IVGCVSW-3030 Add a mock backend for unit testing

 * Added a mock implementation of an ArmNN backend for unit
   testing
 * Implemented a mock version of OptimizeSubgraphView
 * Fixed a typo in the Optimization API

Change-Id: Ic7acf7cc5c2a76a918e94cdc356baae7c7597a6d
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/backends/backendsCommon/test/MockBackend.hpp b/src/backends/backendsCommon/test/MockBackend.hpp
new file mode 100644
index 0000000000..d0a3de8682
--- /dev/null
+++ b/src/backends/backendsCommon/test/MockBackend.hpp
@@ -0,0 +1,36 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/IBackendInternal.hpp>
+#include <backendsCommon/OptimizationViews.hpp>
+
+namespace armnn
+{
+
+class MockBackend : public IBackendInternal
+{
+public:
+    MockBackend()  = default;
+    ~MockBackend() = default;
+
+    static const BackendId& GetIdStatic();
+    const BackendId& GetId() const override { return GetIdStatic(); }
+
+    IBackendInternal::IMemoryManagerUniquePtr CreateMemoryManager() const override;
+
+    IBackendInternal::IWorkloadFactoryPtr CreateWorkloadFactory(
+        const IBackendInternal::IMemoryManagerSharedPtr& memoryManager = nullptr) const override;
+
+    IBackendInternal::IBackendContextPtr CreateBackendContext(const IRuntime::CreationOptions&) const override;
+
+    IBackendInternal::Optimizations GetOptimizations() const override;
+    IBackendInternal::ILayerSupportSharedPtr GetLayerSupport() const override;
+
+    OptimizationViews OptimizeSubgraphView(const SubgraphView& subgraph) const override;
+};
+
+} // namespace armnn