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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/scheduler/browser_ui_thread_scheduler.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/feature_list.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool/thread_pool_instance.h"
#include "base/test/mock_callback.h"
#include "content/public/browser/browser_thread.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
using StrictMockTask =
testing::StrictMock<base::MockCallback<base::RepeatingCallback<void()>>>;
base::OnceClosure RunOnDestruction(base::OnceClosure task) {
return base::BindOnce(
[](std::unique_ptr<base::ScopedClosureRunner>) {},
std::make_unique<base::ScopedClosureRunner>(std::move(task)));
}
base::OnceClosure PostOnDestruction(
scoped_refptr<base::SingleThreadTaskRunner> task_queue,
base::OnceClosure task) {
return RunOnDestruction(base::BindOnce(
[](base::OnceClosure task,
scoped_refptr<base::SingleThreadTaskRunner> task_queue) {
task_queue->PostTask(FROM_HERE, std::move(task));
},
std::move(task), task_queue));
}
TEST(BrowserUIThreadSchedulerTest, DestructorPostChainDuringShutdown) {
auto browser_ui_thread_scheduler_ =
std::make_unique<BrowserUIThreadScheduler>();
browser_ui_thread_scheduler_->GetHandle()->OnStartupComplete();
auto task_queue =
browser_ui_thread_scheduler_->GetHandle()->GetBrowserTaskRunner(
BrowserUIThreadScheduler::QueueType::kDefault);
bool run = false;
task_queue->PostTask(
FROM_HERE,
PostOnDestruction(
task_queue,
PostOnDestruction(task_queue,
RunOnDestruction(base::BindOnce(
[](bool* run) { *run = true; }, &run)))));
EXPECT_FALSE(run);
browser_ui_thread_scheduler_.reset();
EXPECT_TRUE(run);
}
} // namespace
} // namespace content
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