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a1d639ba5d
PR-URL: https://github.com/nodejs/node/pull/35415 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com>
99 lines
3.5 KiB
C++
99 lines
3.5 KiB
C++
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/heap/cppgc/gc-invoker.h"
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#include "include/cppgc/platform.h"
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#include "src/heap/cppgc/heap.h"
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#include "testing/gmock/include/gmock/gmock-matchers.h"
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#include "testing/gmock/include/gmock/gmock.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace cppgc {
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namespace internal {
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namespace {
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class MockGarbageCollector : public GarbageCollector {
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public:
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MOCK_METHOD(void, CollectGarbage, (GarbageCollector::Config), (override));
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MOCK_METHOD(size_t, epoch, (), (const, override));
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};
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class MockTaskRunner : public cppgc::TaskRunner {
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public:
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MOCK_METHOD(void, PostTask, (std::unique_ptr<cppgc::Task>), (override));
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MOCK_METHOD(void, PostNonNestableTask, (std::unique_ptr<cppgc::Task>),
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(override));
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MOCK_METHOD(void, PostDelayedTask, (std::unique_ptr<cppgc::Task>, double),
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(override));
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MOCK_METHOD(void, PostNonNestableDelayedTask,
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(std::unique_ptr<cppgc::Task>, double), (override));
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MOCK_METHOD(void, PostIdleTask, (std::unique_ptr<cppgc::IdleTask>),
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(override));
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virtual bool IdleTasksEnabled() override { return true; } // NOLINT
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bool NonNestableTasksEnabled() const override { return true; } // NOLINT
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virtual bool NonNestableDelayedTasksEnabled() const override { // NOLINT
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return true;
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}
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};
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class MockPlatform : public cppgc::Platform {
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public:
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explicit MockPlatform(std::shared_ptr<TaskRunner> runner)
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: runner_(std::move(runner)) {}
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PageAllocator* GetPageAllocator() override { return nullptr; }
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double MonotonicallyIncreasingTime() override { return 0.0; }
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std::shared_ptr<TaskRunner> GetForegroundTaskRunner() override {
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return runner_;
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}
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private:
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std::shared_ptr<TaskRunner> runner_;
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};
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} // namespace
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TEST(GCInvokerTest, PrecideGCIsInvokedSynchronously) {
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MockPlatform platform(nullptr);
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MockGarbageCollector gc;
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GCInvoker invoker(&gc, &platform,
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cppgc::Heap::StackSupport::kNoConservativeStackScan);
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EXPECT_CALL(gc, CollectGarbage(::testing::Field(
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&GarbageCollector::Config::stack_state,
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GarbageCollector::Config::StackState::kNoHeapPointers)));
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invoker.CollectGarbage(GarbageCollector::Config::PreciseAtomicConfig());
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}
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TEST(GCInvokerTest, ConservativeGCIsInvokedSynchronouslyWhenSupported) {
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MockPlatform platform(nullptr);
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MockGarbageCollector gc;
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GCInvoker invoker(&gc, &platform,
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cppgc::Heap::StackSupport::kSupportsConservativeStackScan);
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EXPECT_CALL(
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gc, CollectGarbage(::testing::Field(
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&GarbageCollector::Config::stack_state,
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GarbageCollector::Config::StackState::kMayContainHeapPointers)));
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invoker.CollectGarbage(GarbageCollector::Config::ConservativeAtomicConfig());
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}
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TEST(GCInvokerTest, ConservativeGCIsInvokedAsPreciseGCViaPlatform) {
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std::shared_ptr<cppgc::TaskRunner> runner =
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std::shared_ptr<cppgc::TaskRunner>(new MockTaskRunner());
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MockPlatform platform(runner);
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MockGarbageCollector gc;
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GCInvoker invoker(&gc, &platform,
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cppgc::Heap::StackSupport::kNoConservativeStackScan);
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EXPECT_CALL(gc, epoch).WillOnce(::testing::Return(0));
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EXPECT_CALL(*static_cast<MockTaskRunner*>(runner.get()),
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PostNonNestableTask(::testing::_));
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invoker.CollectGarbage(GarbageCollector::Config::ConservativeAtomicConfig());
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}
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} // namespace internal
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} // namespace cppgc
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