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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/test/transfer_cache_test_helper.h"
#include <memory>
#include <utility>
#include "base/check.h"
#include "base/containers/contains.h"
#include "base/containers/heap_array.h"
#include "base/containers/span.h"
namespace cc {
TransferCacheTestHelper::TransferCacheTestHelper(GrDirectContext* context)
: context_(context) {
if (!context_) {
owned_context_ = GrDirectContext::MakeMock(nullptr);
context_ = owned_context_.get();
}
}
TransferCacheTestHelper::~TransferCacheTestHelper() = default;
bool TransferCacheTestHelper::LockEntryDirect(const EntryKey& key) {
return LockEntryInternal(key);
}
void TransferCacheTestHelper::CreateEntryDirect(const EntryKey& key,
base::span<uint8_t> data) {
// Deserialize into a service transfer cache entry.
std::unique_ptr<ServiceTransferCacheEntry> service_entry =
ServiceTransferCacheEntry::Create(key.first);
if (!service_entry)
return;
bool success =
service_entry->Deserialize(context_, /*graphite_recorder=*/nullptr, data);
if (!success)
return;
last_added_entry_ = key;
// Put things into the cache.
entries_.emplace(key, std::move(service_entry));
locked_entries_.insert(key);
EnforceLimits();
}
void TransferCacheTestHelper::CreateLocalEntry(
uint32_t id,
std::unique_ptr<ServiceTransferCacheEntry> entry) {
auto key = std::make_pair(entry->Type(), id);
DeleteEntryDirect(key);
entries_[key] = std::move(entry);
local_entries_.insert(key);
last_added_entry_ = key;
}
void TransferCacheTestHelper::UnlockEntriesDirect(
const std::vector<EntryKey>& keys) {
for (const auto& key : keys) {
locked_entries_.erase(key);
}
EnforceLimits();
}
void TransferCacheTestHelper::DeleteEntryDirect(const EntryKey& key) {
locked_entries_.erase(key);
local_entries_.erase(key);
entries_.erase(key);
}
void TransferCacheTestHelper::SetGrContext(GrDirectContext* context) {
context_ = context;
}
void TransferCacheTestHelper::SetCachedItemsLimit(size_t limit) {
cached_items_limit_ = limit;
EnforceLimits();
}
ServiceTransferCacheEntry* TransferCacheTestHelper::GetEntryInternal(
TransferCacheEntryType type,
uint32_t id) {
auto key = std::make_pair(type, id);
if (locked_entries_.count(key) + local_entries_.count(key) == 0) {
return nullptr;
}
if (!base::Contains(entries_, key)) {
return nullptr;
}
return entries_[key].get();
}
bool TransferCacheTestHelper::LockEntryInternal(const EntryKey& key) {
if (!base::Contains(entries_, key)) {
return false;
}
locked_entries_.insert(key);
EnforceLimits();
return true;
}
uint32_t TransferCacheTestHelper::CreateEntryInternal(
const ClientTransferCacheEntry& client_entry,
uint8_t* memory) {
auto key = std::make_pair(client_entry.Type(), client_entry.Id());
DCHECK(!base::Contains(entries_, key));
// Serialize data.
uint32_t size = client_entry.SerializedSize();
auto data = base::HeapArray<uint8_t>::Uninit(size);
auto span = base::span(data);
bool success = client_entry.Serialize(span);
DCHECK(success);
CreateEntryDirect(key, span);
return 0u;
}
void TransferCacheTestHelper::FlushEntriesInternal(std::set<EntryKey> keys) {
for (auto& key : keys)
locked_entries_.erase(key);
EnforceLimits();
}
void TransferCacheTestHelper::EnforceLimits() {
for (auto it = entries_.begin(); it != entries_.end();) {
if (entries_.size() <= cached_items_limit_)
break;
auto found = locked_entries_.find(it->first);
if (found == locked_entries_.end()) {
it = entries_.erase(it);
} else {
++it;
}
}
}
} // namespace cc
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