/* * 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-inl.h" #include "scoped_thread_state_change-inl.h" namespace art { namespace gc { class HeapTest : public CommonRuntimeTest {}; 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) { 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(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); std::unique_ptr<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) { 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