// Copyright(c) 2018, Intel Corporation
//
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// 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.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// POSSIBILITY OF SUCH DAMAGE.
extern "C" {
#include <opae/utils.h>
#include <token_list_int.h>
#include "props.h"
const char * xfpga_fpgaErrStr(fpga_result);
fpga_result prop_check_and_lock(struct _fpga_properties*);
fpga_result handle_check_and_lock(struct _fpga_handle*);
fpga_result event_handle_check_and_lock(struct _fpga_event_handle*);
}
#include <opae/properties.h>
#include "mock/test_system.h"
#include "gtest/gtest.h"
#include "types_int.h"
#include "sysfs_int.h"
#include "intel-fpga.h"
#include <opae/fpga.h>
#include "xfpga.h"
#include <cstdarg>


extern "C" {
int xfpga_plugin_initialize(void);
int xfpga_plugin_finalize(void);
}

using namespace opae::testing;

class common_c_p
    : public ::testing::TestWithParam<std::string> {
 protected:
  common_c_p()
  : tokens_{{nullptr, nullptr}},
    handle_(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_);

    ASSERT_EQ(xfpga_plugin_initialize(), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaGetProperties(nullptr, &filter_), FPGA_OK);
    ASSERT_EQ(fpgaPropertiesSetObjectType(filter_, FPGA_DEVICE), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaEnumerate(&filter_, 1, tokens_.data(), tokens_.size(),
                            &num_matches_),
              FPGA_OK);
    ASSERT_EQ(xfpga_fpgaOpen(tokens_[0], &handle_, 0), FPGA_OK);
    ASSERT_EQ(xfpga_fpgaCreateEventHandle(&eh_), FPGA_OK);
  }

  virtual void TearDown() override {
    EXPECT_EQ(fpgaDestroyProperties(&filter_), FPGA_OK);

    for (auto &t : tokens_) {
      if (t) {
        EXPECT_EQ(FPGA_OK, xfpga_fpgaDestroyToken(&t));
        t = nullptr;
      }
    }

    EXPECT_EQ(xfpga_fpgaDestroyEventHandle(&eh_), FPGA_OK);
    if (handle_ != nullptr) { EXPECT_EQ(xfpga_fpgaClose(handle_), FPGA_OK); }
    xfpga_plugin_finalize();
    system_->finalize();
  }

  std::array<fpga_token, 2> tokens_;
  fpga_handle handle_;
  fpga_properties filter_;
  uint32_t num_matches_;
  test_platform platform_;
  test_system *system_;
  fpga_event_handle eh_;
};

/**
 * @test       common_01
 *
 * @brief      Verifies the string returned by fpgaErrStr() for each
 *             fpga_result enumeration value.
 */
TEST(common, fpgaErrStr) {
  EXPECT_STREQ("success",                 xfpga_fpgaErrStr(FPGA_OK));
  EXPECT_STREQ("invalid parameter",       xfpga_fpgaErrStr(FPGA_INVALID_PARAM));
  EXPECT_STREQ("resource busy",           xfpga_fpgaErrStr(FPGA_BUSY));
  EXPECT_STREQ("exception",               xfpga_fpgaErrStr(FPGA_EXCEPTION));
  EXPECT_STREQ("not found",               xfpga_fpgaErrStr(FPGA_NOT_FOUND));
  EXPECT_STREQ("no memory",               xfpga_fpgaErrStr(FPGA_NO_MEMORY));
  EXPECT_STREQ("not supported",           xfpga_fpgaErrStr(FPGA_NOT_SUPPORTED));
  EXPECT_STREQ("no driver available",     xfpga_fpgaErrStr(FPGA_NO_DRIVER));
  EXPECT_STREQ("no fpga daemon running",  xfpga_fpgaErrStr(FPGA_NO_DAEMON));
  EXPECT_STREQ("insufficient privileges", xfpga_fpgaErrStr(FPGA_NO_ACCESS));
  EXPECT_STREQ("reconfiguration error",   xfpga_fpgaErrStr(FPGA_RECONF_ERROR));
}

/**
 * @test       prop_check_and_lock
 *
 * @brief      When fpga_properties magic is invalid
 *             fpga_result returns FPGA_INVALID_PARAM
 */

TEST(common, prop_check_and_lock) {
  struct _fpga_properties *prop;
  prop = opae_properties_create();

  auto res = prop_check_and_lock(prop);
  EXPECT_EQ(FPGA_OK,res);

  prop->magic = 0x123;
  res = prop_check_and_lock(prop);
  EXPECT_EQ(FPGA_INVALID_PARAM,res);

  free(prop);
  prop = nullptr;
}

/**
 * @test       handle_check_and_lock
 *
 * @brief      When fpga_handle magic is invalid
 *             fpga_result returns FPGA_INVALID_PARAM
 */
TEST_P(common_c_p, handle_check_and_lock) {
  struct _fpga_handle *h = (struct _fpga_handle*)handle_;
  h->magic = 0x123;
  auto res = handle_check_and_lock((struct _fpga_handle*)handle_);
  EXPECT_EQ(FPGA_INVALID_PARAM,res);
  h->magic = FPGA_HANDLE_MAGIC;
  res = handle_check_and_lock((struct _fpga_handle*)handle_);
  EXPECT_EQ(FPGA_OK,res);
}

/**
 * @test       event_handle_check_and_lock
 *
 * @brief      When event_fpga_handle magic is invalid
 *             fpga_result returns FPGA_INVALID_PARAM
 */

TEST_P(common_c_p, event_handle_check_and_lock) {
  auto res = event_handle_check_and_lock((struct _fpga_event_handle*)eh_);
  EXPECT_EQ(FPGA_OK,res);
  struct _fpga_event_handle *eh = (struct _fpga_event_handle*)eh_;

  eh->magic = 0x123;
  res = event_handle_check_and_lock((struct _fpga_event_handle*)eh_);
  EXPECT_EQ(FPGA_INVALID_PARAM,res);

  eh->magic = FPGA_EVENT_HANDLE_MAGIC;
  res = event_handle_check_and_lock((struct _fpga_event_handle*)eh_);
  EXPECT_EQ(FPGA_OK,res);
}


INSTANTIATE_TEST_CASE_P(common_c, common_c_p, ::testing::ValuesIn(test_platform::keys(true)));