/* Copyright libuv project contributors. All rights reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to

 * deal in the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#include "uv.h"

#include "task.h"

#include <string.h>

#define PATHMAX 4096

#define SMALLPATH 1

TEST_IMPL(tmpdir) {

  char tmpdir[PATHMAX];

  size_t len;

  char last;

  int r;

  /* Test the normal case */

  len = sizeof tmpdir;

  tmpdir[0] = '\0';

  ASSERT(strlen(tmpdir) == 0);

  r = uv_os_tmpdir(tmpdir, &len;;

  ASSERT(r == 0);

  ASSERT(strlen(tmpdir) == len);

  ASSERT(len > 0);

  ASSERT(tmpdir[len] == '\0');

  if (len > 1) {

    last = tmpdir[len - 1];

#ifdef _WIN32

    ASSERT(last != '\\');

#else

    ASSERT(last != '/');

#endif

  }

  /* Test the case where the buffer is too small */

  len = SMALLPATH;

  r = uv_os_tmpdir(tmpdir, &len;;

  ASSERT(r == UV_ENOBUFS);

  ASSERT(len > SMALLPATH);

  /* Test invalid inputs */

  r = uv_os_tmpdir(NULL, &len;;

  ASSERT(r == UV_EINVAL);

  r = uv_os_tmpdir(tmpdir, NULL);

  ASSERT(r == UV_EINVAL);

  len = 0;

  r = uv_os_tmpdir(tmpdir, &len;;

  ASSERT(r == UV_EINVAL);

#ifdef _WIN32

  const char *name = "TMP";

  char tmpdir_win[] = "C:\\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";

  r = uv_os_setenv(name, tmpdir_win);

  ASSERT(r == 0);

  char tmpdirx[PATHMAX];

  size_t lenx = sizeof tmpdirx;

  r = uv_os_tmpdir(tmpdirx, &lenx);

  ASSERT(r == 0);

#endif

  return 0;

}