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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/web/blink.h"
#include "third_party/blink/renderer/platform/fonts/font_cache.h"
#include "third_party/blink/renderer/platform/heap/thread_state.h"
#include "third_party/blink/renderer/platform/scheduler/main_thread/main_thread_scheduler_impl.h"
#include "third_party/blink/renderer/platform/scheduler/public/main_thread_scheduler.h"
#include "third_party/blink/renderer/platform/wtf/wtf.h"
namespace blink::test {
TaskEnvironment::~TaskEnvironment() {
// Since `SimpleFontData` is associated with `v8::isolate`, it must be
// destroyed before `main_thread_isolate_.reset()`.
FontCache::Get().Invalidate();
// Run a full GC before resetting the main thread overrider. This ensures that
// we can properly clean up objects like PerformanceMonitor that need to call
// MainThreadImpl::RemoveTaskTimeObserver().
ThreadState::Current()->CollectAllGarbageForTesting();
RunUntilIdle();
main_thread_overrider_.reset();
main_thread_isolate_.reset();
scheduler_->Shutdown();
}
TaskEnvironment::TaskEnvironment(
base::test::TaskEnvironment&& scoped_task_environment)
: base::test::TaskEnvironment(std::move(scoped_task_environment)) {
CHECK(IsMainThread());
scheduler_ =
std::make_unique<scheduler::MainThreadSchedulerImpl>(sequence_manager());
DeferredInitFromSubclass(scheduler_->DefaultTaskRunner());
main_thread_isolate_.emplace();
main_thread_overrider_.emplace(scheduler_->CreateMainThread());
}
} // namespace blink::test
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