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4f72291521
PR-URL: https://github.com/nodejs/node/pull/39945 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright 2021 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 "include/cppgc/liveness-broker.h"
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#include "include/cppgc/allocation.h"
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#include "include/cppgc/garbage-collected.h"
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#include "src/heap/cppgc/heap-object-header.h"
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#include "src/heap/cppgc/liveness-broker.h"
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#include "test/unittests/heap/cppgc/tests.h"
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namespace cppgc {
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namespace internal {
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namespace {
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using LivenessBrokerTest = testing::TestSupportingAllocationOnly;
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class GCed : public GarbageCollected<GCed> {
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public:
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void Trace(cppgc::Visitor*) const {}
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};
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} // namespace
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TEST_F(LivenessBrokerTest, IsHeapObjectAliveForConstPointer) {
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// Regression test: http://crbug.com/661363.
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GCed* object = MakeGarbageCollected<GCed>(GetAllocationHandle());
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HeapObjectHeader& header = HeapObjectHeader::FromObject(object);
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LivenessBroker broker = internal::LivenessBrokerFactory::Create();
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EXPECT_TRUE(header.TryMarkAtomic());
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EXPECT_TRUE(broker.IsHeapObjectAlive(object));
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const GCed* const_object = const_cast<const GCed*>(object);
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EXPECT_TRUE(broker.IsHeapObjectAlive(const_object));
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}
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TEST_F(LivenessBrokerTest, IsHeapObjectAliveNullptr) {
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GCed* object = nullptr;
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LivenessBroker broker = internal::LivenessBrokerFactory::Create();
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EXPECT_TRUE(broker.IsHeapObjectAlive(object));
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}
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} // namespace internal
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} // namespace cppgc
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