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_vfs_jffs.h"
  
  static UINT32 Testcase(VOID)
  {
      INT32 fd[3] = { -1 };
      INT32 ret, len;
      CHAR filebuf[JFFS_STANDARD_NAME_LENGTH] = "1234567890";
      CHAR readbuf[JFFS_STANDARD_NAME_LENGTH] = "";
      CHAR pathname1[JFFS_STANDARD_NAME_LENGTH] = { JFFS_PATH_NAME0 };
      off_t off;
  
      fd[0] = open(pathname1, O_NONBLOCK | O_CREAT | O_RDWR | O_EXCL, HIGHEST_AUTHORITY); // 0 means first fd
      ICUNIT_GOTO_NOT_EQUAL(fd[0], JFFS_IS_ERROR, fd[0], EXIT1); // 0 means first fd
  
      fd[1] = open(pathname1, O_NONBLOCK | O_RDONLY, HIGHEST_AUTHORITY); // 1 means second fd
      ICUNIT_GOTO_NOT_EQUAL(fd[1], JFFS_IS_ERROR, fd[1], EXIT2); // 1 means second fd
  
      ret = close(fd[1]); // 1 means second fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT2);
  
      ret = close(fd[0]); // 0 means first fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
  
      fd[0] = open(pathname1, O_NONBLOCK | O_CREAT | O_WRONLY, HIGHEST_AUTHORITY); // 0 means first fd
      ICUNIT_GOTO_NOT_EQUAL(fd[0], JFFS_IS_ERROR, fd[0], EXIT1); // 0 means first fd
  
      fd[1] = open(pathname1, O_NONBLOCK | O_RDONLY, HIGHEST_AUTHORITY); // 1 means second fd
      ICUNIT_GOTO_NOT_EQUAL(fd[1], JFFS_IS_ERROR, fd[1], EXIT2); // 1 means second fd
  
      fd[2] = open(pathname1, O_NONBLOCK | O_WRONLY, HIGHEST_AUTHORITY); // 2 means third fd
      ICUNIT_GOTO_NOT_EQUAL(fd[2], JFFS_IS_ERROR, fd[2], EXIT3); // 2 means third fd
  
      ret = close(fd[2]); // 2 means third fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT3);
  
      ret = close(fd[1]); // 1 means second fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT2);
  
      ret = close(fd[0]); // 0 means first fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
  
      fd[0] = open(pathname1, O_NONBLOCK | O_CREAT | O_RDONLY, HIGHEST_AUTHORITY); // 0 means first fd
      ICUNIT_GOTO_NOT_EQUAL(fd[0], JFFS_IS_ERROR, fd[0], EXIT1); // 0 means first fd
  
      fd[1] = open(pathname1, O_NONBLOCK | O_RDONLY, HIGHEST_AUTHORITY); // 1 means second fd
      ICUNIT_GOTO_NOT_EQUAL(fd[1], JFFS_IS_ERROR, fd[1], EXIT2); // 1 means second fd
  
      ret = close(fd[1]); // 1 means second fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT2);
  
      ret = close(fd[0]); // 0 means first fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
  
      fd[0] = open(pathname1, O_NONBLOCK | O_RDONLY, HIGHEST_AUTHORITY); // 0 means first fd
      ICUNIT_GOTO_NOT_EQUAL(fd[0], JFFS_IS_ERROR, fd[0], EXIT1); // 0 means first fd
  
      fd[1] = open(pathname1, O_NONBLOCK | O_RDONLY, HIGHEST_AUTHORITY); // 1 means second fd
      ICUNIT_GOTO_NOT_EQUAL(fd[1], JFFS_IS_ERROR, fd[1], EXIT2); // 1 means second fd
  
      fd[2] = open(pathname1, O_NONBLOCK | O_WRONLY, HIGHEST_AUTHORITY); // 2 means third fd
      ICUNIT_GOTO_NOT_EQUAL(fd[2], JFFS_IS_ERROR, fd[2], EXIT3); // 2 means third fd
  
      len = write(fd[0], filebuf, strlen(filebuf)); // 0 means first fd
      ICUNIT_GOTO_EQUAL(len, JFFS_IS_ERROR, len, EXIT3);
      ICUNIT_GOTO_EQUAL(errno, EACCES, errno, EXIT3);
  
      len = write(fd[2], filebuf, strlen(filebuf)); // 2 means third fd
      ICUNIT_GOTO_EQUAL(len, strlen(filebuf), len, EXIT3);
  
      off = lseek(fd[0], 0, SEEK_SET); // 0 means first fd
      ICUNIT_GOTO_EQUAL(off, JFFS_NO_ERROR, off, EXIT3);
  
      len = read(fd[1], readbuf, JFFS_STANDARD_NAME_LENGTH); // 1 means second fd
      ICUNIT_GOTO_EQUAL(len, strlen(filebuf), len, EXIT3);
      ICUNIT_GOTO_STRING_EQUAL(readbuf, filebuf, readbuf, EXIT3);
  
      ret = close(fd[2]); // 2 means third fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT3);
  
      ret = close(fd[1]); // 1 means second fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT2);
  
      ret = close(fd[0]); // 0 means first fd
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT1);
  
      ret = unlink(pathname1);
      ICUNIT_GOTO_EQUAL(ret, JFFS_NO_ERROR, ret, EXIT);
  
      return JFFS_NO_ERROR;
  EXIT3:
      close(fd[2]); // 2 means third fd
  EXIT2:
      close(fd[1]); // 1 means second fd
  EXIT1:
      close(fd[0]); // 0 means first fd
  EXIT:
      unlink(pathname1);
      return JFFS_NO_ERROR;
  }
  
  /* *
  * -@test IT_FS_JFFS_104
  * -@tspec The Function test for open
  * -@ttitle Open the file several times in read-only mode
  * -@tprecon The filesystem module is open
  * -@tbrief
  1. create one file and opened it in read-write mode;
  2. open the file several times in read-only mode
  3. write and read these fd
  4. close and remove all the file
  * -@texpect
  1. Return successed
  2. Return successed
  3. Return successed
  4. Sucessful operation
  * -@tprior 1
  * -@tauto TRUE
  * -@tremark
  */
  
  VOID ItFsJffs104(VOID)
  {
      TEST_ADD_CASE("IT_FS_JFFS_104", Testcase, TEST_VFS, TEST_JFFS, TEST_LEVEL2, TEST_FUNCTION);
  }
  
  