COMPMID-501: Move IntegralImage to new validation

Change-Id: I57ba1bc57831a2f0b5db729fab768fcd580c1cfe
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/86717
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Moritz Pflanzer <moritz.pflanzer@arm.com>

9 files changed, 405 insertions, 308 deletions

diff --git a/tests/validation/CL/IntegralImage.cpp b/tests/validation/CL/IntegralImage.cpp
new file mode 100644
index 0000000000..1a6d397d84
--- /dev/null
+++ b/tests/validation/CL/IntegralImage.cpp
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/runtime/CL/functions/CLIntegralImage.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Macros.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/IntegralImageFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(IntegralImage)
+
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(concat(datasets::SmallShapes(), datasets::LargeShapes()), framework::dataset::make("DataType", DataType::U8)), shape, data_type)
+{
+    // Create tensors
+    CLTensor src = create_tensor<CLTensor>(shape, data_type);
+    CLTensor dst = create_tensor<CLTensor>(shape, DataType::U32);
+
+    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+    // Create and configure function
+    CLIntegralImage integral_image;
+    integral_image.configure(&src, &dst);
+
+    // Validate valid region
+    const ValidRegion valid_region = shape_to_valid_region(shape);
+    validate(dst.info()->valid_region(), valid_region);
+
+    // Validate padding
+    const PaddingSize padding = PaddingCalculator(shape.x(), 16).required_padding();
+    validate(src.info()->padding(), padding);
+    validate(dst.info()->padding(), padding);
+}
+
+template <typename T>
+using CLIntegralImageFixture = IntegralImageValidationFixture<CLTensor, CLAccessor, CLIntegralImage, T>;
+
+FIXTURE_DATA_TEST_CASE(RunSmall, CLIntegralImageFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(datasets::SmallShapes(), framework::dataset::make("DataType",
+                                                                                                             DataType::U8)))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLIntegralImageFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(datasets::LargeShapes(), framework::dataset::make("DataType",
+                                                                                                           DataType::U8)))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/CPP/IntegralImage.cpp b/tests/validation/CPP/IntegralImage.cpp
new file mode 100644
index 0000000000..8d07e995b5
--- /dev/null
+++ b/tests/validation/CPP/IntegralImage.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "IntegralImage.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<uint32_t> integral_image(const SimpleTensor<T> &src)
+{
+    SimpleTensor<uint32_t> dst(src.shape(), DataType::U32);
+
+    // Length of dimensions
+    const size_t width  = src.shape().x();
+    const size_t height = src.shape().y();
+    const size_t depth  = src.shape().total_size_upper(2);
+
+    const size_t image_size = width * height;
+
+    for(size_t z = 0; z < depth; ++z)
+    {
+        size_t current_image = z * image_size;
+
+        //First element of each image
+        dst[current_image] = src[current_image];
+
+        // First row of each image (add only pixel on the left)
+        for(size_t x = 1; x < width; ++x)
+        {
+            dst[current_image + x] = static_cast<uint32_t>(src[current_image + x]) + dst[current_image + x - 1];
+        }
+
+        // Subsequent rows
+        for(size_t y = 1; y < height; ++y)
+        {
+            size_t current_row = current_image + (width * y);
+
+            // First element of each row (add only pixel up)
+            dst[current_row] = static_cast<uint32_t>(src[current_row]) + dst[current_row - width];
+
+            // Following row elements
+            for(size_t x = 1; x < width; ++x)
+            {
+                size_t current_pixel = current_row + x;
+
+                // out = in + up(out) + left(out) - up_left(out)
+                dst[current_pixel] = static_cast<uint32_t>(src[current_pixel]) + dst[current_pixel - 1]
+                                     + dst[current_pixel - width] - dst[current_pixel - width - 1];
+            }
+        }
+    }
+
+    return dst;
+}
+
+template SimpleTensor<uint32_t> integral_image(const SimpleTensor<uint8_t> &src);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/CPP/IntegralImage.h b/tests/validation/CPP/IntegralImage.h
new file mode 100644
index 0000000000..c766aae89e
--- /dev/null
+++ b/tests/validation/CPP/IntegralImage.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_TEST_INTEGRAL_IMAGE_H__
+#define __ARM_COMPUTE_TEST_INTEGRAL_IMAGE_H__
+
+#include "tests/SimpleTensor.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace reference
+{
+template <typename T>
+SimpleTensor<uint32_t> integral_image(const SimpleTensor<T> &src);
+} // namespace reference
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_TEST_INTEGRAL_IMAGE_H__ */
diff --git a/tests/validation/NEON/IntegralImage.cpp b/tests/validation/NEON/IntegralImage.cpp
new file mode 100644
index 0000000000..efa1965b31
--- /dev/null
+++ b/tests/validation/NEON/IntegralImage.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/runtime/NEON/functions/NEIntegralImage.h"
+#include "tests/NEON/Accessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Macros.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/IntegralImageFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(NEON)
+TEST_SUITE(IntegralImage)
+
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(concat(datasets::SmallShapes(), datasets::LargeShapes()), framework::dataset::make("DataType", DataType::U8)), shape, data_type)
+{
+    // Create tensors
+    Tensor src = create_tensor<Tensor>(shape, data_type);
+    Tensor dst = create_tensor<Tensor>(shape, DataType::U32);
+
+    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+    // Create and configure function
+    NEIntegralImage integral_image;
+    integral_image.configure(&src, &dst);
+
+    // Validate valid region
+    const ValidRegion valid_region = shape_to_valid_region(shape);
+    validate(dst.info()->valid_region(), valid_region);
+
+    // Validate padding
+    const PaddingSize src_padding = PaddingCalculator(shape.x(), 16).required_padding();
+    const PaddingSize dst_padding(1, src_padding.right, 0, 1);
+
+    validate(src.info()->padding(), src_padding);
+    validate(dst.info()->padding(), dst_padding);
+}
+
+template <typename T>
+using NEIntegralImageFixture = IntegralImageValidationFixture<Tensor, Accessor, NEIntegralImage, T>;
+
+FIXTURE_DATA_TEST_CASE(RunSmall, NEIntegralImageFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(datasets::SmallShapes(), framework::dataset::make("DataType",
+                                                                                                             DataType::U8)))
+{
+    // Validate output
+    validate(Accessor(_target), _reference);
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, NEIntegralImageFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(datasets::LargeShapes(), framework::dataset::make("DataType",
+                                                                                                           DataType::U8)))
+{
+    // Validate output
+    validate(Accessor(_target), _reference);
+}
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
diff --git a/tests/validation/fixtures/IntegralImageFixture.h b/tests/validation/fixtures/IntegralImageFixture.h
new file mode 100644
index 0000000000..2f0ec51642
--- /dev/null
+++ b/tests/validation/fixtures/IntegralImageFixture.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_TEST_INTEGRAL_IMAGE_FIXTURE
+#define ARM_COMPUTE_TEST_INTEGRAL_IMAGE_FIXTURE
+
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+#include "tests/AssetsLibrary.h"
+#include "tests/Globals.h"
+#include "tests/IAccessor.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Fixture.h"
+#include "tests/validation/CPP/IntegralImage.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
+class IntegralImageValidationFixture : public framework::Fixture
+{
+public:
+    template <typename...>
+    void setup(TensorShape shape, DataType data_type)
+    {
+        _target    = compute_target(shape);
+        _reference = compute_reference(shape, data_type);
+    }
+
+protected:
+    template <typename U>
+    void fill(U &&tensor)
+    {
+        library->fill_tensor_uniform(tensor, 0);
+    }
+
+    TensorType compute_target(const TensorShape &shape)
+    {
+        // Create tensors
+        TensorType src = create_tensor<TensorType>(shape, DataType::U8);
+        TensorType dst = create_tensor<TensorType>(shape, DataType::U32);
+
+        // Create and configure function
+        FunctionType integral_image;
+        integral_image.configure(&src, &dst);
+
+        ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Allocate tensors
+        src.allocator()->allocate();
+        dst.allocator()->allocate();
+
+        ARM_COMPUTE_EXPECT(!src.info()->is_resizable(), framework::LogLevel::ERRORS);
+        ARM_COMPUTE_EXPECT(!dst.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+        // Fill tensors
+        fill(AccessorType(src));
+
+        // Compute function
+        integral_image.run();
+
+        return dst;
+    }
+
+    SimpleTensor<uint32_t> compute_reference(const TensorShape &shape, DataType data_type)
+    {
+        // Create reference
+        SimpleTensor<T> src{ shape, data_type };
+
+        // Fill reference
+        fill(src);
+
+        return reference::integral_image<T>(src);
+    }
+
+    TensorType             _target{};
+    SimpleTensor<uint32_t> _reference{};
+};
+} // namespace validation
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_INTEGRAL_IMAGE_FIXTURE */
diff --git a/tests/validation_old/CL/IntegralImage.cpp b/tests/validation_old/CL/IntegralImage.cpp
deleted file mode 100644
index 7db2b688d6..0000000000
--- a/tests/validation_old/CL/IntegralImage.cpp
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (c) 2017 ARM Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "CL/CLAccessor.h"
-#include "PaddingCalculator.h"
-#include "Utils.h"
-#include "tests/AssetsLibrary.h"
-#include "tests/Globals.h"
-#include "tests/validation_old/Datasets.h"
-#include "tests/validation_old/Reference.h"
-#include "tests/validation_old/Validation.h"
-#include "utils/TypePrinter.h"
-
-#include "arm_compute/core/Helpers.h"
-#include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/CL/functions/CLIntegralImage.h"
-#include "arm_compute/runtime/Tensor.h"
-#include "arm_compute/runtime/TensorAllocator.h"
-
-#include "tests/validation_old/boost_wrapper.h"
-
-#include <random>
-#include <string>
-
-using namespace arm_compute;
-using namespace arm_compute::test;
-using namespace arm_compute::test::validation;
-
-namespace
-{
-/** Compute CL integral image function.
- *
- * @param[in] shape Shape of the input and output tensors.
- *
- * @return Computed output tensor.
- */
-CLTensor compute_integral_image(const TensorShape &shape)
-{
-    // Create tensors
-    CLTensor src = create_tensor<CLTensor>(shape, DataType::U8);
-    CLTensor dst = create_tensor<CLTensor>(shape, DataType::U32);
-
-    // Create integral image configure function
-    CLIntegralImage integral_image;
-    integral_image.configure(&src, &dst);
-
-    // Allocate tensors
-    src.allocator()->allocate();
-    dst.allocator()->allocate();
-
-    BOOST_TEST(!src.info()->is_resizable());
-    BOOST_TEST(!dst.info()->is_resizable());
-
-    // Fill tensors
-    library->fill_tensor_uniform(CLAccessor(src), 0);
-
-    // Compute function
-    integral_image.run();
-
-    return dst;
-}
-} // namespace
-
-#ifndef DOXYGEN_SKIP_THIS
-BOOST_AUTO_TEST_SUITE(CL)
-BOOST_AUTO_TEST_SUITE(IntegralImage)
-
-BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit") * boost::unit_test::label("nightly"))
-BOOST_DATA_TEST_CASE(Configuration, SmallShapes() + LargeShapes(), shape)
-{
-    // Create tensors
-    CLTensor src = create_tensor<CLTensor>(shape, DataType::U8);
-    CLTensor dst = create_tensor<CLTensor>(shape, DataType::U32);
-
-    BOOST_TEST(src.info()->is_resizable());
-    BOOST_TEST(dst.info()->is_resizable());
-
-    // Create integral image configure function
-    CLIntegralImage integral_image;
-    integral_image.configure(&src, &dst);
-
-    // Validate valid region
-    const ValidRegion valid_region = shape_to_valid_region(shape);
-    validate(src.info()->valid_region(), valid_region);
-    validate(dst.info()->valid_region(), valid_region);
-
-    // Validate padding
-    const PaddingSize padding = PaddingCalculator(shape.x(), 16).required_padding();
-    validate(src.info()->padding(), padding);
-    validate(dst.info()->padding(), padding);
-}
-
-BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit"))
-BOOST_DATA_TEST_CASE(RunSmall, SmallShapes(), shape)
-{
-    // Compute function
-    CLTensor dst = compute_integral_image(shape);
-
-    // Compute reference
-    RawTensor ref_dst = Reference::compute_reference_integral_image(shape);
-
-    // Validate output
-    validate(CLAccessor(dst), ref_dst);
-}
-
-BOOST_TEST_DECORATOR(*boost::unit_test::label("nightly"))
-BOOST_DATA_TEST_CASE(RunLarge, LargeShapes(), shape)
-{
-    // Compute function
-    CLTensor dst = compute_integral_image(shape);
-
-    // Compute reference
-    RawTensor ref_dst = Reference::compute_reference_integral_image(shape);
-
-    // Validate output
-    validate(CLAccessor(dst), ref_dst);
-}
-
-BOOST_AUTO_TEST_SUITE_END()
-BOOST_AUTO_TEST_SUITE_END()
-#endif /* DOXYGEN_SKIP_THIS */
diff --git a/tests/validation_old/NEON/IntegralImage.cpp b/tests/validation_old/NEON/IntegralImage.cpp
deleted file mode 100644
index f42393a745..0000000000
--- a/tests/validation_old/NEON/IntegralImage.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Copyright (c) 2017 ARM Limited.
- *
- * SPDX-License-Identifier: MIT
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "NEON/Accessor.h"
-#include "PaddingCalculator.h"
-#include "Utils.h"
-#include "tests/AssetsLibrary.h"
-#include "tests/Globals.h"
-#include "tests/validation_old/Datasets.h"
-#include "tests/validation_old/Reference.h"
-#include "tests/validation_old/Validation.h"
-#include "utils/TypePrinter.h"
-
-#include "arm_compute/core/Helpers.h"
-#include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/NEON/functions/NEIntegralImage.h"
-#include "arm_compute/runtime/Tensor.h"
-#include "arm_compute/runtime/TensorAllocator.h"
-
-#include "tests/validation_old/boost_wrapper.h"
-
-#include <random>
-#include <string>
-
-using namespace arm_compute;
-using namespace arm_compute::test;
-using namespace arm_compute::test::validation;
-
-namespace
-{
-/** Compute Neon integral image function.
- *
- * @param[in] shape Shape of the input and output tensors.
- *
- * @return Computed output tensor.
- */
-Tensor compute_integral_image(const TensorShape &shape)
-{
-    // Create tensors
-    Tensor src = create_tensor<Tensor>(shape, DataType::U8);
-    Tensor dst = create_tensor<Tensor>(shape, DataType::U32);
-
-    // Create integral image configure function
-    NEIntegralImage integral_image;
-    integral_image.configure(&src, &dst);
-
-    // Allocate tensors
-    src.allocator()->allocate();
-    dst.allocator()->allocate();
-
-    BOOST_TEST(!src.info()->is_resizable());
-    BOOST_TEST(!dst.info()->is_resizable());
-
-    // Fill tensors
-    library->fill_tensor_uniform(Accessor(src), 0);
-
-    // Compute function
-    integral_image.run();
-
-    return dst;
-}
-} // namespace
-
-#ifndef DOXYGEN_SKIP_THIS
-BOOST_AUTO_TEST_SUITE(NEON)
-BOOST_AUTO_TEST_SUITE(IntegralImage)
-
-BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit") * boost::unit_test::label("nightly"))
-BOOST_DATA_TEST_CASE(Configuration, SmallShapes() + LargeShapes(), shape)
-{
-    // Create tensors
-    Tensor src = create_tensor<Tensor>(shape, DataType::U8);
-    Tensor dst = create_tensor<Tensor>(shape, DataType::U32);
-
-    BOOST_TEST(src.info()->is_resizable());
-    BOOST_TEST(dst.info()->is_resizable());
-
-    // Create integral image configure function
-    NEIntegralImage integral_image;
-    integral_image.configure(&src, &dst);
-
-    // Validate valid region
-    const ValidRegion valid_region = shape_to_valid_region(shape);
-    validate(src.info()->valid_region(), valid_region);
-    validate(dst.info()->valid_region(), valid_region);
-
-    // Validate padding
-    const PaddingSize src_padding = PaddingCalculator(shape.x(), 16).required_padding();
-    const PaddingSize dst_padding(1, src_padding.right, 0, 1);
-
-    validate(src.info()->padding(), src_padding);
-    validate(dst.info()->padding(), dst_padding);
-}
-
-BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit"))
-BOOST_DATA_TEST_CASE(RunSmall, SmallShapes(), shape)
-{
-    // Compute function
-    Tensor dst = compute_integral_image(shape);
-
-    // Compute reference
-    RawTensor ref_dst = Reference::compute_reference_integral_image(shape);
-
-    // Validate output
-    validate(Accessor(dst), ref_dst);
-}
-
-BOOST_TEST_DECORATOR(*boost::unit_test::label("nightly"))
-BOOST_DATA_TEST_CASE(RunLarge, LargeShapes(), shape)
-{
-    // Compute function
-    Tensor dst = compute_integral_image(shape);
-
-    // Compute reference
-    RawTensor ref_dst = Reference::compute_reference_integral_image(shape);
-
-    // Validate output
-    validate(Accessor(dst), ref_dst);
-}
-
-BOOST_AUTO_TEST_SUITE_END()
-BOOST_AUTO_TEST_SUITE_END()
-#endif /* DOXYGEN_SKIP_THIS */
diff --git a/tests/validation_old/Reference.cpp b/tests/validation_old/Reference.cpp
index b5fe1d2baf..35eab54526 100644
--- a/tests/validation_old/Reference.cpp
+++ b/tests/validation_old/Reference.cpp
@@ -94,21 +94,6 @@ KeyPointArray Reference::compute_reference_harris_corners(const TensorShape &sha
     return corners;
 }
 
-RawTensor Reference::compute_reference_integral_image(const TensorShape &shape)
-{
-    // Create reference
-    RawTensor ref_src(shape, DataType::U8);
-    RawTensor ref_dst(shape, DataType::U32);
-
-    // Fill reference
-    library->fill_tensor_uniform(ref_src, 0);
-
-    // Compute reference
-    ReferenceCPP::integral_image(ref_src, ref_dst);
-
-    return ref_dst;
-}
-
 RawTensor Reference::compute_reference_absolute_difference(const TensorShape &shape, DataType dt_in0, DataType dt_in1, DataType dt_out)
 {
     // Create reference
diff --git a/tests/validation_old/Reference.h b/tests/validation_old/Reference.h
index 153986d82a..34bbac6c0a 100644
--- a/tests/validation_old/Reference.h
+++ b/tests/validation_old/Reference.h
@@ -74,13 +74,6 @@ public:
      */
     static KeyPointArray compute_reference_harris_corners(const TensorShape &shape, float threshold, float min_dist, float sensitivity,
                                                           int32_t gradient_size, int32_t block_size, BorderMode border_mode, uint8_t constant_border_value);
-    /** Compute reference integral image.
-     *
-     * @param[in] shape Shape of the input and output tensors.
-     *
-     * @return Computed raw tensor.
-     */
-    static RawTensor compute_reference_integral_image(const TensorShape &shape);
     /** Compute reference absolute difference.
      *
      * @param[in] shape  Shape of the input and output tensors.