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