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Kmake/deps/v8/test/cctest/heap/test-concurrent-marking.cc
2026-05-26 23:36:42 -07:00

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C++

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdlib.h>
#include "src/heap/concurrent-marking.h"
#include "src/heap/heap.h"
#include "test/cctest/cctest.h"
#include "test/cctest/heap/heap-utils.h"
namespace v8::internal::heap {
TEST(ConcurrentMarkingMarkedBytes) {
if (!v8_flags.incremental_marking) return;
if (!i::v8_flags.concurrent_marking) return;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
Heap* heap = CcTest::heap();
HandleScope sc(isolate);
DirectHandle<FixedArray> root = isolate->factory()->NewFixedArray(1000000);
heap::InvokeMajorGC(heap);
if (!heap->incremental_marking()->IsStopped()) return;
// Store array in Global such that it is part of the root set when
// starting incremental marking.
v8::Global<Value> global_root(CcTest::isolate(),
Utils::ToLocal(Cast<Object>(root)));
heap::SimulateIncrementalMarking(heap, false);
// Ensure that objects are published to the global marking worklist such that
// the concurrent markers can pick it up.
heap->mark_compact_collector()->local_marking_worklists()->Publish();
heap->concurrent_marking()->JoinJobForTesting();
CHECK_GE(heap->concurrent_marking()->TotalMarkedBytes(), root->Size());
}
UNINITIALIZED_TEST(ConcurrentMarkingStoppedOnTeardown) {
if (!v8_flags.incremental_marking) return;
if (!i::v8_flags.concurrent_marking) return;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
Isolate* i_isolate = reinterpret_cast<Isolate*>(isolate);
Factory* factory = i_isolate->factory();
v8::Isolate::Scope isolate_scope(isolate);
v8::HandleScope handle_scope(isolate);
v8::Context::New(isolate)->Enter();
for (int i = 0; i < 10000; i++) {
factory->NewJSWeakMap();
}
Heap* heap = i_isolate->heap();
heap::SimulateIncrementalMarking(heap, false);
}
isolate->Dispose();
}
} // namespace v8::internal::heap