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100 lines
3.5 KiB
100 lines
3.5 KiB
4 months ago
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <sstream>
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#include "common_runtime_test.h"
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#include "handle_scope-inl.h"
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#include "mirror/class-alloc-inl.h"
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#include "mirror/class-inl.h"
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#include "reference_queue.h"
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#include "scoped_thread_state_change-inl.h"
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namespace art {
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namespace gc {
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class ReferenceQueueTest : public CommonRuntimeTest {};
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TEST_F(ReferenceQueueTest, EnqueueDequeue) {
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Thread* self = Thread::Current();
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ScopedObjectAccess soa(self);
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StackHandleScope<20> hs(self);
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Mutex lock("Reference queue lock");
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ReferenceQueue queue(&lock);
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ASSERT_TRUE(queue.IsEmpty());
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ASSERT_EQ(queue.GetLength(), 0U);
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auto ref_class = hs.NewHandle(
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Runtime::Current()->GetClassLinker()->FindClass(self, "Ljava/lang/ref/WeakReference;",
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ScopedNullHandle<mirror::ClassLoader>()));
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ASSERT_TRUE(ref_class != nullptr);
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auto ref1(hs.NewHandle(ref_class->AllocObject(self)->AsReference()));
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ASSERT_TRUE(ref1 != nullptr);
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auto ref2(hs.NewHandle(ref_class->AllocObject(self)->AsReference()));
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ASSERT_TRUE(ref2 != nullptr);
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queue.EnqueueReference(ref1.Get());
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ASSERT_TRUE(!queue.IsEmpty());
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ASSERT_EQ(queue.GetLength(), 1U);
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queue.EnqueueReference(ref2.Get());
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ASSERT_TRUE(!queue.IsEmpty());
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ASSERT_EQ(queue.GetLength(), 2U);
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std::set<mirror::Reference*> refs = {ref1.Get(), ref2.Get()};
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std::set<mirror::Reference*> dequeued;
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dequeued.insert(queue.DequeuePendingReference().Ptr());
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ASSERT_TRUE(!queue.IsEmpty());
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ASSERT_EQ(queue.GetLength(), 1U);
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dequeued.insert(queue.DequeuePendingReference().Ptr());
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ASSERT_EQ(queue.GetLength(), 0U);
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ASSERT_TRUE(queue.IsEmpty());
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ASSERT_EQ(refs, dequeued);
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}
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TEST_F(ReferenceQueueTest, Dump) {
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Thread* self = Thread::Current();
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ScopedObjectAccess soa(self);
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StackHandleScope<20> hs(self);
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Mutex lock("Reference queue lock");
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ReferenceQueue queue(&lock);
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std::ostringstream oss;
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queue.Dump(oss);
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LOG(INFO) << oss.str();
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auto weak_ref_class = hs.NewHandle(
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Runtime::Current()->GetClassLinker()->FindClass(self, "Ljava/lang/ref/WeakReference;",
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ScopedNullHandle<mirror::ClassLoader>()));
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ASSERT_TRUE(weak_ref_class != nullptr);
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auto finalizer_ref_class = hs.NewHandle(
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Runtime::Current()->GetClassLinker()->FindClass(self, "Ljava/lang/ref/FinalizerReference;",
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ScopedNullHandle<mirror::ClassLoader>()));
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ASSERT_TRUE(finalizer_ref_class != nullptr);
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auto ref1(hs.NewHandle(weak_ref_class->AllocObject(self)->AsReference()));
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ASSERT_TRUE(ref1 != nullptr);
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auto ref2(hs.NewHandle(finalizer_ref_class->AllocObject(self)->AsReference()));
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ASSERT_TRUE(ref2 != nullptr);
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queue.EnqueueReference(ref1.Get());
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oss.str("");
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queue.Dump(oss);
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LOG(INFO) << oss.str();
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queue.EnqueueReference(ref2.Get());
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oss.str("");
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queue.Dump(oss);
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LOG(INFO) << oss.str();
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}
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} // namespace gc
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} // namespace art
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