//
// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//

#include <boost/test/unit_test.hpp>
#include "ParserFlatbuffersFixture.hpp"
#include "../TfLiteParser.hpp"

#include <string>
#include <iostream>

BOOST_AUTO_TEST_SUITE(TensorflowLiteParser)

struct DepthToSpaceFixture : public ParserFlatbuffersFixture
{
    explicit DepthToSpaceFixture(const std::string& inputShape,
                                 const std::string& outputShape,
                                 const std::string& dataType = "FLOAT32",
                                 const std::string& scale = "1.0",
                                 const std::string& offset = "0")
    {
        m_JsonString = R"(
            {
                "version": 3,
                "operator_codes": [ { "builtin_code": "DEPTH_TO_SPACE" } ],
                "subgraphs": [ {
                    "tensors": [
                        {
                            "shape": )" + inputShape + R"(,
                            "type": )" + dataType + R"(,
                            "buffer": 0,
                            "name": "inputTensor",
                            "quantization": {
                                "min": [ 0.0 ],
                                "max": [ 255.0 ],
                                "scale": [ )" + scale + R"( ],
                                "zero_point": [ )" + offset + R"( ],
                            }
                        },
                        {
                             "shape": )" + outputShape + R"(,
                             "type": )" + dataType + R"(,
                             "buffer": 1,
                             "name": "outputTensor",
                             "quantization": {
                                "min": [ 0.0 ],
                                "max": [ 255.0 ],
                                "scale": [ )" + scale + R"( ],
                                "zero_point": [ )" + offset + R"( ],
                            }
                        }
                    ],
                    "inputs": [ 0 ],
                    "outputs": [ 1 ],
                    "operators": [
                        {
                            "opcode_index": 0,
                            "inputs": [ 0 ],
                            "outputs": [ 1 ],
                            "builtin_options_type": "DepthToSpaceOptions",
                            "builtin_options": {
                              "block_size": 2
                            },
                            "custom_options_format": "FLEXBUFFERS"
                        }
                    ],
                } ],
                "buffers" : [
                    { },
                    { },
                ]
            }
        )";
      SetupSingleInputSingleOutput("inputTensor", "outputTensor");
    }
};

struct SimpleDepthToSpaceFixture : public DepthToSpaceFixture
{
    SimpleDepthToSpaceFixture() : DepthToSpaceFixture("[ 1, 2, 2, 4 ]", "[ 1, 4, 4, 1 ]") {}
};

BOOST_FIXTURE_TEST_CASE(ParseDepthToSpace, SimpleDepthToSpaceFixture)
{
    RunTest<4, armnn::DataType::Float32>
        (0,
         {{ "inputTensor",  { 1.f,  2.f,  3.f,  4.f,
                              5.f,  6.f,  7.f,  8.f,
                              9.f, 10.f, 11.f, 12.f,
                              13.f, 14.f, 15.f, 16.f }}},
         {{ "outputTensor", { 1.f,   2.f,   5.f,   6.f,
                              3.f,   4.f,   7.f,   8.f,
                              9.f,  10.f,  13.f,  14.f,
                              11.f,  12.f,  15.f,  16.f }}});
}

BOOST_AUTO_TEST_SUITE_END()