| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "class_linker-inl.h" |
| #include "common_runtime_test.h" |
| #include "gc/accounting/card_table-inl.h" |
| #include "gc/accounting/space_bitmap-inl.h" |
| #include "handle_scope-inl.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/object-inl.h" |
| #include "mirror/object_array-alloc-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "scoped_thread_state_change-inl.h" |
| |
| namespace art { |
| namespace gc { |
| |
| class HeapTest : public CommonRuntimeTest { |
| public: |
| void SetUp() override { |
| MemMap::Init(); |
| std::string error_msg; |
| // Reserve the preferred address to force the heap to use another one for testing. |
| reserved_ = MemMap::MapAnonymous("ReserveMap", |
| gc::Heap::kPreferredAllocSpaceBegin, |
| 16 * KB, |
| PROT_READ, |
| /*low_4gb=*/ true, |
| /*reuse=*/ false, |
| /*reservation=*/ nullptr, |
| &error_msg); |
| // There is no guarantee that reserved_ will be valid (due to ASLR). See b/175018342. |
| CommonRuntimeTest::SetUp(); |
| } |
| |
| private: |
| MemMap reserved_; |
| }; |
| |
| TEST_F(HeapTest, ClearGrowthLimit) { |
| Heap* heap = Runtime::Current()->GetHeap(); |
| int64_t max_memory_before = heap->GetMaxMemory(); |
| int64_t total_memory_before = heap->GetTotalMemory(); |
| heap->ClearGrowthLimit(); |
| int64_t max_memory_after = heap->GetMaxMemory(); |
| int64_t total_memory_after = heap->GetTotalMemory(); |
| EXPECT_GE(max_memory_after, max_memory_before); |
| EXPECT_GE(total_memory_after, total_memory_before); |
| } |
| |
| TEST_F(HeapTest, GarbageCollectClassLinkerInit) { |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| // garbage is created during ClassLinker::Init |
| |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::Class> c( |
| hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/Object;"))); |
| for (size_t i = 0; i < 1024; ++i) { |
| StackHandleScope<1> hs2(soa.Self()); |
| Handle<mirror::ObjectArray<mirror::Object>> array(hs2.NewHandle( |
| mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), c.Get(), 2048))); |
| for (size_t j = 0; j < 2048; ++j) { |
| ObjPtr<mirror::String> string = |
| mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!"); |
| // handle scope operator -> deferences the handle scope before running the method. |
| array->Set<false>(j, string); |
| } |
| } |
| } |
| Runtime::Current()->GetHeap()->CollectGarbage(/* clear_soft_references= */ false); |
| } |
| |
| TEST_F(HeapTest, HeapBitmapCapacityTest) { |
| uint8_t* heap_begin = reinterpret_cast<uint8_t*>(0x1000); |
| const size_t heap_capacity = kObjectAlignment * (sizeof(intptr_t) * 8 + 1); |
| accounting::ContinuousSpaceBitmap bitmap( |
| accounting::ContinuousSpaceBitmap::Create("test bitmap", heap_begin, heap_capacity)); |
| mirror::Object* fake_end_of_heap_object = |
| reinterpret_cast<mirror::Object*>(&heap_begin[heap_capacity - kObjectAlignment]); |
| bitmap.Set(fake_end_of_heap_object); |
| } |
| |
| TEST_F(HeapTest, DumpGCPerformanceOnShutdown) { |
| Runtime::Current()->GetHeap()->CollectGarbage(/* clear_soft_references= */ false); |
| Runtime::Current()->SetDumpGCPerformanceOnShutdown(true); |
| } |
| |
| class ZygoteHeapTest : public CommonRuntimeTest { |
| void SetUpRuntimeOptions(RuntimeOptions* options) override { |
| CommonRuntimeTest::SetUpRuntimeOptions(options); |
| options->push_back(std::make_pair("-Xzygote", nullptr)); |
| } |
| }; |
| |
| TEST_F(ZygoteHeapTest, PreZygoteFork) { |
| // Exercise Heap::PreZygoteFork() to check it does not crash. |
| Runtime::Current()->GetHeap()->PreZygoteFork(); |
| } |
| |
| } // namespace gc |
| } // namespace art |