/****************************************************************************
 * apps/testing/testsuites/kernel/fs/cases/fs_fsync_test.c
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <time.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include "fstest.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#define TESTFILE "FsyncTestFile"
#define BUF                                                             \
  "testData123#$%*-=/ "                                                 \
  "sdafasd37575sasdfasdf356345634563456ADSFASDFASDFQWREdf4as5df4as5dfs" \
  "d ###"

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: test_nuttx_fs_fsync01
 ****************************************************************************/

void test_nuttx_fs_fsync01(FAR void **state)
{
  /* clock_t start, finish; */

  int fd;
  int rval;
  int ret;

  /* open file */

  fd = open(TESTFILE, O_RDWR | O_CREAT, 0700);
  assert_true(fd > 0);

  for (int i = 0; i < 20; i++)
    {
      /* do write */

      rval = write(fd, BUF, sizeof(BUF));
      assert_int_equal(rval, sizeof(BUF));

      /* refresh to storage */

      ret = fsync(fd);
      assert_int_equal(ret, 0);
    }

  close(fd);
}

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: test_nuttx_fs_fsync02
 ****************************************************************************/

void test_nuttx_fs_fsync02(FAR void **state)
{
  int fd;
  int ret;
  char *buf = NULL;
  int bufsize = 4096;
  ssize_t written = 0;
  struct statfs statfsbuf;
  struct fs_testsuites_state_s *test_state;
  struct mallinfo mem_info;

  memset(&mem_info, 0, sizeof(mem_info));
  test_state = (struct fs_testsuites_state_s *)*state;

  /* delete test file */

  unlink(TESTFILE);

  /* open file */

  fd = open(TESTFILE, O_CREAT | O_RDWR, 0777);
  assert_true(fd > 0);

  /* call fstatfs() */

  ret = fstatfs(fd, &statfsbuf);
  assert_int_equal(ret, 0);
#ifdef CONFIG_ARCH_SIM
  bufsize = statfsbuf.f_bsize;
#else
  get_mem_info(&mem_info);
  if (mem_info.mxordblk < statfsbuf.f_bsize)
    {
      bufsize = mem_info.mxordblk - 16;
    }

  else
    {
      bufsize = statfsbuf.f_bsize;
    }

#endif
  syslog(LOG_INFO, "the fbsize = %zu,buffer size=%d\n",
         statfsbuf.f_bsize, bufsize);

  /* malloc memory */

  buf = malloc(bufsize * sizeof(char));
  assert_non_null(buf);
  test_state->ptr = buf;

  /* set memory */

  memset(buf, 0x66, bufsize);

  /* do write */

  written = write(fd, buf, bufsize);
  assert_int_in_range(written, 1, bufsize);

  /* refresh to storage */

  fsync(fd);

  /* call fstatfs() */

  ret = fstatfs(fd, &statfsbuf);
  assert_int_equal(ret, 0);
  close(fd);
}