IVGCVSW-7555 Restructure Delegate

* New folders created:
  * common is for common code where TfLite API is not used
  * classic is for existing delegate implementations
  * opaque is for new opaque delegate implementation,
  * tests is for shared between existing Delegate and Opaque Delegate which have test utils to work which delegate to use.
* Existing delegate is built to libarmnnDelegate.so and opaque delegate is built as libarmnnOpaqueDelegate.so
* Opaque structure is introduced but no API is added yet.
* CmakeList.txt and delegate/CMakeList.txt have been modified and 2 new CmakeList.txt added
* Rename BUILD_ARMNN_TFLITE_DELEGATE as BUILD_CLASSIC_DELEGATE
* Rename BUILD_ARMNN_TFLITE_OPAQUE_DELEGATE as BUILD_OPAQUE_DELEGATE

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: Ib682b9ad0ac8d8acdc4ec6d9099bb0008a9fe8ed
diff --git a/delegate/test/StridedSliceTest.cpp b/delegate/test/StridedSliceTest.cpp
new file mode 100644
index 0000000..5b6d7ef
--- /dev/null
+++ b/delegate/test/StridedSliceTest.cpp
@@ -0,0 +1,241 @@
+//
+// Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "StridedSliceTestHelper.hpp"
+
+#include <armnn_delegate.hpp>
+
+#include <flatbuffers/flatbuffers.h>
+
+#include <doctest/doctest.h>
+
+namespace armnnDelegate
+{
+
+void StridedSlice4DTest(std::vector<armnn::BackendId>& backends)
+{
+    std::vector<int32_t> inputShape  { 3, 2, 3, 1 };
+    std::vector<int32_t> outputShape { 1, 2, 3, 1 };
+    std::vector<int32_t> beginShape  { 4 };
+    std::vector<int32_t> endShape    { 4 };
+    std::vector<int32_t> strideShape { 4 };
+
+    std::vector<int32_t> beginData  { 1, 0, 0, 0 };
+    std::vector<int32_t> endData    { 2, 2, 3, 1 };
+    std::vector<int32_t> strideData { 1, 1, 1, 1 };
+    std::vector<float> inputData  { 1.0f, 1.0f, 1.0f, 2.0f, 2.0f, 2.0f,
+                                    3.0f, 3.0f, 3.0f, 4.0f, 4.0f, 4.0f,
+                                    5.0f, 5.0f, 5.0f, 6.0f, 6.0f, 6.0f };
+    std::vector<float> outputData { 3.0f, 3.0f, 3.0f, 4.0f, 4.0f, 4.0f };
+
+    StridedSliceTestImpl<float>(
+            backends,
+            inputData,
+            outputData,
+            beginData,
+            endData,
+            strideData,
+            inputShape,
+            beginShape,
+            endShape,
+            strideShape,
+            outputShape
+            );
+}
+
+void StridedSlice4DReverseTest(std::vector<armnn::BackendId>& backends)
+{
+    std::vector<int32_t> inputShape  { 3, 2, 3, 1 };
+    std::vector<int32_t> outputShape { 1, 2, 3, 1 };
+    std::vector<int32_t> beginShape  { 4 };
+    std::vector<int32_t> endShape    { 4 };
+    std::vector<int32_t> strideShape { 4 };
+
+    std::vector<int32_t> beginData  { 1, -1, 0, 0 };
+    std::vector<int32_t> endData    { 2, -3, 3, 1 };
+    std::vector<int32_t> strideData { 1, -1, 1, 1 };
+    std::vector<float>   inputData  { 1.0f, 1.0f, 1.0f, 2.0f, 2.0f, 2.0f,
+                                      3.0f, 3.0f, 3.0f, 4.0f, 4.0f, 4.0f,
+                                      5.0f, 5.0f, 5.0f, 6.0f, 6.0f, 6.0f };
+    std::vector<float>   outputData { 4.0f, 4.0f, 4.0f, 3.0f, 3.0f, 3.0f };
+
+    StridedSliceTestImpl<float>(
+            backends,
+            inputData,
+            outputData,
+            beginData,
+            endData,
+            strideData,
+            inputShape,
+            beginShape,
+            endShape,
+            strideShape,
+            outputShape
+    );
+}
+
+void StridedSliceSimpleStrideTest(std::vector<armnn::BackendId>& backends)
+{
+    std::vector<int32_t> inputShape  { 3, 2, 3, 1 };
+    std::vector<int32_t> outputShape { 2, 1, 2, 1 };
+    std::vector<int32_t> beginShape  { 4 };
+    std::vector<int32_t> endShape    { 4 };
+    std::vector<int32_t> strideShape { 4 };
+
+    std::vector<int32_t> beginData  { 0, 0, 0, 0 };
+    std::vector<int32_t> endData    { 3, 2, 3, 1 };
+    std::vector<int32_t> strideData { 2, 2, 2, 1 };
+    std::vector<float>   inputData  { 1.0f, 1.0f, 1.0f, 2.0f, 2.0f, 2.0f,
+                                      3.0f, 3.0f, 3.0f, 4.0f, 4.0f, 4.0f,
+                                      5.0f, 5.0f, 5.0f, 6.0f, 6.0f, 6.0f };
+    std::vector<float>   outputData { 1.0f, 1.0f,
+                                      5.0f, 5.0f };
+
+    StridedSliceTestImpl<float>(
+            backends,
+            inputData,
+            outputData,
+            beginData,
+            endData,
+            strideData,
+            inputShape,
+            beginShape,
+            endShape,
+            strideShape,
+            outputShape
+    );
+}
+
+void StridedSliceSimpleRangeMaskTest(std::vector<armnn::BackendId>& backends)
+{
+    std::vector<int32_t> inputShape  { 3, 2, 3, 1 };
+    std::vector<int32_t> outputShape { 3, 2, 3, 1 };
+    std::vector<int32_t> beginShape  { 4 };
+    std::vector<int32_t> endShape    { 4 };
+    std::vector<int32_t> strideShape { 4 };
+
+    std::vector<int32_t> beginData  { 1, 1, 1, 1 };
+    std::vector<int32_t> endData    { 1, 1, 1, 1 };
+    std::vector<int32_t> strideData { 1, 1, 1, 1 };
+
+    int beginMask = -1;
+    int endMask   = -1;
+
+    std::vector<float>   inputData  { 1.0f, 1.0f, 1.0f, 2.0f, 2.0f, 2.0f,
+                                      3.0f, 3.0f, 3.0f, 4.0f, 4.0f, 4.0f,
+                                      5.0f, 5.0f, 5.0f, 6.0f, 6.0f, 6.0f };
+    std::vector<float>   outputData { 1.0f, 1.0f, 1.0f, 2.0f, 2.0f, 2.0f,
+                                      3.0f, 3.0f, 3.0f, 4.0f, 4.0f, 4.0f,
+                                      5.0f, 5.0f, 5.0f, 6.0f, 6.0f, 6.0f };
+
+    StridedSliceTestImpl<float>(
+            backends,
+            inputData,
+            outputData,
+            beginData,
+            endData,
+            strideData,
+            inputShape,
+            beginShape,
+            endShape,
+            strideShape,
+            outputShape,
+            beginMask,
+            endMask
+    );
+}
+
+TEST_SUITE("StridedSlice_CpuRefTests")
+{
+
+TEST_CASE ("StridedSlice_4D_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuRef};
+    StridedSlice4DTest(backends);
+}
+
+TEST_CASE ("StridedSlice_4D_Reverse_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuRef};
+    StridedSlice4DReverseTest(backends);
+}
+
+TEST_CASE ("StridedSlice_SimpleStride_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuRef};
+    StridedSliceSimpleStrideTest(backends);
+}
+
+TEST_CASE ("StridedSlice_SimpleRange_CpuRef_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuRef};
+    StridedSliceSimpleRangeMaskTest(backends);
+}
+
+} // StridedSlice_CpuRefTests TestSuite
+
+
+
+TEST_SUITE("StridedSlice_CpuAccTests")
+{
+
+TEST_CASE ("StridedSlice_4D_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuAcc};
+    StridedSlice4DTest(backends);
+}
+
+TEST_CASE ("StridedSlice_4D_Reverse_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuAcc};
+    StridedSlice4DReverseTest(backends);
+}
+
+TEST_CASE ("StridedSlice_SimpleStride_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuAcc};
+    StridedSliceSimpleStrideTest(backends);
+}
+
+TEST_CASE ("StridedSlice_SimpleRange_CpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::CpuAcc};
+    StridedSliceSimpleRangeMaskTest(backends);
+}
+
+} // StridedSlice_CpuAccTests TestSuite
+
+
+
+TEST_SUITE("StridedSlice_GpuAccTests")
+{
+
+TEST_CASE ("StridedSlice_4D_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::GpuAcc};
+    StridedSlice4DTest(backends);
+}
+
+TEST_CASE ("StridedSlice_4D_Reverse_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::GpuAcc};
+    StridedSlice4DReverseTest(backends);
+}
+
+TEST_CASE ("StridedSlice_SimpleStride_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::GpuAcc};
+    StridedSliceSimpleStrideTest(backends);
+}
+
+TEST_CASE ("StridedSlice_SimpleRange_GpuAcc_Test")
+{
+    std::vector<armnn::BackendId> backends = {armnn::Compute::GpuAcc};
+    StridedSliceSimpleRangeMaskTest(backends);
+}
+
+} // StridedSlice_GpuAccTests TestSuite
+
+} // namespace armnnDelegate
\ No newline at end of file