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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/task/sequence_manager/test/sequence_manager_for_test.h"
#include "base/task/sequence_manager/thread_controller_impl.h"
namespace base::sequence_manager {
namespace {
class ThreadControllerForTest : public internal::ThreadControllerImpl {
public:
ThreadControllerForTest(
internal::SequenceManagerImpl* funneled_sequence_manager,
scoped_refptr<SingleThreadTaskRunner> task_runner,
const TickClock* time_source)
: ThreadControllerImpl(funneled_sequence_manager,
std::move(task_runner),
time_source) {}
void AddNestingObserver(RunLoop::NestingObserver* observer) override {
if (!funneled_sequence_manager_) {
return;
}
ThreadControllerImpl::AddNestingObserver(observer);
}
void RemoveNestingObserver(RunLoop::NestingObserver* observer) override {
if (!funneled_sequence_manager_) {
return;
}
ThreadControllerImpl::RemoveNestingObserver(observer);
}
~ThreadControllerForTest() override = default;
};
} // namespace
SequenceManagerForTest::SequenceManagerForTest(
std::unique_ptr<internal::ThreadController> thread_controller,
SequenceManager::Settings settings)
: SequenceManagerImpl(std::move(thread_controller), std::move(settings)) {}
// static
std::unique_ptr<SequenceManagerForTest> SequenceManagerForTest::Create(
SequenceManagerImpl* funneled_sequence_manager,
scoped_refptr<SingleThreadTaskRunner> task_runner,
const TickClock* clock,
SequenceManager::Settings settings) {
settings.clock = clock;
std::unique_ptr<SequenceManagerForTest> manager(new SequenceManagerForTest(
std::make_unique<ThreadControllerForTest>(funneled_sequence_manager,
std::move(task_runner), clock),
std::move(settings)));
manager->BindToCurrentThread();
return manager;
}
// static
std::unique_ptr<SequenceManagerForTest> SequenceManagerForTest::Create(
std::unique_ptr<internal::ThreadController> thread_controller,
SequenceManager::Settings settings) {
std::unique_ptr<SequenceManagerForTest> manager(new SequenceManagerForTest(
std::move(thread_controller), std::move(settings)));
manager->BindToCurrentThread();
return manager;
}
// static
std::unique_ptr<SequenceManagerForTest>
SequenceManagerForTest::CreateOnCurrentThread(
SequenceManager::Settings settings) {
const auto* clock = settings.clock.get();
return Create(CreateThreadControllerImplForCurrentThread(clock),
std::move(settings));
}
size_t SequenceManagerForTest::ActiveQueuesCount() const {
return main_thread_only().active_queues.size();
}
bool SequenceManagerForTest::HasImmediateWork() const {
return main_thread_only().selector.GetHighestPendingPriority().has_value();
}
size_t SequenceManagerForTest::PendingTasksCount() const {
size_t task_count = 0;
for (internal::TaskQueueImpl* const queue :
main_thread_only().active_queues) {
task_count += queue->GetNumberOfPendingTasks();
}
return task_count;
}
size_t SequenceManagerForTest::QueuesToDeleteCount() const {
return main_thread_only().queues_to_delete.size();
}
} // namespace base::sequence_manager
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