text: /*
   * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
   * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this list of
   * conditions and the following disclaimer.
   *
   * 2. 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.
   *
   * 3. Neither the name of the copyright holder 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 HOLDER 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.
   */
  #include "it_test_process.h"
  
  static const int TEST_COUNT = 10;
  
  static void *ThreadFunc2(void *arg) {}
  
  static int ProcessTest001(void)
  {
      int ret;
      int status;
      int pid;
      int data;
      pthread_t newPthread, newPthread1;
      int currProcessPri = getpriority(PRIO_PROCESS, getpid());
      ICUNIT_ASSERT_WITHIN_EQUAL(currProcessPri, 0, 31, currProcessPri); // 31, assert currProcessPri equal to this.
  
      ret = setpriority(PRIO_PROCESS, getpid(), currProcessPri - 2); // 2, Used to calculate priorities.
      ICUNIT_ASSERT_EQUAL(ret, 0, ret);
  
      data = ret;
      ret = pthread_create(&newPthread, NULL, ThreadFunc2, &data);
      ICUNIT_ASSERT_EQUAL(ret, 0, ret);
  
      exit(255); // 255, exit args
      return 0;
  }
  
  static int Testcase(void)
  {
      int ret;
      int status;
      int pid;
      int count = TEST_COUNT;
  
      int temp = GetCpuCount();
      if (temp <= 1) {
          return 0;
      }
  
      while (count > 0) {
          ret = fork();
          if (ret == 0) {
              ret = ProcessTest001();
              exit(10); // 10, exit args
          } else if (ret > 0) {
              pid = ret;
              ret = wait(&status);
              status = WEXITSTATUS(status);
              ICUNIT_ASSERT_EQUAL(ret, pid, ret);
              ICUNIT_ASSERT_EQUAL(status, 255, status); // 255, assert that function Result is equal to this.
          }
  
          ICUNIT_ASSERT_WITHIN_EQUAL(ret, 0, 100000, ret); // 100000, assert that function Result is equal to this.
          count--;
      }
  
      return 0;
  }
  
  void ItTestProcess010(void)
  {
      TEST_ADD_CASE("IT_POSIX_PROCESS_010", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
  }
  