1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "class_linker-inl.h" 18 #include "common_runtime_test.h" 19 #include "gc/accounting/card_table-inl.h" 20 #include "gc/accounting/space_bitmap-inl.h" 21 #include "handle_scope-inl.h" 22 #include "mirror/class-inl.h" 23 #include "mirror/object-inl.h" 24 #include "mirror/object_array-inl.h" 25 #include "scoped_thread_state_change.h" 26 27 namespace art { 28 namespace gc { 29 30 class HeapTest : public CommonRuntimeTest {}; 31 32 TEST_F(HeapTest, ClearGrowthLimit) { 33 Heap* heap = Runtime::Current()->GetHeap(); 34 int64_t max_memory_before = heap->GetMaxMemory(); 35 int64_t total_memory_before = heap->GetTotalMemory(); 36 heap->ClearGrowthLimit(); 37 int64_t max_memory_after = heap->GetMaxMemory(); 38 int64_t total_memory_after = heap->GetTotalMemory(); 39 EXPECT_GE(max_memory_after, max_memory_before); 40 EXPECT_GE(total_memory_after, total_memory_before); 41 } 42 43 TEST_F(HeapTest, GarbageCollectClassLinkerInit) { 44 { 45 ScopedObjectAccess soa(Thread::Current()); 46 // garbage is created during ClassLinker::Init 47 48 StackHandleScope<1> hs(soa.Self()); 49 Handle<mirror::Class> c( 50 hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/Object;"))); 51 for (size_t i = 0; i < 1024; ++i) { 52 StackHandleScope<1> hs2(soa.Self()); 53 Handle<mirror::ObjectArray<mirror::Object>> array(hs2.NewHandle( 54 mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), c.Get(), 2048))); 55 for (size_t j = 0; j < 2048; ++j) { 56 mirror::String* string = mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!"); 57 // handle scope operator -> deferences the handle scope before running the method. 58 array->Set<false>(j, string); 59 } 60 } 61 } 62 Runtime::Current()->GetHeap()->CollectGarbage(false); 63 } 64 65 TEST_F(HeapTest, HeapBitmapCapacityTest) { 66 uint8_t* heap_begin = reinterpret_cast<uint8_t*>(0x1000); 67 const size_t heap_capacity = kObjectAlignment * (sizeof(intptr_t) * 8 + 1); 68 std::unique_ptr<accounting::ContinuousSpaceBitmap> bitmap( 69 accounting::ContinuousSpaceBitmap::Create("test bitmap", heap_begin, heap_capacity)); 70 mirror::Object* fake_end_of_heap_object = 71 reinterpret_cast<mirror::Object*>(&heap_begin[heap_capacity - kObjectAlignment]); 72 bitmap->Set(fake_end_of_heap_object); 73 } 74 75 class ZygoteHeapTest : public CommonRuntimeTest { 76 void SetUpRuntimeOptions(RuntimeOptions* options) { 77 CommonRuntimeTest::SetUpRuntimeOptions(options); 78 options->push_back(std::make_pair("-Xzygote", nullptr)); 79 } 80 }; 81 82 TEST_F(ZygoteHeapTest, PreZygoteFork) { 83 // Exercise Heap::PreZygoteFork() to check it does not crash. 84 Runtime::Current()->GetHeap()->PreZygoteFork(); 85 } 86 87 } // namespace gc 88 } // namespace art 89
