//*****************************************************************************
// Copyright 2017-2019 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************

#include "gtest/gtest.h"
#include "ngraph/ngraph.hpp"
#include "util/all_close.hpp"
#include "util/all_close_f.hpp"
#include "util/known_element_types.hpp"
#include "util/ndarray.hpp"
#include "util/test_control.hpp"
#include "util/test_tools.hpp"

using namespace std;
using namespace ngraph;

static string s_manifest = "${MANIFEST}";

NGRAPH_TEST(${BACKEND_NAME}, convolution_outlining)
{
    Shape shape_a{1, 2, 2, 2};
    auto A = make_shared<op::Parameter>(element::f32, shape_a);
    Shape shape_b{2, 2, 1, 1};
    auto B = make_shared<op::Parameter>(element::f32, shape_b);
    Shape shape_r{1, 2, 2, 2};
    auto conv1 = make_shared<op::Convolution>(A,
                                              B,
                                              Strides{1, 1},
                                              Strides{1, 1},
                                              CoordinateDiff{0, 0},
                                              CoordinateDiff{0, 0},
                                              Strides{1, 1});
    auto conv2 = make_shared<op::Convolution>(conv1,
                                              B,
                                              Strides{1, 1},
                                              Strides{1, 1},
                                              CoordinateDiff{0, 0},
                                              CoordinateDiff{0, 0},
                                              Strides{1, 1});
    auto f = make_shared<Function>(conv2, ParameterVector{A, B});

    auto backend = runtime::Backend::create("${BACKEND_NAME}");

    // Create some tensors for input/output
    auto a = backend->create_tensor(element::f32, shape_a);
    copy_data(a, vector<float>{1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f});
    auto b = backend->create_tensor(element::f32, shape_b);
    copy_data(b, vector<float>{1.0f, 1.0f, 1.0f, 1.0f});
    auto result = backend->create_tensor(element::f32, shape_r);

    vector<float> expected_result{4.0f, 4.0f, 4.0f, 4.0f, 4.0f, 4.0f, 4.0f, 4.0f};

    auto handle = backend->compile(f);
    handle->call_with_validate({result}, {a, b});
    EXPECT_TRUE(test::all_close_f(vector<float>{expected_result}, read_vector<float>(result)));
}
