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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common_runtime_test.h"
#include "gc/accounting/card_table-inl.h"
#include "gc/accounting/space_bitmap-inl.h"
#include "mirror/class-inl.h"
#include "mirror/object-inl.h"
#include "mirror/object_array-inl.h"
#include "sirt_ref.h"
namespace art {
namespace gc {
class HeapTest : public CommonRuntimeTest {};
TEST_F(HeapTest, ClearGrowthLimit) {
Heap* heap = Runtime::Current()->GetHeap();
int64_t max_memory_before = heap->GetMaxMemory();
int64_t total_memory_before = heap->GetTotalMemory();
heap->ClearGrowthLimit();
int64_t max_memory_after = heap->GetMaxMemory();
int64_t total_memory_after = heap->GetTotalMemory();
EXPECT_GE(max_memory_after, max_memory_before);
EXPECT_GE(total_memory_after, total_memory_before);
}
TEST_F(HeapTest, GarbageCollectClassLinkerInit) {
{
ScopedObjectAccess soa(Thread::Current());
// garbage is created during ClassLinker::Init
SirtRef<mirror::Class> c(soa.Self(), class_linker_->FindSystemClass(soa.Self(),
"[Ljava/lang/Object;"));
for (size_t i = 0; i < 1024; ++i) {
SirtRef<mirror::ObjectArray<mirror::Object> > array(soa.Self(),
mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), c.get(), 2048));
for (size_t j = 0; j < 2048; ++j) {
mirror::String* string = mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!");
// SIRT operator -> deferences the SIRT before running the method.
array->Set<false>(j, string);
}
}
}
Runtime::Current()->GetHeap()->CollectGarbage(false);
}
TEST_F(HeapTest, HeapBitmapCapacityTest) {
byte* heap_begin = reinterpret_cast<byte*>(0x1000);
const size_t heap_capacity = kObjectAlignment * (sizeof(intptr_t) * 8 + 1);
UniquePtr<accounting::ContinuousSpaceBitmap> bitmap(
accounting::ContinuousSpaceBitmap::Create("test bitmap", heap_begin, heap_capacity));
mirror::Object* fake_end_of_heap_object =
reinterpret_cast<mirror::Object*>(&heap_begin[heap_capacity - kObjectAlignment]);
bitmap->Set(fake_end_of_heap_object);
}
} // namespace gc
} // namespace art