COMPMID-579: Port Derivative to new validation

Change-Id: Iecbfa3ebab890c778fb475403466d6fb168e9968
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/113357
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/Derivative.cpp b/tests/validation/CL/Derivative.cpp
new file mode 100644
index 0000000..5ee23cb
--- /dev/null
+++ b/tests/validation/CL/Derivative.cpp
@@ -0,0 +1,111 @@
+/*
+ * 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/CLDerivative.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/BorderModeDataset.h"
+#include "tests/datasets/GradientDimensionDataset.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/DerivativeFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(Derivative)
+
+using CLDerivativeFixture = DerivativeValidationFixture<CLTensor, CLAccessor, CLDerivative, uint8_t, int16_t>;
+
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(concat(datasets::Small2DShapes(), datasets::Large2DShapes()), datasets::BorderModes()), framework::dataset::make("Format",
+                                                                   Format::U8)),
+               shape, border_mode, format)
+{
+    // Generate a random constant value
+    std::mt19937                           gen(library->seed());
+    std::uniform_int_distribution<uint8_t> int_dist(0, 255);
+    const uint8_t                          constant_border_value = int_dist(gen);
+
+    // Create tensors
+    CLTensor src   = create_tensor<CLTensor>(shape, data_type_from_format(format));
+    CLTensor dst_x = create_tensor<CLTensor>(shape, DataType::S16);
+    CLTensor dst_y = create_tensor<CLTensor>(shape, DataType::S16);
+
+    src.info()->set_format(format);
+    dst_x.info()->set_format(Format::S16);
+    dst_y.info()->set_format(Format::S16);
+
+    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst_x.info()->is_resizable(), framework::LogLevel::ERRORS);
+    ARM_COMPUTE_EXPECT(dst_y.info()->is_resizable(), framework::LogLevel::ERRORS);
+
+    // Create Derivative configure function
+    CLDerivative derivative;
+    derivative.configure(&src, &dst_x, &dst_y, border_mode, constant_border_value);
+
+    // Validate valid region
+    constexpr BorderSize border_size{ 1 };
+    const ValidRegion    dst_valid_region = shape_to_valid_region(shape, border_mode == BorderMode::UNDEFINED, border_size);
+
+    validate(dst_x.info()->valid_region(), dst_valid_region);
+    validate(dst_y.info()->valid_region(), dst_valid_region);
+
+    // TODO(COMPMID-415) Validate padding after fixing x-access input bug in CL kernel
+}
+
+FIXTURE_DATA_TEST_CASE(RunSmall, CLDerivativeFixture, framework::DatasetMode::PRECOMMIT, combine(combine(combine(datasets::Small2DShapes(), datasets::BorderModes()), framework::dataset::make("Format",
+                                                                                                         Format::U8)),
+                                                                                                 datasets::GradientDimensions()))
+{
+    // Validate output
+    ValidRegion valid_region_x = shape_to_valid_region(_reference.first.shape(), (_border_mode == BorderMode::UNDEFINED), BorderSize(1));
+    validate(CLAccessor(_target.first), _reference.first, valid_region_x);
+
+    ValidRegion valid_region_y = shape_to_valid_region(_reference.second.shape(), (_border_mode == BorderMode::UNDEFINED), BorderSize(1));
+    validate(CLAccessor(_target.second), _reference.second, valid_region_y);
+}
+
+FIXTURE_DATA_TEST_CASE(RunLarge, CLDerivativeFixture, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::Large2DShapes(), datasets::BorderModes()), framework::dataset::make("Format",
+                                                                                                       Format::U8)),
+                                                                                               datasets::GradientDimensions()))
+{
+    // Validate output
+    ValidRegion valid_region_x = shape_to_valid_region(_reference.first.shape(), (_border_mode == BorderMode::UNDEFINED), BorderSize(1));
+    validate(CLAccessor(_target.first), _reference.first, valid_region_x);
+
+    ValidRegion valid_region_y = shape_to_valid_region(_reference.second.shape(), (_border_mode == BorderMode::UNDEFINED), BorderSize(1));
+    validate(CLAccessor(_target.second), _reference.second, valid_region_y);
+}
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute