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_fat.h"
  
  static UINT32 TestCase(VOID)
  {
      INT32 ret;
      INT32 len;
      INT32 i = 0;
      INT32 j = 0;
      INT32 fd = 0;
      CHAR pathname[FAT_STANDARD_NAME_LENGTH] = FAT_PATH_NAME;
      CHAR filebuf[258] = "abcdeabcde0123456789abcedfghij9876543210abcdeabcde0123456789abcedfghij9876543210abcdeabcde0123"
          "456789abcedfghij9876543210abcdeabcde0123456789abcedfghij9876543210abcdeabcde0123456789abcedfgh"
          "ij9876543210abcdeabcde0123456789abcedfghij9876543210lalalalalalalala";
      CHAR *bufWrite = NULL;
      CHAR *bufWrite1 = NULL;
      CHAR *bufWrite2 = NULL;
      struct stat buf1[FAT_PRESSURE_CYCLES][FAT_SHORT_ARRAY_LENGTH] = { 0 };
  
      g_fatFlag = 0;
  
      bufWrite = (CHAR *)malloc(5 * BYTES_PER_MBYTES + 1); // 5 * BYTES_PER_MBYTES = 5MB
      ICUNIT_ASSERT_NOT_EQUAL(bufWrite, NULL, 0);
      (void)memset_s(bufWrite, BYTES_PER_MBYTES + 1, 0, 5 * BYTES_PER_MBYTES + 1); // 5 * BYTES_PER_MBYTES = 5MB
  
      bufWrite1 = (CHAR *)malloc(256 * BYTES_PER_KBYTES + 1); // 256 * BYTES_PER_KBYTES = 256KB
      ICUNIT_GOTO_NOT_EQUAL(bufWrite1, NULL, 0, EXIT);
      (void)memset_s(bufWrite1, 256 * BYTES_PER_KBYTES + 1, 0, // 256 kb
          256 * BYTES_PER_KBYTES + 1);                         // 256 * BYTES_PER_KBYTES = 256KB
  
      bufWrite2 = (CHAR *)malloc(16 * BYTES_PER_KBYTES + 1); // 16 * BYTES_PER_KBYTES = 16KB
      ICUNIT_GOTO_NOT_EQUAL(bufWrite2, NULL, 0, EXIT1);
      (void)memset_s(bufWrite2, 16 * BYTES_PER_KBYTES + 1, 0, 16 * BYTES_PER_KBYTES + 1); // 16 kb
  
      for (j = 0; j < 16; j++) {                                     // loop 16 times
          (void)strcat_s(bufWrite2, 16 * BYTES_PER_KBYTES + 1, filebuf); // 16kb
          (void)strcat_s(bufWrite2, 16 * BYTES_PER_KBYTES + 1, filebuf); // 16kb
          (void)strcat_s(bufWrite2, 16 * BYTES_PER_KBYTES + 1, filebuf); // 16kb
          (void)strcat_s(bufWrite2, 16 * BYTES_PER_KBYTES + 1, filebuf); // 16kb
      }
  
      for (i = 0; i < 4; i++) {                                         // loop 4 times
          (void)strcat_s(bufWrite1, 256 * BYTES_PER_KBYTES + 1, bufWrite2); // 256kb
          (void)strcat_s(bufWrite1, 256 * BYTES_PER_KBYTES + 1, bufWrite2); // 256kb
          (void)strcat_s(bufWrite1, 256 * BYTES_PER_KBYTES + 1, bufWrite2); // 256kb
          (void)strcat_s(bufWrite1, 256 * BYTES_PER_KBYTES + 1, bufWrite2); // 256kb
      }
      for (i = 0; i < 5; i++) { // loop 5 times
          (void)strcat_s(bufWrite, 5 * BYTES_PER_MBYTES + 1, bufWrite1);
          (void)strcat_s(bufWrite, 5 * BYTES_PER_MBYTES + 1, bufWrite1);
          (void)strcat_s(bufWrite, 5 * BYTES_PER_MBYTES + 1, bufWrite1);
          (void)strcat_s(bufWrite, 5 * BYTES_PER_MBYTES + 1, bufWrite1);
      }
      free(bufWrite1);
      free(bufWrite2);
  
      for (i = 0; i < FAT_PRESSURE_CYCLES; i++) {
          printf("Loop %d a\n", i + 1);
          fd = open(pathname, O_NONBLOCK | O_CREAT | O_RDWR | O_EXCL, S_IRWXU | S_IRWXG | S_IRWXO);
          ICUNIT_GOTO_NOT_EQUAL(fd, -1, fd, EXIT);
  
          ret = close(fd);
          ICUNIT_GOTO_EQUAL(ret, FAT_NO_ERROR, ret, EXIT);
          printf("Loop %d b\n", i + 1);
  
          for (j = 0; j < 819; j++) { // loop 819 times
              fd = open(pathname, O_NONBLOCK | O_RDWR | O_APPEND, S_IRWXU | S_IRWXG | S_IRWXO);
              ICUNIT_GOTO_NOT_EQUAL(fd, -1, fd, EXIT);
  
              len = write(fd, bufWrite, strlen(bufWrite));
              ICUNIT_GOTO_EQUAL(len, 5 * BYTES_PER_MBYTES, len, EXIT); // 5 * BYTES_PER_MBYTES = 5MB
  
              ret = close(fd);
              ICUNIT_GOTO_EQUAL(ret, FAT_NO_ERROR, ret, EXIT);
          }
          printf("Loop %d c\n", i + 1);
  
          for (j = 0; j < 4; j++) { // loop 4 times
              fd = open(pathname, O_NONBLOCK | O_RDWR | O_APPEND, S_IRWXU | S_IRWXG | S_IRWXO);
              ICUNIT_GOTO_NOT_EQUAL(fd, -1, fd, EXIT);
  
              len = write(fd, filebuf, strlen(filebuf));
              ICUNIT_GOTO_EQUAL(len, 256, len, EXIT); // should write 256 bytes
  
              ret = close(fd);
              ICUNIT_GOTO_EQUAL(ret, FAT_NO_ERROR, ret, EXIT);
          }
          printf("Loop %d d\n", i + 1);
  
          for (j = 0; j < 10; j++) { // loop 10 times
              fd = open(pathname, O_NONBLOCK | O_RDWR, S_IRWXU | S_IRWXG | S_IRWXO);
              ICUNIT_GOTO_NOT_EQUAL(fd, -1, fd, EXIT);
  
              ret = close(fd);
              ICUNIT_GOTO_EQUAL(ret, FAT_NO_ERROR, ret, EXIT);
  
              ret = stat(pathname, &buf1[i][j]);
              ICUNIT_GOTO_EQUAL(ret, FAT_NO_ERROR, ret, EXIT);
          }
  
          ret = remove(pathname);
          ICUNIT_GOTO_EQUAL(ret, FAT_NO_ERROR, ret, EXIT);
  
          g_fatFlag++;
  
          printf("\tg_fatFlag=:%d\t", g_fatFlag);
      }
  
      free(bufWrite);
  
      return FAT_NO_ERROR;
  EXIT1:
      free(bufWrite1);
  EXIT:
      free(bufWrite);
      close(fd);
      remove(pathname);
      return FAT_NO_ERROR;
  }
  
  /* *
  * -@test IT_FS_FAT_PRESSURE_030
  * -@tspec The Pressure test
  * -@ttitle write the file to 4GB
  * -@tprecon The filesystem module is open
  * -@tbrief
  1. create two tasks;
  2. the first task write the file to 4GB;
  3. the second task write one byte to the file once more;
  4. delete the files;
  * -@texpect
  1. Return successed
  2. Return successed
  3. Return failure
  4. Sucessful operation
  * -@tprior 1
  * -@tauto TRUE
  * -@tremark
  */
  
  VOID ItFsFatPressure030(VOID)
  {
      TEST_ADD_CASE("IT_FS_FAT_PRESSURE_030", TestCase, TEST_VFS, TEST_VFAT, TEST_LEVEL3, TEST_PRESSURE);
  }
  