libdmabufheap: Create a test framework for BufferAllocator class

Bug: 154310076
Test: dmabufheap-unit-tests
Change-Id: Iaa503a2b1d00f91a0cfc3ef82eee572758348542
diff --git a/tests/dmabuf_heap_test.h b/tests/dmabuf_heap_test.h
new file mode 100644
index 0000000..abb11a8
--- /dev/null
+++ b/tests/dmabuf_heap_test.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include "BufferAllocator/BufferAllocator.h"
+
+#include <gtest/gtest.h>
+
+#include <memory>
+
+using ::testing::Test;
+
+class DmaBufHeapTest : public virtual Test {
+ public:
+    DmaBufHeapTest();
+    virtual ~DmaBufHeapTest(){}
+    std::unique_ptr<BufferAllocator> allocator;
+};