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 "common_runtime_test.h" 18 #include "gc/accounting/card_table-inl.h" 19 #include "gc/accounting/space_bitmap-inl.h" 20 #include "handle_scope-inl.h" 21 #include "mirror/class-inl.h" 22 #include "mirror/object-inl.h" 23 #include "mirror/object_array-inl.h" 24 #include "scoped_thread_state_change.h" 25 26 namespace art { 27 namespace gc { 28 29 class HeapTest : public CommonRuntimeTest {}; 30 31 TEST_F(HeapTest, ClearGrowthLimit) { 32 Heap* heap = Runtime::Current()->GetHeap(); 33 int64_t max_memory_before = heap->GetMaxMemory(); 34 int64_t total_memory_before = heap->GetTotalMemory(); 35 heap->ClearGrowthLimit(); 36 int64_t max_memory_after = heap->GetMaxMemory(); 37 int64_t total_memory_after = heap->GetTotalMemory(); 38 EXPECT_GE(max_memory_after, max_memory_before); 39 EXPECT_GE(total_memory_after, total_memory_before); 40 } 41 42 TEST_F(HeapTest, GarbageCollectClassLinkerInit) { 43 { 44 ScopedObjectAccess soa(Thread::Current()); 45 // garbage is created during ClassLinker::Init 46 47 StackHandleScope<1> hs(soa.Self()); 48 Handle<mirror::Class> c( 49 hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/Object;"))); 50 for (size_t i = 0; i < 1024; ++i) { 51 StackHandleScope<1> hs(soa.Self()); 52 Handle<mirror::ObjectArray<mirror::Object>> array(hs.NewHandle( 53 mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), c.Get(), 2048))); 54 for (size_t j = 0; j < 2048; ++j) { 55 mirror::String* string = mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!"); 56 // handle scope operator -> deferences the handle scope before running the method. 57 array->Set<false>(j, string); 58 } 59 } 60 } 61 Runtime::Current()->GetHeap()->CollectGarbage(false); 62 } 63 64 TEST_F(HeapTest, HeapBitmapCapacityTest) { 65 byte* heap_begin = reinterpret_cast<byte*>(0x1000); 66 const size_t heap_capacity = kObjectAlignment * (sizeof(intptr_t) * 8 + 1); 67 std::unique_ptr<accounting::ContinuousSpaceBitmap> bitmap( 68 accounting::ContinuousSpaceBitmap::Create("test bitmap", heap_begin, heap_capacity)); 69 mirror::Object* fake_end_of_heap_object = 70 reinterpret_cast<mirror::Object*>(&heap_begin[heap_capacity - kObjectAlignment]); 71 bitmap->Set(fake_end_of_heap_object); 72 } 73 74 } // namespace gc 75 } // namespace art 76
