/*
 * Copyright (c) 2017-2019 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/functions/CLGaussian3x3.h"
#include "arm_compute/runtime/Tensor.h"
#include "arm_compute/runtime/TensorAllocator.h"
#include "tests/CL/CLAccessor.h"
#include "tests/PaddingCalculator.h"
#include "tests/datasets/BorderModeDataset.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/Gaussian3x3Fixture.h"

namespace arm_compute
{
namespace test
{
namespace validation
{
namespace
{
constexpr unsigned int filter_size = 3;              /* Size of the kernel/filter in number of elements. */
constexpr BorderSize   border_size(filter_size / 2); /* Border size of the kernel/filter around its central element. */
} // namespace

TEST_SUITE(CL)
TEST_SUITE(Gaussian3x3)

DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(datasets::SmallShapes(), framework::dataset::make("DataType", DataType::U8)),
                                                                   datasets::BorderModes()),
               shape, data_type, border_mode)
{
    // Create tensors
    CLTensor src = create_tensor<CLTensor>(shape, data_type);
    CLTensor dst = create_tensor<CLTensor>(shape, data_type);

    ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
    ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);

    // Create and configure function
    CLGaussian3x3 gaussian3x3;
    gaussian3x3.configure(&src, &dst, border_mode);

    // Validate valid region
    const ValidRegion dst_valid_region = shape_to_valid_region(shape, (border_mode == BorderMode::UNDEFINED), border_size);
    validate(dst.info()->valid_region(), dst_valid_region);

    // Validate padding
    PaddingCalculator calculator(shape.x(), 8);
    calculator.set_border_size(1);
    calculator.set_border_mode(border_mode);

    const PaddingSize dst_padding = calculator.required_padding();

    calculator.set_accessed_elements(16);
    calculator.set_access_offset(-1);

    const PaddingSize src_padding = calculator.required_padding();

    validate(src.info()->padding(), src_padding);
    validate(dst.info()->padding(), dst_padding);
}

template <typename T>
using CLGaussian3x3Fixture = Gaussian3x3ValidationFixture<CLTensor, CLAccessor, CLGaussian3x3, T>;

FIXTURE_DATA_TEST_CASE(RunSmall, CLGaussian3x3Fixture<uint8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(datasets::SmallShapes(), framework::dataset::make("DataType",
                                                                                                                   DataType::U8)),
                                                                                                           datasets::BorderModes()))
{
    // Validate output
    validate(CLAccessor(_target), _reference, shape_to_valid_region(_reference.shape(), (_border_mode == BorderMode::UNDEFINED), border_size));
}
FIXTURE_DATA_TEST_CASE(RunLarge, CLGaussian3x3Fixture<uint8_t>, framework::DatasetMode::NIGHTLY, combine(combine(datasets::LargeShapes(), framework::dataset::make("DataType",
                                                                                                                 DataType::U8)),
                                                                                                         datasets::BorderModes()))
{
    // Validate output
    validate(CLAccessor(_target), _reference, shape_to_valid_region(_reference.shape(), (_border_mode == BorderMode::UNDEFINED), border_size));
}

TEST_SUITE_END()
TEST_SUITE_END()
} // namespace validation
} // namespace test
} // namespace arm_compute
