upload android base code part3

android/art/runtime/gc/heap_test.cc

@@ -0,0 +1,93 @@
+/*
+ * 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 "class_linker-inl.h"
+#include "common_runtime_test.h"
+#include "gc/accounting/card_table-inl.h"
+#include "gc/accounting/space_bitmap-inl.h"
+#include "handle_scope-inl.h"
+#include "mirror/class-inl.h"
+#include "mirror/object-inl.h"
+#include "mirror/object_array-inl.h"
+#include "scoped_thread_state_change-inl.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
+
+    StackHandleScope<1> hs(soa.Self());
+    Handle<mirror::Class> c(
+        hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/Object;")));
+    for (size_t i = 0; i < 1024; ++i) {
+      StackHandleScope<1> hs2(soa.Self());
+      Handle<mirror::ObjectArray<mirror::Object>> array(hs2.NewHandle(
+          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!");
+        // handle scope operator -> deferences the handle scope before running the method.
+        array->Set<false>(j, string);
+      }
+    }
+  }
+  Runtime::Current()->GetHeap()->CollectGarbage(false);
+}
+
+TEST_F(HeapTest, HeapBitmapCapacityTest) {
+  uint8_t* heap_begin = reinterpret_cast<uint8_t*>(0x1000);
+  const size_t heap_capacity = kObjectAlignment * (sizeof(intptr_t) * 8 + 1);
+  std::unique_ptr<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);
+}
+
+TEST_F(HeapTest, DumpGCPerformanceOnShutdown) {
+  Runtime::Current()->GetHeap()->CollectGarbage(/* clear_soft_references */ false);
+  Runtime::Current()->SetDumpGCPerformanceOnShutdown(true);
+}
+
+class ZygoteHeapTest : public CommonRuntimeTest {
+  void SetUpRuntimeOptions(RuntimeOptions* options) {
+    CommonRuntimeTest::SetUpRuntimeOptions(options);
+    options->push_back(std::make_pair("-Xzygote", nullptr));
+  }
+};
+
+TEST_F(ZygoteHeapTest, PreZygoteFork) {
+  // Exercise Heap::PreZygoteFork() to check it does not crash.
+  Runtime::Current()->GetHeap()->PreZygoteFork();
+}
+
+}  // namespace gc
+}  // namespace art