// Copyright(c) 2018, Intel Corporation

//

// Redistribution  and  use  in source  and  binary  forms,  with  or  without

// modification, are permitted provided that the following conditions are met:

//

// * Redistributions of  source code  must retain the  above copyright notice,

//   this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

// * Neither the name  of Intel Corporation  nor the names of its contributors

//   may be used to  endorse or promote  products derived  from this  software

//   without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT NOT LIMITED TO,  THE

// IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED.  IN NO EVENT  SHALL THE COPYRIGHT OWNER  OR CONTRIBUTORS BE

// LIABLE  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR

// CONSEQUENTIAL  DAMAGES  (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT  OF

// SUBSTITUTE GOODS OR SERVICES;  LOSS OF USE,  DATA, OR PROFITS;  OR BUSINESS

// INTERRUPTION)  HOWEVER CAUSED  AND ON ANY THEORY  OF LIABILITY,  WHETHER IN

// CONTRACT,  STRICT LIABILITY,  OR TORT  (INCLUDING NEGLIGENCE  OR OTHERWISE)

// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,  EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

extern "C" {

#include <json-c/json.h>

#include <uuid/uuid.h>

#include "opae_int.h"

}

#include <opae/fpga.h>

#include "intel-fpga.h"

#include <linux/ioctl.h>

#include <array>

#include <cstdlib>

#include <cstdarg>

#include <map>

#include <memory>

#include <string>

#include <vector>

#include "gtest/gtest.h"

#include "mock/test_system.h"

using namespace opae::testing;

class hostif_c_p : public ::testing::TestWithParam<std::string> {

 protected:

  hostif_c_p() : tokens_{{nullptr, nullptr}} {}

  virtual void SetUp() override {

    ASSERT_TRUE(test_platform::exists(GetParam()));

    platform_ = test_platform::get(GetParam());

    system_ = test_system::instance();

    system_->initialize();

    system_->prepare_syfs(platform_);

    filter_ = nullptr;

    ASSERT_EQ(fpgaInitialize(NULL), FPGA_OK);

    ASSERT_EQ(fpgaGetProperties(nullptr, &filter_), FPGA_OK);

    ASSERT_EQ(fpgaPropertiesSetObjectType(filter_, FPGA_ACCELERATOR), FPGA_OK);

    num_matches_ = 0;

    ASSERT_EQ(fpgaEnumerate(&filter_, 1, tokens_.data(), tokens_.size(),

                            &num_matches_), FPGA_OK);

    EXPECT_GT(num_matches_, 0);

    accel_ = nullptr;

    ASSERT_EQ(fpgaOpen(tokens_[0], &accel_, 0), FPGA_OK);

  }

  virtual void TearDown() override {

    EXPECT_EQ(fpgaDestroyProperties(&filter_), FPGA_OK);

    if (accel_) {

        EXPECT_EQ(fpgaClose(accel_), FPGA_OK);

        accel_ = nullptr;

    }

    for (auto &t : tokens_) {

      if (t) {

        EXPECT_EQ(fpgaDestroyToken(&t), FPGA_OK);

        t = nullptr;

      }

    }

    fpgaFinalize();

    system_->finalize();

  }

  std::array<fpga_token, 2> tokens_;

  fpga_properties filter_;

  fpga_handle accel_;

  test_platform platform_;

  uint32_t num_matches_;

  test_system *system_;

};

/**

 * @test       assign_to_ifc

 * @brief      Test: fpgaAssignToInterface

 * @details    fpgaAssignToInterface is currently unsupported,

 *             and returns FPGA_NOT_SUPPORTED.

 */

TEST_P(hostif_c_p, assign_to_ifc) {

  EXPECT_EQ(fpgaAssignToInterface(accel_, tokens_[0],

		    0, 0), FPGA_NOT_SUPPORTED);

}

/**

 * @test       release_from_ifc

 * @brief      Test: fpgaReleaseFromInterface

 * @details    fpgaReleaseFromInterface is currently unsupported,

 *             and returns FPGA_NOT_SUPPORTED.

 */

TEST_P(hostif_c_p, release_from_ifc) {

  EXPECT_EQ(fpgaReleaseFromInterface(accel_, tokens_[0]),

		     FPGA_NOT_SUPPORTED);

}

INSTANTIATE_TEST_CASE_P(hostif_c, hostif_c_p, 

                        ::testing::ValuesIn(test_platform::platforms({})));

class hostif_c_mock_p : public hostif_c_p{

  protected:

    hostif_c_mock_p() {};

};

/**

 * @test       assign_port

 * @brief      Test: fpgaAssignPortToInterface

 * @details    When fpgaAssignPortToInterface is called with valid params,

 *             then the fn returns FPGA_OK.

 */

TEST_P(hostif_c_mock_p, assign_port) {

  EXPECT_EQ(fpgaAssignPortToInterface(accel_, 0,

			  0, 0), FPGA_OK);

}

INSTANTIATE_TEST_CASE_P(hostif_c, hostif_c_mock_p, 

                        ::testing::ValuesIn(test_platform::mock_platforms({})));