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//
// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <armnn/backends/IBackendInternal.hpp>
#include <armnn/backends/MemCopyWorkload.hpp>
#include <armnnTestUtils/MockTensorHandle.hpp>
namespace armnn
{
// A bare bones Mock backend to enable unit testing of simple tensor manipulation features.
class MockBackend : public IBackendInternal
{
public:
MockBackend() = default;
~MockBackend() = default;
static const BackendId& GetIdStatic();
const BackendId& GetId() const override
{
return GetIdStatic();
}
IBackendInternal::IWorkloadFactoryPtr
CreateWorkloadFactory(const IBackendInternal::IMemoryManagerSharedPtr& memoryManager = nullptr) const override
{
IgnoreUnused(memoryManager);
return nullptr;
}
IBackendInternal::ILayerSupportSharedPtr GetLayerSupport() const override
{
return nullptr;
};
};
class MockWorkloadFactory : public IWorkloadFactory
{
public:
explicit MockWorkloadFactory(const std::shared_ptr<MockMemoryManager>& memoryManager);
MockWorkloadFactory();
~MockWorkloadFactory()
{}
const BackendId& GetBackendId() const override;
bool SupportsSubTensors() const override
{
return false;
}
ARMNN_DEPRECATED_MSG("Use ITensorHandleFactory::CreateSubTensorHandle instead")
std::unique_ptr<ITensorHandle> CreateSubTensorHandle(ITensorHandle&,
TensorShape const&,
unsigned int const*) const override
{
return nullptr;
}
ARMNN_DEPRECATED_MSG("Use ITensorHandleFactory::CreateTensorHandle instead")
std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
const bool IsMemoryManaged = true) const override
{
IgnoreUnused(IsMemoryManaged);
return std::make_unique<MockTensorHandle>(tensorInfo, m_MemoryManager);
};
ARMNN_DEPRECATED_MSG("Use ITensorHandleFactory::CreateTensorHandle instead")
std::unique_ptr<ITensorHandle> CreateTensorHandle(const TensorInfo& tensorInfo,
DataLayout dataLayout,
const bool IsMemoryManaged = true) const override
{
IgnoreUnused(dataLayout, IsMemoryManaged);
return std::make_unique<MockTensorHandle>(tensorInfo, static_cast<unsigned int>(MemorySource::Malloc));
};
ARMNN_DEPRECATED_MSG_REMOVAL_DATE(
"Use ABI stable "
"CreateWorkload(LayerType, const QueueDescriptor&, const WorkloadInfo& info) instead.",
"22.11")
std::unique_ptr<IWorkload> CreateInput(const InputQueueDescriptor& descriptor,
const WorkloadInfo& info) const override
{
if (info.m_InputTensorInfos.empty())
{
throw InvalidArgumentException("MockWorkloadFactory::CreateInput: Input cannot be zero length");
}
if (info.m_OutputTensorInfos.empty())
{
throw InvalidArgumentException("MockWorkloadFactory::CreateInput: Output cannot be zero length");
}
if (info.m_InputTensorInfos[0].GetNumBytes() != info.m_OutputTensorInfos[0].GetNumBytes())
{
throw InvalidArgumentException(
"MockWorkloadFactory::CreateInput: data input and output differ in byte count.");
}
return std::make_unique<CopyMemGenericWorkload>(descriptor, info);
};
std::unique_ptr<IWorkload>
CreateWorkload(LayerType type, const QueueDescriptor& descriptor, const WorkloadInfo& info) const override;
private:
mutable std::shared_ptr<MockMemoryManager> m_MemoryManager;
};
} // namespace armnn
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