chromium/third_party/blink/renderer/platform/heap/heap_test_utilities.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_HEAP_TEST_UTILITIES_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_HEAP_TEST_UTILITIES_H_

#include "base/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/heap/thread_state.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "v8/include/cppgc/testing.h"
#include "v8/include/v8.h"
#include "v8/include/v8-cppgc.h"

namespace blink {

// Allows for overriding the stack state for the purpose of testing. Any garbage
// collection calls scoped with `HeapPointersOnStackScope` will perform
// conservative stack scanning, even if other (more local) hints indicate that
// there's no need for it.
class HeapPointersOnStackScope final { … };

class TestSupportingGC : public testing::Test { … };

// Test driver for compaction.
class CompactionTestDriver { … };

// Test driver for incremental marking. Assumes that no stack handling is
// required.
class IncrementalMarkingTestDriver { … };

// Test driver for concurrent marking. Assumes that no stack handling is
// required.
class ConcurrentMarkingTestDriver : public IncrementalMarkingTestDriver { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_HEAP_TEST_UTILITIES_H_