116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "class_linker-inl.h"
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#include "common_runtime_test.h"
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#include "gc/accounting/card_table-inl.h"
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#include "gc/accounting/space_bitmap-inl.h"
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#include "handle_scope-inl.h"
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#include "mirror/class-inl.h"
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#include "mirror/object-inl.h"
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#include "mirror/object_array-alloc-inl.h"
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#include "mirror/object_array-inl.h"
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#include "scoped_thread_state_change-inl.h"
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namespace art {
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namespace gc {
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class HeapTest : public CommonRuntimeTest {
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public:
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void SetUp() override {
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MemMap::Init();
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std::string error_msg;
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// Reserve the preferred address to force the heap to use another one for testing.
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reserved_ = MemMap::MapAnonymous("ReserveMap",
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gc::Heap::kPreferredAllocSpaceBegin,
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16 * KB,
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PROT_READ,
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/*low_4gb=*/ true,
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/*reuse=*/ false,
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/*reservation=*/ nullptr,
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&error_msg);
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// There is no guarantee that reserved_ will be valid (due to ASLR). See b/175018342.
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CommonRuntimeTest::SetUp();
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}
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private:
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MemMap reserved_;
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};
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TEST_F(HeapTest, ClearGrowthLimit) {
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Heap* heap = Runtime::Current()->GetHeap();
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int64_t max_memory_before = heap->GetMaxMemory();
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int64_t total_memory_before = heap->GetTotalMemory();
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heap->ClearGrowthLimit();
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int64_t max_memory_after = heap->GetMaxMemory();
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int64_t total_memory_after = heap->GetTotalMemory();
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EXPECT_GE(max_memory_after, max_memory_before);
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EXPECT_GE(total_memory_after, total_memory_before);
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}
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TEST_F(HeapTest, GarbageCollectClassLinkerInit) {
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{
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ScopedObjectAccess soa(Thread::Current());
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// garbage is created during ClassLinker::Init
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StackHandleScope<1> hs(soa.Self());
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Handle<mirror::Class> c(
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hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/Object;")));
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for (size_t i = 0; i < 1024; ++i) {
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StackHandleScope<1> hs2(soa.Self());
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Handle<mirror::ObjectArray<mirror::Object>> array(hs2.NewHandle(
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mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), c.Get(), 2048)));
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for (size_t j = 0; j < 2048; ++j) {
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ObjPtr<mirror::String> string =
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mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!");
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// handle scope operator -> deferences the handle scope before running the method.
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array->Set<false>(j, string);
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}
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}
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}
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Runtime::Current()->GetHeap()->CollectGarbage(/* clear_soft_references= */ false);
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}
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TEST_F(HeapTest, HeapBitmapCapacityTest) {
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uint8_t* heap_begin = reinterpret_cast<uint8_t*>(0x1000);
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const size_t heap_capacity = kObjectAlignment * (sizeof(intptr_t) * 8 + 1);
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accounting::ContinuousSpaceBitmap bitmap(
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accounting::ContinuousSpaceBitmap::Create("test bitmap", heap_begin, heap_capacity));
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mirror::Object* fake_end_of_heap_object =
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reinterpret_cast<mirror::Object*>(&heap_begin[heap_capacity - kObjectAlignment]);
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bitmap.Set(fake_end_of_heap_object);
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}
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TEST_F(HeapTest, DumpGCPerformanceOnShutdown) {
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Runtime::Current()->GetHeap()->CollectGarbage(/* clear_soft_references= */ false);
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Runtime::Current()->SetDumpGCPerformanceOnShutdown(true);
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}
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class ZygoteHeapTest : public CommonRuntimeTest {
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void SetUpRuntimeOptions(RuntimeOptions* options) override {
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CommonRuntimeTest::SetUpRuntimeOptions(options);
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options->push_back(std::make_pair("-Xzygote", nullptr));
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}
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};
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TEST_F(ZygoteHeapTest, PreZygoteFork) {
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// Exercise Heap::PreZygoteFork() to check it does not crash.
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Runtime::Current()->GetHeap()->PreZygoteFork();
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}
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} // namespace gc
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} // namespace art
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