProvider>()); |
| base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial", "ExperimentNo"); |
| net::TestCompletionCallback cb; |
| |
| const int kRestartCount = 5; |
| for (int i = 0; i < kRestartCount; ++i) { |
| std::unique_ptr<disk_cache::BackendImpl> cache( |
| std::make_unique<disk_cache::BackendImpl>(cache_path_, nullptr, nullptr, |
| nullptr)); |
| int rv = cache->Init(cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| EXPECT_EQ(1, cache->GetEntryCount()); |
| |
| disk_cache::Entry* entry = NULL; |
| rv = cache->OpenEntry(kExistingEntryKey, net::HIGHEST, &entry, |
| cb.callback()); |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| EXPECT_NE(nullptr, entry); |
| entry->Close(); |
| } |
| } |
| |
| // Tests that the cache is properly restarted on recovery error. |
| // Disabled on android since this test requires cache creator to create |
| // blockfile caches. |
| #if !defined(OS_ANDROID) |
| TEST_F(DiskCacheBackendTest, DeleteOld) { |
| ASSERT_TRUE(CopyTestCache("wrong_version")); |
| SetNewEviction(); |
| |
| net::TestCompletionCallback cb; |
| bool prev = base::ThreadRestrictions::SetIOAllowed(false); |
| base::FilePath path(cache_path_); |
| int rv = disk_cache::CreateCacheBackend(net::DISK_CACHE, |
| net::CACHE_BACKEND_BLOCKFILE, path, 0, |
| true, NULL, &cache_, cb.callback()); |
| path.clear(); // Make sure path was captured by the previous call. |
| ASSERT_THAT(cb.GetResult(rv), IsOk()); |
| base::ThreadRestrictions::SetIOAllowed(prev); |
| cache_.reset(); |
| EXPECT_TRUE(CheckCacheIntegrity(cache_path_, new_eviction_, /*max_size = */ 0, |
| mask_)); |
| } |
| #endif |
| |
| // We want to be able to deal with messed up entries on disk. |
| void DiskCacheBackendTest::BackendInvalidEntry2() { |
| ASSERT_TRUE(CopyTestCache("bad_entry")); |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| disk_cache::Entry *entry1, *entry2; |
| ASSERT_THAT(OpenEntry("the first key", &entry1), IsOk()); |
| EXPECT_NE(net::OK, OpenEntry("some other key", &entry2)); |
| entry1->Close(); |
| |
| // CheckCacheIntegrity will fail at this point. |
| DisableIntegrityCheck(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry2) { |
| BackendInvalidEntry2(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry2) { |
| SetNewEviction(); |
| BackendInvalidEntry2(); |
| } |
| |
| // Tests that we don't crash or hang when enumerating this cache. |
| void DiskCacheBackendTest::BackendInvalidEntry3() { |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| disk_cache::Entry* entry; |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| while (iter->OpenNextEntry(&entry) == net::OK) { |
| entry->Close(); |
| } |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry3) { |
| ASSERT_TRUE(CopyTestCache("dirty_entry3")); |
| BackendInvalidEntry3(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry3) { |
| ASSERT_TRUE(CopyTestCache("dirty_entry4")); |
| SetNewEviction(); |
| BackendInvalidEntry3(); |
| DisableIntegrityCheck(); |
| } |
| |
| // Test that we handle a dirty entry on the LRU list, already replaced with |
| // the same key, and with hash collisions. |
| TEST_F(DiskCacheBackendTest, InvalidEntry4) { |
| ASSERT_TRUE(CopyTestCache("dirty_entry3")); |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| TrimForTest(false); |
| } |
| |
| // Test that we handle a dirty entry on the deleted list, already replaced with |
| // the same key, and with hash collisions. |
| TEST_F(DiskCacheBackendTest, InvalidEntry5) { |
| ASSERT_TRUE(CopyTestCache("dirty_entry4")); |
| SetNewEviction(); |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| TrimDeletedListForTest(false); |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry6) { |
| ASSERT_TRUE(CopyTestCache("dirty_entry5")); |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| // There is a dirty entry (but marked as clean) at the end, pointing to a |
| // deleted entry through the hash collision list. We should not re-insert the |
| // deleted entry into the index table. |
| |
| TrimForTest(false); |
| // The cache should be clean (as detected by CheckCacheIntegrity). |
| } |
| |
| // Tests that we don't hang when there is a loop on the hash collision list. |
| // The test cache could be a result of bug 69135. |
| TEST_F(DiskCacheBackendTest, BadNextEntry1) { |
| ASSERT_TRUE(CopyTestCache("list_loop2")); |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| // The second entry points at itselft, and the first entry is not accessible |
| // though the index, but it is at the head of the LRU. |
| |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry("The first key", &entry), IsOk()); |
| entry->Close(); |
| |
| TrimForTest(false); |
| TrimForTest(false); |
| ASSERT_THAT(OpenEntry("The first key", &entry), IsOk()); |
| entry->Close(); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } |
| |
| // Tests that we don't hang when there is a loop on the hash collision list. |
| // The test cache could be a result of bug 69135. |
| TEST_F(DiskCacheBackendTest, BadNextEntry2) { |
| ASSERT_TRUE(CopyTestCache("list_loop3")); |
| SetMask(0x1); // 2-entry table. |
| SetMaxSize(0x3000); // 12 kB. |
| DisableFirstCleanup(); |
| InitCache(); |
| |
| // There is a wide loop of 5 entries. |
| |
| disk_cache::Entry* entry; |
| ASSERT_NE(net::OK, OpenEntry("Not present key", &entry)); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry6) { |
| ASSERT_TRUE(CopyTestCache("bad_rankings3")); |
| DisableFirstCleanup(); |
| SetNewEviction(); |
| InitCache(); |
| |
| // The second entry is dirty, but removing it should not corrupt the list. |
| disk_cache::Entry* entry; |
| ASSERT_NE(net::OK, OpenEntry("the second key", &entry)); |
| ASSERT_THAT(OpenEntry("the first key", &entry), IsOk()); |
| |
| // This should not delete the cache. |
| entry->Doom(); |
| FlushQueueForTest(); |
| entry->Close(); |
| |
| ASSERT_THAT(OpenEntry("some other key", &entry), IsOk()); |
| entry->Close(); |
| } |
| |
| // Tests handling of corrupt entries by keeping the rankings node around, with |
| // a fatal failure. |
| void DiskCacheBackendTest::BackendInvalidEntry7() { |
| const int kSize = 0x3000; // 12 kB. |
| SetMaxSize(kSize * 10); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| |
| // Corrupt this entry. |
| disk_cache::EntryImpl* entry_impl = |
| static_cast<disk_cache::EntryImpl*>(entry); |
| |
| entry_impl->rankings()->Data()->next = 0; |
| entry_impl->rankings()->Store(); |
| entry->Close(); |
| FlushQueueForTest(); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| |
| // This should detect the bad entry. |
| EXPECT_NE(net::OK, OpenEntry(second, &entry)); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| |
| // We should delete the cache. The list still has a corrupt node. |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| EXPECT_NE(net::OK, iter->OpenNextEntry(&entry)); |
| FlushQueueForTest(); |
| EXPECT_EQ(0, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry7) { |
| BackendInvalidEntry7(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry7) { |
| SetNewEviction(); |
| BackendInvalidEntry7(); |
| } |
| |
| // Tests handling of corrupt entries by keeping the rankings node around, with |
| // a non fatal failure. |
| void DiskCacheBackendTest::BackendInvalidEntry8() { |
| const int kSize = 0x3000; // 12 kB |
| SetMaxSize(kSize * 10); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| |
| // Corrupt this entry. |
| disk_cache::EntryImpl* entry_impl = |
| static_cast<disk_cache::EntryImpl*>(entry); |
| |
| entry_impl->rankings()->Data()->contents = 0; |
| entry_impl->rankings()->Store(); |
| entry->Close(); |
| FlushQueueForTest(); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| |
| // This should detect the bad entry. |
| EXPECT_NE(net::OK, OpenEntry(second, &entry)); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| |
| // We should not delete the cache. |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| ASSERT_THAT(iter->OpenNextEntry(&entry), IsOk()); |
| entry->Close(); |
| EXPECT_NE(net::OK, iter->OpenNextEntry(&entry)); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry8) { |
| BackendInvalidEntry8(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry8) { |
| SetNewEviction(); |
| BackendInvalidEntry8(); |
| } |
| |
| // Tests handling of corrupt entries detected by enumerations. Note that these |
| // tests (xx9 to xx11) are basically just going though slightly different |
| // codepaths so they are tighlty coupled with the code, but that is better than |
| // not testing error handling code. |
| void DiskCacheBackendTest::BackendInvalidEntry9(bool eviction) { |
| const int kSize = 0x3000; // 12 kB. |
| SetMaxSize(kSize * 10); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| |
| // Corrupt this entry. |
| disk_cache::EntryImpl* entry_impl = |
| static_cast<disk_cache::EntryImpl*>(entry); |
| |
| entry_impl->entry()->Data()->state = 0xbad; |
| entry_impl->entry()->Store(); |
| entry->Close(); |
| FlushQueueForTest(); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| |
| if (eviction) { |
| TrimForTest(false); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| TrimForTest(false); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } else { |
| // We should detect the problem through the list, but we should not delete |
| // the entry, just fail the iteration. |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| EXPECT_NE(net::OK, iter->OpenNextEntry(&entry)); |
| |
| // Now a full iteration will work, and return one entry. |
| ASSERT_THAT(iter->OpenNextEntry(&entry), IsOk()); |
| entry->Close(); |
| EXPECT_NE(net::OK, iter->OpenNextEntry(&entry)); |
| |
| // This should detect what's left of the bad entry. |
| EXPECT_NE(net::OK, OpenEntry(second, &entry)); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| } |
| DisableIntegrityCheck(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry9) { |
| BackendInvalidEntry9(false); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionInvalidEntry9) { |
| SetNewEviction(); |
| BackendInvalidEntry9(false); |
| } |
| |
| TEST_F(DiskCacheBackendTest, TrimInvalidEntry9) { |
| BackendInvalidEntry9(true); |
| } |
| |
| TEST_F(DiskCacheBackendTest, NewEvictionTrimInvalidEntry9) { |
| SetNewEviction(); |
| BackendInvalidEntry9(true); |
| } |
| |
| // Tests handling of corrupt entries detected by enumerations. |
| void DiskCacheBackendTest::BackendInvalidEntry10(bool eviction) { |
| const int kSize = 0x3000; // 12 kB. |
| SetMaxSize(kSize * 10); |
| SetNewEviction(); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry(first, &entry), IsOk()); |
| EXPECT_EQ(0, WriteData(entry, 0, 200, NULL, 0, false)); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| |
| // Corrupt this entry. |
| disk_cache::EntryImpl* entry_impl = |
| static_cast<disk_cache::EntryImpl*>(entry); |
| |
| entry_impl->entry()->Data()->state = 0xbad; |
| entry_impl->entry()->Store(); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("third", &entry), IsOk()); |
| entry->Close(); |
| EXPECT_EQ(3, cache_->GetEntryCount()); |
| |
| // We have: |
| // List 0: third -> second (bad). |
| // List 1: first. |
| |
| if (eviction) { |
| // Detection order: second -> first -> third. |
| TrimForTest(false); |
| EXPECT_EQ(3, cache_->GetEntryCount()); |
| TrimForTest(false); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| TrimForTest(false); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } else { |
| // Detection order: third -> second -> first. |
| // We should detect the problem through the list, but we should not delete |
| // the entry. |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| ASSERT_THAT(iter->OpenNextEntry(&entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(iter->OpenNextEntry(&entry), IsOk()); |
| EXPECT_EQ(first, entry->GetKey()); |
| entry->Close(); |
| EXPECT_NE(net::OK, iter->OpenNextEntry(&entry)); |
| } |
| DisableIntegrityCheck(); |
| } |
| |
| TEST_F(DiskCacheBackendTest, InvalidEntry10) { |
| BackendInvalidEntry10(false); |
| } |
| |
| TEST_F(DiskCacheBackendTest, TrimInvalidEntry10) { |
| BackendInvalidEntry10(true); |
| } |
| |
| // Tests handling of corrupt entries detected by enumerations. |
| void DiskCacheBackendTest::BackendInvalidEntry11(bool eviction) { |
| const int kSize = 0x3000; // 12 kB. |
| SetMaxSize(kSize * 10); |
| SetNewEviction(); |
| InitCache(); |
| |
| std::string first("some key"); |
| std::string second("something else"); |
| disk_cache::Entry* entry; |
| ASSERT_THAT(CreateEntry(first, &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry(first, &entry), IsOk()); |
| EXPECT_EQ(0, WriteData(entry, 0, 200, NULL, 0, false)); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry(second, &entry), IsOk()); |
| entry->Close(); |
| ASSERT_THAT(OpenEntry(second, &entry), IsOk()); |
| EXPECT_EQ(0, WriteData(entry, 0, 200, NULL, 0, false)); |
| |
| // Corrupt this entry. |
| disk_cache::EntryImpl* entry_impl = |
| static_cast<disk_cache::EntryImpl*>(entry); |
| |
| entry_impl->entry()->Data()->state = 0xbad; |
| entry_impl->entry()->Store(); |
| entry->Close(); |
| ASSERT_THAT(CreateEntry("third", &entry), IsOk()); |
| entry->Close(); |
| FlushQueueForTest(); |
| EXPECT_EQ(3, cache_->GetEntryCount()); |
| |
| // We have: |
| // List 0: third. |
| // List 1: second (bad) -> first. |
| |
| if (eviction) { |
| // Detection order: third -> first -> second. |
| TrimForTest(false); |
| EXPECT_EQ(2, cache_->GetEntryCount()); |
| TrimForTest(false); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| TrimForTest(false); |
| EXPECT_EQ(1, cache_->GetEntryCount()); |
| } else { |
| // Detection order: third -> second. |
| // We should detect the problem through the list, but we should not delete |
| // the entry, just fail the iteration. |
| std::unique_ptr<TestIterator> iter = CreateIterator(); |
| ASSERT_THAT(iter->OpenNextEntry(&entry), IsOk()); |
| entry->Close(); |
| EXPECT_NE(net::OK, iter->OpenNextEntry(&entry)); |
| |
| // Now a full iteration will work, and return two entries. |
|