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
TEST_F(HeapTest,ClearGrowthLimit)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
TEST_F(HeapTest,GarbageCollectClassLinkerInit)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
TEST_F(HeapTest,HeapBitmapCapacityTest)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