1 files changed, 71 insertions, 0 deletions
diff --git a/runtime/gc/heap_test.cc b/runtime/gc/heap_test.cc
new file mode 100644
index 0000000000..02708e8341
--- /dev/null
+++ b/runtime/gc/heap_test.cc
@@ -0,0 +1,71 @@
+/*
+ * 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_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 CommonTest {};
+
+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
+
+    mirror::Class* c = class_linker_->FindSystemClass("[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, 2048));
+      for (size_t j = 0; j < 2048; ++j) {
+        array->Set(j, mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello, world!"));
+      }
+    }
+  }
+  Runtime::Current()->GetHeap()->CollectGarbage(false);
+}
+
+TEST_F(HeapTest, HeapBitmapCapacityTest) {
+  byte* heap_begin = reinterpret_cast<byte*>(0x1000);
+  const size_t heap_capacity = accounting::SpaceBitmap::kAlignment * (sizeof(intptr_t) * 8 + 1);
+  UniquePtr<accounting::SpaceBitmap> bitmap(accounting::SpaceBitmap::Create("test bitmap",
+                                                                            heap_begin,
+                                                                            heap_capacity));
+  mirror::Object* fake_end_of_heap_object =
+      reinterpret_cast<mirror::Object*>(&heap_begin[heap_capacity -
+                                                    accounting::SpaceBitmap::kAlignment]);
+  bitmap->Set(fake_end_of_heap_object);
+}
+
+}  // namespace gc
+}  // namespace art