IVGCVSW-6635 Expose a new MockWorkloadFactory and MockMemManager (Part 1)

* Create a MockBackend in armnnTestUtils.
* Create corresponding WorkloadFactory, TensorHandle, TensorHandleFactory
  MemoryManager and WorkloadFactoryHelper classes.

Signed-off-by: Colm Donelan <colm.donelan@arm.com>
Change-Id: I884731b109bc623a7272e5ad333ff754f8c13ae1

1 files changed, 61 insertions, 0 deletions

diff --git a/src/armnnTestUtils/MockTensorHandleFactory.hpp b/src/armnnTestUtils/MockTensorHandleFactory.hpp
new file mode 100644
index 0000000000..ffe7c8bc97
--- /dev/null
+++ b/src/armnnTestUtils/MockTensorHandleFactory.hpp
@@ -0,0 +1,61 @@
+//
+// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <armnn/backends/ITensorHandleFactory.hpp>
+#include <armnnTestUtils/MockMemoryManager.hpp>
+
+namespace armnn
+{
+
+constexpr const char* MockTensorHandleFactoryId()
+{
+    return "Arm/Mock/TensorHandleFactory";
+}
+
+class MockTensorHandleFactory : public ITensorHandleFactory
+{
+
+public:
+    explicit MockTensorHandleFactory(std::shared_ptr<MockMemoryManager> mgr)
+        : m_MemoryManager(mgr)
+        , m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Malloc))
+        , m_ExportFlags(static_cast<MemorySourceFlags>(MemorySource::Malloc))
+    {}
+
+    std::unique_ptr<ITensorHandle> CreateSubTensorHandle(ITensorHandle& parent,
+                                                         TensorShape const& subTensorShape,
+                                                         unsigned int const* subTensorOrigin) const override;
+
+    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo) const override;
+
+    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
+                                                      DataLayout dataLayout) const override;
+
+    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
+                                                      const bool IsMemoryManaged) const override;
+
+    std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
+                                                      DataLayout dataLayout,
+                                                      const bool IsMemoryManaged) const override;
+
+    static const FactoryId& GetIdStatic();
+
+    const FactoryId& GetId() const override;
+
+    bool SupportsSubTensors() const override;
+
+    MemorySourceFlags GetExportFlags() const override;
+
+    MemorySourceFlags GetImportFlags() const override;
+
+private:
+    mutable std::shared_ptr<MockMemoryManager> m_MemoryManager;
+    MemorySourceFlags m_ImportFlags;
+    MemorySourceFlags m_ExportFlags;
+};
+
+}    // namespace armnn