IVGCVSW-6635 Move MemCopyTestImpl from acl to armnnTestUtils.

* Move MemCopyTestImpl.hpp from src/backends/aclCommon/test/ to
  include/armnnTestutils.
* Refactor MemCopyTests in aclCommon, cl and Neon.
* Introduce RefMemCopyTests to exercise this utility in x86 builds.

Signed-off-by: Colm Donelan <colm.donelan@arm.com>
Change-Id: I8824f013d3656658ed0a2904bb79384e3af68641

3 files changed, 72 insertions, 1 deletions

diff --git a/src/backends/reference/test/CMakeLists.txt b/src/backends/reference/test/CMakeLists.txt
index 9d6572a4af..2476c31de6 100644
--- a/src/backends/reference/test/CMakeLists.txt
+++ b/src/backends/reference/test/CMakeLists.txt
@@ -12,6 +12,7 @@ list(APPEND armnnRefBackendUnitTests_sources
     RefJsonPrinterTests.cpp
     RefLayerSupportTests.cpp
     RefLayerTests.cpp
+    RefMemCopyTests.cpp
     RefMemoryManagerTests.cpp
     RefOptimizedNetworkTests.cpp
     RefPerAxisIteratorTests.cpp
diff --git a/src/backends/reference/test/RefLayerSupportTests.cpp b/src/backends/reference/test/RefLayerSupportTests.cpp
index 833e254406..9a27c7c0b3 100644
--- a/src/backends/reference/test/RefLayerSupportTests.cpp
+++ b/src/backends/reference/test/RefLayerSupportTests.cpp
@@ -6,7 +6,7 @@
 #include <layers/ConvertFp16ToFp32Layer.hpp>
 #include <layers/ConvertFp32ToFp16Layer.hpp>
 
-#include <TensorHelpers.hpp>
+#include <armnnTestUtils/TensorHelpers.hpp>
 
 #include <armnn/backends/TensorHandle.hpp>
 #include <reference/RefWorkloadFactory.hpp>
diff --git a/src/backends/reference/test/RefMemCopyTests.cpp b/src/backends/reference/test/RefMemCopyTests.cpp
new file mode 100644
index 0000000000..e97d979a9b
--- /dev/null
+++ b/src/backends/reference/test/RefMemCopyTests.cpp
@@ -0,0 +1,70 @@
+//
+// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include <reference/RefWorkloadFactory.hpp>
+#include <reference/RefBackend.hpp>
+#include <armnnTestUtils/LayerTestResult.hpp>
+#include <armnnTestUtils/MemCopyTestImpl.hpp>
+#include <armnnTestUtils/MockBackend.hpp>
+#include <doctest/doctest.h>
+
+namespace
+{
+
+template <>
+struct MemCopyTestHelper<armnn::RefWorkloadFactory>
+{
+    static armnn::IBackendInternal::IMemoryManagerSharedPtr GetMemoryManager()
+    {
+        armnn::RefBackend backend;
+        return backend.CreateMemoryManager();
+    }
+
+    static armnn::RefWorkloadFactory GetFactory(const armnn::IBackendInternal::IMemoryManagerSharedPtr&)
+    {
+        return armnn::RefWorkloadFactory();
+    }
+};
+}    // namespace
+
+TEST_SUITE("RefMemCopy")
+{
+
+    TEST_CASE("CopyBetweenCpuMockAndRef")
+    {
+        LayerTestResult<float, 4> result =
+            MemCopyTest<armnn::MockWorkloadFactory, armnn::RefWorkloadFactory, armnn::DataType::Float32>(false);
+        auto predResult =
+            CompareTensors(result.m_ActualData, result.m_ExpectedData, result.m_ActualShape, result.m_ExpectedShape);
+        CHECK_MESSAGE(predResult.m_Result, predResult.m_Message.str());
+    }
+
+    TEST_CASE("CopyBetweenRefAndCpuMock")
+    {
+        LayerTestResult<float, 4> result =
+            MemCopyTest<armnn::RefWorkloadFactory, armnn::MockWorkloadFactory, armnn::DataType::Float32>(false);
+        auto predResult =
+            CompareTensors(result.m_ActualData, result.m_ExpectedData, result.m_ActualShape, result.m_ExpectedShape);
+        CHECK_MESSAGE(predResult.m_Result, predResult.m_Message.str());
+    }
+
+    TEST_CASE("CopyBetweenCpuMockAndRefWithSubtensors")
+    {
+        LayerTestResult<float, 4> result =
+            MemCopyTest<armnn::MockWorkloadFactory, armnn::RefWorkloadFactory, armnn::DataType::Float32>(true);
+        auto predResult =
+            CompareTensors(result.m_ActualData, result.m_ExpectedData, result.m_ActualShape, result.m_ExpectedShape);
+        CHECK_MESSAGE(predResult.m_Result, predResult.m_Message.str());
+    }
+
+    TEST_CASE("CopyBetweenRefAndCpuMockWithSubtensors")
+    {
+        LayerTestResult<float, 4> result =
+            MemCopyTest<armnn::RefWorkloadFactory, armnn::MockWorkloadFactory, armnn::DataType::Float32>(true);
+        auto predResult =
+            CompareTensors(result.m_ActualData, result.m_ExpectedData, result.m_ActualShape, result.m_ExpectedShape);
+        CHECK_MESSAGE(predResult.m_Result, predResult.m_Message.str());
+    }
+}