text: /*
   * Copyright (C) 2018-2019 Intel Corporation
   *
   * SPDX-License-Identifier: MIT
   *
   */
  
  #include "core/utilities/debug_settings_reader.h"
  #include "runtime/helpers/file_io.h"
  #include "runtime/os_interface/debug_settings_manager.h"
  #include "runtime/os_interface/ocl_reg_path.h"
  #include "test.h"
  
  #include "gtest/gtest.h"
  
  #include <fstream>
  #include <string>
  
  using namespace NEO;
  using namespace std;
  
  TEST(SettingsReader, Create) {
      SettingsReader *reader = SettingsReader::create(oclRegPath);
      EXPECT_NE(nullptr, reader);
      delete reader;
  }
  
  TEST(SettingsReader, CreateFileReader) {
      bool settingsFileExists = fileExists(SettingsReader::settingsFileName);
      if (!settingsFileExists) {
          char data = 0;
          writeDataToFile(SettingsReader::settingsFileName, &data, 0);
      }
      SettingsReader *reader = SettingsReader::createFileReader();
      EXPECT_NE(nullptr, reader);
  
      if (!settingsFileExists) {
          remove(SettingsReader::settingsFileName);
      }
      delete reader;
  }
  
  TEST(SettingsReader, CreateOsReader) {
      SettingsReader *reader = SettingsReader::createOsReader(false, oclRegPath);
      EXPECT_NE(nullptr, reader);
      delete reader;
  }
  
  TEST(SettingsReader, CreateOsReaderWithRegKey) {
      std::string regKey = oclRegPath;
      unique_ptr<SettingsReader> reader(SettingsReader::createOsReader(false, regKey));
      EXPECT_NE(nullptr, reader);
  }
  
  TEST(SettingsReader, givenPrintDebugStringWhenCalledWithTrueItPrintsToOutput) {
      int i = 4;
      testing::internal::CaptureStdout();
      printDebugString(true, stdout, "testing error %d", i);
      std::string output = testing::internal::GetCapturedStdout();
      EXPECT_STRNE(output.c_str(), "");
  }
  TEST(SettingsReader, givenPrintDebugStringWhenCalledWithFalseThenNothingIsPrinted) {
      int i = 4;
      testing::internal::CaptureStdout();
      printDebugString(false, stderr, "Error String %d", i);
      std::string output = testing::internal::GetCapturedStdout();
      EXPECT_STREQ(output.c_str(), "");
  }
  