COMPMID-584: Add validation to channel_combine kernels

Change-Id: I67fe3fcea08704d9f4b04d22fe34db83b2697b87
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110562
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/ChannelCombine.cpp b/tests/validation/CL/ChannelCombine.cpp
new file mode 100644
index 0000000..fd9049a
--- /dev/null
+++ b/tests/validation/CL/ChannelCombine.cpp
@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2017-2018 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/core/Types.h"
+#include "arm_compute/runtime/CL/CLMultiImage.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/CLTensorAllocator.h"
+#include "arm_compute/runtime/CL/functions/CLChannelCombine.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/PaddingCalculator.h"
+#include "tests/datasets/ConvertPolicyDataset.h"
+#include "tests/datasets/ShapeDatasets.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/ChannelCombineFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+namespace
+{
+inline void validate_configuration(const TensorShape &shape, Format format)
+{
+    const int num_planes = num_planes_from_format(format);
+
+    // Create tensors
+    CLMultiImage          dst     = create_multi_image<CLMultiImage>(shape, format);
+    std::vector<CLTensor> ref_src = create_tensor_planes<CLTensor>(shape, format);
+
+    // Create and configure function
+    CLChannelCombine channel_combine;
+
+    if(num_planes == 1)
+    {
+        const CLTensor *tensor_extra = ((Format::RGBA8888 == format) ? &ref_src[3] : nullptr);
+
+        channel_combine.configure(&ref_src[0], &ref_src[1], &ref_src[2], tensor_extra, dst.cl_plane(0));
+    }
+    else
+    {
+        channel_combine.configure(&ref_src[0], &ref_src[1], &ref_src[2], &dst);
+    }
+
+    // TODO(bsgcomp): Add validation for padding and shape (COMPMID-659)
+}
+} // namespace
+
+TEST_SUITE(CL)
+TEST_SUITE(ChannelCombine)
+
+template <typename T>
+using CLChannelCombineFixture = ChannelCombineValidationFixture<CLMultiImage, CLTensor, CLAccessor, CLChannelCombine, T>;
+
+TEST_SUITE(Configuration)
+DATA_TEST_CASE(RGBA, framework::DatasetMode::ALL, combine(concat(datasets::Small2DShapes(), datasets::Large2DShapes()), framework::dataset::make("FormatType", { Format::RGB888, Format::RGBA8888 })),
+               shape, format)
+{
+    validate_configuration(shape, format);
+}
+DATA_TEST_CASE(YUV, framework::DatasetMode::ALL, combine(concat(datasets::Small2DShapes(), datasets::Large2DShapes()), framework::dataset::make("FormatType", { Format::YUYV422, Format::UYVY422 })),
+               shape, format)
+{
+    validate_configuration(shape, format);
+}
+
+DATA_TEST_CASE(YUVPlanar, framework::DatasetMode::ALL, combine(concat(datasets::Small2DShapes(), datasets::Large2DShapes()), framework::dataset::make("FormatType", { Format::IYUV, Format::YUV444, Format::NV12, Format::NV21 })),
+               shape, format)
+{
+    validate_configuration(shape, format);
+}
+TEST_SUITE_END()
+
+TEST_SUITE(RGBA)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLChannelCombineFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(datasets::Small2DShapes(), framework::dataset::make("FormatType", { Format::RGB888, Format::RGBA8888 })))
+{
+    // Validate output
+    for(unsigned int plane_idx = 0; plane_idx < _num_planes; ++plane_idx)
+    {
+        validate(CLAccessor(*_target.cl_plane(plane_idx)), _reference[plane_idx]);
+    }
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLChannelCombineFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(datasets::Large2DShapes(), framework::dataset::make("FormatType", { Format::RGB888, Format::RGBA8888 })))
+{
+    // Validate output
+    for(unsigned int plane_idx = 0; plane_idx < _num_planes; ++plane_idx)
+    {
+        validate(CLAccessor(*_target.cl_plane(plane_idx)), _reference[plane_idx]);
+    }
+}
+TEST_SUITE_END()
+
+TEST_SUITE(YUV)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLChannelCombineFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(datasets::Small2DShapes(), framework::dataset::make("FormatType", { Format::YUYV422, Format::UYVY422 })))
+{
+    // Validate output
+    for(unsigned int plane_idx = 0; plane_idx < _num_planes; ++plane_idx)
+    {
+        validate(CLAccessor(*_target.cl_plane(plane_idx)), _reference[plane_idx]);
+    }
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLChannelCombineFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(datasets::Large2DShapes(), framework::dataset::make("FormatType", { Format::YUYV422, Format::UYVY422 })))
+{
+    // Validate output
+    for(unsigned int plane_idx = 0; plane_idx < _num_planes; ++plane_idx)
+    {
+        validate(CLAccessor(*_target.cl_plane(plane_idx)), _reference[plane_idx]);
+    }
+}
+TEST_SUITE_END()
+
+TEST_SUITE(YUVPlanar)
+FIXTURE_DATA_TEST_CASE(RunSmall, CLChannelCombineFixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(datasets::Small2DShapes(), framework::dataset::make("FormatType", { Format::NV12, Format::NV21, Format::IYUV, Format::YUV444 })))
+{
+    // Validate output
+    for(unsigned int plane_idx = 0; plane_idx < _num_planes; ++plane_idx)
+    {
+        validate(CLAccessor(*_target.cl_plane(plane_idx)), _reference[plane_idx]);
+    }
+}
+FIXTURE_DATA_TEST_CASE(RunLarge, CLChannelCombineFixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(datasets::Large2DShapes(), framework::dataset::make("FormatType", { Format::NV12, Format::NV21, Format::IYUV, Format::YUV444 })))
+{
+    // Validate output
+    for(unsigned int plane_idx = 0; plane_idx < _num_planes; ++plane_idx)
+    {
+        validate(CLAccessor(*_target.cl_plane(plane_idx)), _reference[plane_idx]);
+    }
+}
+TEST_SUITE_END()
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+
+} // namespace validation
+} // namespace test
+} // namespace arm_compute