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Alien-uv

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 * 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 <errno.h>
#include <string.h> /* memset */
#include <fcntl.h>
#include <sys/stat.h>
#include <limits.h> /* INT_MAX, PATH_MAX, IOV_MAX */

/* FIXME we shouldn't need to branch in this file */
#if defined(__unix__) || defined(__POSIX__) || \
    defined(__APPLE__) || defined(__sun) || \
    defined(_AIX) || defined(__MVS__)
#include <unistd.h> /* unlink, rmdir, etc. */
#else
# include <winioctl.h>
# include <direct.h>
# include <io.h>
# ifndef ERROR_SYMLINK_NOT_SUPPORTED
#  define ERROR_SYMLINK_NOT_SUPPORTED 1464
# endif
# define unlink _unlink
# define rmdir _rmdir
# define open _open
# define write _write
# define close _close
# ifndef stat
#  define stat _stati64
# endif
# ifndef lseek
#   define lseek _lseek
# endif
#endif

#define TOO_LONG_NAME_LENGTH 65536
#define PATHMAX 1024

typedef struct {
  const char* path;
  double atime;
  double mtime;
} utime_check_t;


static int dummy_cb_count;
static int close_cb_count;
static int create_cb_count;
static int open_cb_count;
static int read_cb_count;
static int write_cb_count;
static int unlink_cb_count;
static int mkdir_cb_count;
static int mkdtemp_cb_count;
static int rmdir_cb_count;
static int scandir_cb_count;
static int stat_cb_count;
static int rename_cb_count;
static int fsync_cb_count;
static int fdatasync_cb_count;
static int ftruncate_cb_count;
static int sendfile_cb_count;
static int fstat_cb_count;
static int access_cb_count;
static int chmod_cb_count;
static int fchmod_cb_count;
static int chown_cb_count;
static int fchown_cb_count;
static int lchown_cb_count;
static int link_cb_count;
static int symlink_cb_count;
static int readlink_cb_count;
static int realpath_cb_count;
static int utime_cb_count;
static int futime_cb_count;

static uv_loop_t* loop;

static uv_fs_t open_req1;
static uv_fs_t open_req2;
static uv_fs_t read_req;
static uv_fs_t write_req;
static uv_fs_t unlink_req;
static uv_fs_t close_req;
static uv_fs_t mkdir_req;
static uv_fs_t mkdtemp_req1;
static uv_fs_t mkdtemp_req2;
static uv_fs_t rmdir_req;
static uv_fs_t scandir_req;
static uv_fs_t stat_req;
static uv_fs_t rename_req;
static uv_fs_t fsync_req;
static uv_fs_t fdatasync_req;
static uv_fs_t ftruncate_req;
static uv_fs_t sendfile_req;
static uv_fs_t utime_req;
static uv_fs_t futime_req;

static char buf[32];
static char buf2[32];
static char test_buf[] = "test-buffer\n";
static char test_buf2[] = "second-buffer\n";
static uv_buf_t iov;

#ifdef _WIN32
int uv_test_getiovmax(void) {
  return INT32_MAX; /* Emulated by libuv, so no real limit. */
}
#else
int uv_test_getiovmax(void) {
#if defined(IOV_MAX)
  return IOV_MAX;
#elif defined(_SC_IOV_MAX)
  static int iovmax = -1;
  if (iovmax == -1) {
    iovmax = sysconf(_SC_IOV_MAX);
    /* On some embedded devices (arm-linux-uclibc based ip camera),
     * sysconf(_SC_IOV_MAX) can not get the correct value. The return
     * value is -1 and the errno is EINPROGRESS. Degrade the value to 1.
     */
    if (iovmax == -1) iovmax = 1;
  }
  return iovmax;
#else
  return 1024;
#endif
}
#endif

#ifdef _WIN32
/*
 * This tag and guid have no special meaning, and don't conflict with
 * reserved ids.
*/
static unsigned REPARSE_TAG = 0x9913;
static GUID REPARSE_GUID = {
  0x1bf6205f, 0x46ae, 0x4527,
  { 0xb1, 0x0c, 0xc5, 0x09, 0xb7, 0x55, 0x22, 0x80 }};
#endif

static void check_permission(const char* filename, unsigned int mode) {
  int r;
  uv_fs_t req;
  uv_stat_t* s;

  r = uv_fs_stat(NULL, &req, filename, NULL);
  ASSERT(r == 0);
  ASSERT(req.result == 0);

  s = &req.statbuf;
#if defined(_WIN32) || defined(__CYGWIN__) || defined(__MSYS__)

libuv/test/test-fs.c view on Meta::CPAN

  ASSERT(req->fs_type == UV_FS_OPEN);
  if (req->result < 0) {
    fprintf(stderr, "async open error: %d\n", (int) req->result);
    ASSERT(0);
  }
  open_cb_count++;
  ASSERT(req->path);
  uv_fs_req_cleanup(req);
}


static void fsync_cb(uv_fs_t* req) {
  int r;
  ASSERT(req == &fsync_req);
  ASSERT(req->fs_type == UV_FS_FSYNC);
  ASSERT(req->result == 0);
  fsync_cb_count++;
  uv_fs_req_cleanup(req);
  r = uv_fs_close(loop, &close_req, open_req1.result, close_cb);
  ASSERT(r == 0);
}


static void fdatasync_cb(uv_fs_t* req) {
  int r;
  ASSERT(req == &fdatasync_req);
  ASSERT(req->fs_type == UV_FS_FDATASYNC);
  ASSERT(req->result == 0);
  fdatasync_cb_count++;
  uv_fs_req_cleanup(req);
  r = uv_fs_fsync(loop, &fsync_req, open_req1.result, fsync_cb);
  ASSERT(r == 0);
}


static void write_cb(uv_fs_t* req) {
  int r;
  ASSERT(req == &write_req);
  ASSERT(req->fs_type == UV_FS_WRITE);
  ASSERT(req->result >= 0);  /* FIXME(bnoordhuis) Check if requested size? */
  write_cb_count++;
  uv_fs_req_cleanup(req);
  r = uv_fs_fdatasync(loop, &fdatasync_req, open_req1.result, fdatasync_cb);
  ASSERT(r == 0);
}


static void create_cb(uv_fs_t* req) {
  int r;
  ASSERT(req == &open_req1);
  ASSERT(req->fs_type == UV_FS_OPEN);
  ASSERT(req->result >= 0);
  create_cb_count++;
  uv_fs_req_cleanup(req);
  iov = uv_buf_init(test_buf, sizeof(test_buf));
  r = uv_fs_write(loop, &write_req, req->result, &iov, 1, -1, write_cb);
  ASSERT(r == 0);
}


static void rename_cb(uv_fs_t* req) {
  ASSERT(req == &rename_req);
  ASSERT(req->fs_type == UV_FS_RENAME);
  ASSERT(req->result == 0);
  rename_cb_count++;
  uv_fs_req_cleanup(req);
}


static void mkdir_cb(uv_fs_t* req) {
  ASSERT(req == &mkdir_req);
  ASSERT(req->fs_type == UV_FS_MKDIR);
  ASSERT(req->result == 0);
  mkdir_cb_count++;
  ASSERT(req->path);
  ASSERT(memcmp(req->path, "test_dir\0", 9) == 0);
  uv_fs_req_cleanup(req);
}


static void check_mkdtemp_result(uv_fs_t* req) {
  int r;

  ASSERT(req->fs_type == UV_FS_MKDTEMP);
  ASSERT(req->result == 0);
  ASSERT(req->path);
  ASSERT(strlen(req->path) == 15);
  ASSERT(memcmp(req->path, "test_dir_", 9) == 0);
  ASSERT(memcmp(req->path + 9, "XXXXXX", 6) != 0);
  check_permission(req->path, 0700);

  /* Check if req->path is actually a directory */
  r = uv_fs_stat(NULL, &stat_req, req->path, NULL);
  ASSERT(r == 0);
  ASSERT(((uv_stat_t*)stat_req.ptr)->st_mode & S_IFDIR);
  uv_fs_req_cleanup(&stat_req);
}


static void mkdtemp_cb(uv_fs_t* req) {
  ASSERT(req == &mkdtemp_req1);
  check_mkdtemp_result(req);
  mkdtemp_cb_count++;
}


static void rmdir_cb(uv_fs_t* req) {
  ASSERT(req == &rmdir_req);
  ASSERT(req->fs_type == UV_FS_RMDIR);
  ASSERT(req->result == 0);
  rmdir_cb_count++;
  ASSERT(req->path);
  ASSERT(memcmp(req->path, "test_dir\0", 9) == 0);
  uv_fs_req_cleanup(req);
}


static void assert_is_file_type(uv_dirent_t dent) {
#ifdef HAVE_DIRENT_TYPES
  /*
   * For Apple and Windows, we know getdents is expected to work but for other
   * environments, the filesystem dictates whether or not getdents supports
   * returning the file type.
   *
   *   See:

libuv/test/test-fs.c view on Meta::CPAN

  ASSERT(req.result == 0);
  s = &req.statbuf;

  ASSERT(s->st_atim.tv_sec + (s->st_atim.tv_nsec / 1000000000.0) == atime);
  ASSERT(s->st_mtim.tv_sec + (s->st_mtim.tv_nsec / 1000000000.0) == mtime);

  uv_fs_req_cleanup(&req);
}


static void utime_cb(uv_fs_t* req) {
  utime_check_t* c;

  ASSERT(req == &utime_req);
  ASSERT(req->result == 0);
  ASSERT(req->fs_type == UV_FS_UTIME);

  c = req->data;
  check_utime(c->path, c->atime, c->mtime);

  uv_fs_req_cleanup(req);
  utime_cb_count++;
}


static void futime_cb(uv_fs_t* req) {
  utime_check_t* c;

  ASSERT(req == &futime_req);
  ASSERT(req->result == 0);
  ASSERT(req->fs_type == UV_FS_FUTIME);

  c = req->data;
  check_utime(c->path, c->atime, c->mtime);

  uv_fs_req_cleanup(req);
  futime_cb_count++;
}


TEST_IMPL(fs_file_async) {
  int r;

  /* Setup. */
  unlink("test_file");
  unlink("test_file2");

  loop = uv_default_loop();

  r = uv_fs_open(loop, &open_req1, "test_file", O_WRONLY | O_CREAT,
      S_IRUSR | S_IWUSR, create_cb);
  ASSERT(r == 0);
  uv_run(loop, UV_RUN_DEFAULT);

  ASSERT(create_cb_count == 1);
  ASSERT(write_cb_count == 1);
  ASSERT(fsync_cb_count == 1);
  ASSERT(fdatasync_cb_count == 1);
  ASSERT(close_cb_count == 1);

  r = uv_fs_rename(loop, &rename_req, "test_file", "test_file2", rename_cb);
  ASSERT(r == 0);

  uv_run(loop, UV_RUN_DEFAULT);
  ASSERT(create_cb_count == 1);
  ASSERT(write_cb_count == 1);
  ASSERT(close_cb_count == 1);
  ASSERT(rename_cb_count == 1);

  r = uv_fs_open(loop, &open_req1, "test_file2", O_RDWR, 0, open_cb);
  ASSERT(r == 0);

  uv_run(loop, UV_RUN_DEFAULT);
  ASSERT(open_cb_count == 1);
  ASSERT(read_cb_count == 1);
  ASSERT(close_cb_count == 2);
  ASSERT(rename_cb_count == 1);
  ASSERT(create_cb_count == 1);
  ASSERT(write_cb_count == 1);
  ASSERT(ftruncate_cb_count == 1);

  r = uv_fs_open(loop, &open_req1, "test_file2", O_RDONLY, 0, open_cb);
  ASSERT(r == 0);

  uv_run(loop, UV_RUN_DEFAULT);
  ASSERT(open_cb_count == 2);
  ASSERT(read_cb_count == 2);
  ASSERT(close_cb_count == 3);
  ASSERT(rename_cb_count == 1);
  ASSERT(unlink_cb_count == 1);
  ASSERT(create_cb_count == 1);
  ASSERT(write_cb_count == 1);
  ASSERT(ftruncate_cb_count == 1);

  /* Cleanup. */
  unlink("test_file");
  unlink("test_file2");

  MAKE_VALGRIND_HAPPY();
  return 0;
}


TEST_IMPL(fs_file_sync) {
  int r;

  /* Setup. */
  unlink("test_file");
  unlink("test_file2");

  loop = uv_default_loop();

  r = uv_fs_open(loop, &open_req1, "test_file", O_WRONLY | O_CREAT,
      S_IWUSR | S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(test_buf, sizeof(test_buf));
  r = uv_fs_write(NULL, &write_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(write_req.result >= 0);
  uv_fs_req_cleanup(&write_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_open(NULL, &open_req1, "test_file", O_RDWR, 0, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(buf, sizeof(buf));
  r = uv_fs_read(NULL, &read_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(read_req.result >= 0);
  ASSERT(strcmp(buf, test_buf) == 0);
  uv_fs_req_cleanup(&read_req);

  r = uv_fs_ftruncate(NULL, &ftruncate_req, open_req1.result, 7, NULL);
  ASSERT(r == 0);
  ASSERT(ftruncate_req.result == 0);
  uv_fs_req_cleanup(&ftruncate_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_rename(NULL, &rename_req, "test_file", "test_file2", NULL);
  ASSERT(r == 0);
  ASSERT(rename_req.result == 0);
  uv_fs_req_cleanup(&rename_req);

  r = uv_fs_open(NULL, &open_req1, "test_file2", O_RDONLY, 0, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  memset(buf, 0, sizeof(buf));
  iov = uv_buf_init(buf, sizeof(buf));
  r = uv_fs_read(NULL, &read_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(read_req.result >= 0);
  ASSERT(strcmp(buf, "test-bu") == 0);
  uv_fs_req_cleanup(&read_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_unlink(NULL, &unlink_req, "test_file2", NULL);
  ASSERT(r == 0);
  ASSERT(unlink_req.result == 0);
  uv_fs_req_cleanup(&unlink_req);

  /* Cleanup */
  unlink("test_file");
  unlink("test_file2");

  MAKE_VALGRIND_HAPPY();
  return 0;
}


TEST_IMPL(fs_file_write_null_buffer) {
  int r;

  /* Setup. */
  unlink("test_file");

  loop = uv_default_loop();

  r = uv_fs_open(NULL, &open_req1, "test_file", O_WRONLY | O_CREAT,
      S_IWUSR | S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(NULL, 0);
  r = uv_fs_write(NULL, &write_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r == 0);
  ASSERT(write_req.result == 0);
  uv_fs_req_cleanup(&write_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  unlink("test_file");

libuv/test/test-fs.c view on Meta::CPAN

      S_IWUSR | S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(test_buf, sizeof(test_buf));
  r = uv_fs_write(NULL, &write_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(write_req.result >= 0);
  uv_fs_req_cleanup(&write_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_open(NULL, &open_req1, "test_file", O_RDWR | O_APPEND, 0, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(test_buf, sizeof(test_buf));
  r = uv_fs_write(NULL, &write_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(write_req.result >= 0);
  uv_fs_req_cleanup(&write_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_open(NULL, &open_req1, "test_file", O_RDONLY, S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(buf, sizeof(buf));
  r = uv_fs_read(NULL, &read_req, open_req1.result, &iov, 1, -1, NULL);
  printf("read = %d\n", r);
  ASSERT(r == 26);
  ASSERT(read_req.result == 26);
  ASSERT(memcmp(buf,
                "test-buffer\n\0test-buffer\n\0",
                sizeof("test-buffer\n\0test-buffer\n\0") - 1) == 0);
  uv_fs_req_cleanup(&read_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  /* Cleanup */
  unlink("test_file");

  MAKE_VALGRIND_HAPPY();
  return 0;
}


TEST_IMPL(fs_rename_to_existing_file) {
  int r;

  /* Setup. */
  unlink("test_file");
  unlink("test_file2");

  loop = uv_default_loop();

  r = uv_fs_open(NULL, &open_req1, "test_file", O_WRONLY | O_CREAT,
      S_IWUSR | S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(test_buf, sizeof(test_buf));
  r = uv_fs_write(NULL, &write_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(write_req.result >= 0);
  uv_fs_req_cleanup(&write_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_open(NULL, &open_req1, "test_file2", O_WRONLY | O_CREAT,
      S_IWUSR | S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_rename(NULL, &rename_req, "test_file", "test_file2", NULL);
  ASSERT(r == 0);
  ASSERT(rename_req.result == 0);
  uv_fs_req_cleanup(&rename_req);

  r = uv_fs_open(NULL, &open_req1, "test_file2", O_RDONLY, 0, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  memset(buf, 0, sizeof(buf));
  iov = uv_buf_init(buf, sizeof(buf));
  r = uv_fs_read(NULL, &read_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(read_req.result >= 0);
  ASSERT(strcmp(buf, test_buf) == 0);
  uv_fs_req_cleanup(&read_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  /* Cleanup */
  unlink("test_file");
  unlink("test_file2");

  MAKE_VALGRIND_HAPPY();
  return 0;
}


TEST_IMPL(fs_read_file_eof) {
#if defined(__CYGWIN__) || defined(__MSYS__)
  RETURN_SKIP("Cygwin pread at EOF may (incorrectly) return data!");
#endif
  int r;

  /* Setup. */
  unlink("test_file");

  loop = uv_default_loop();

  r = uv_fs_open(NULL, &open_req1, "test_file", O_WRONLY | O_CREAT,
      S_IWUSR | S_IRUSR, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  iov = uv_buf_init(test_buf, sizeof(test_buf));
  r = uv_fs_write(NULL, &write_req, open_req1.result, &iov, 1, -1, NULL);
  ASSERT(r >= 0);
  ASSERT(write_req.result >= 0);
  uv_fs_req_cleanup(&write_req);

  r = uv_fs_close(NULL, &close_req, open_req1.result, NULL);
  ASSERT(r == 0);
  ASSERT(close_req.result == 0);
  uv_fs_req_cleanup(&close_req);

  r = uv_fs_open(NULL, &open_req1, "test_file", O_RDONLY, 0, NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

libuv/test/test-fs.c view on Meta::CPAN

}

TEST_IMPL(fs_null_req) {
  /* Verify that all fs functions return UV_EINVAL when the request is NULL. */
  int r;

  r = uv_fs_open(NULL, NULL, NULL, 0, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_close(NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_read(NULL, NULL, 0, NULL, 0, -1, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_write(NULL, NULL, 0, NULL, 0, -1, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_unlink(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_mkdir(NULL, NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_mkdtemp(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_rmdir(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_scandir(NULL, NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_link(NULL, NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_symlink(NULL, NULL, NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_readlink(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_realpath(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_chown(NULL, NULL, NULL, 0, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_fchown(NULL, NULL, 0, 0, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_stat(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_lstat(NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_fstat(NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_rename(NULL, NULL, NULL, NULL, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_fsync(NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_fdatasync(NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_ftruncate(NULL, NULL, 0, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_copyfile(NULL, NULL, NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_sendfile(NULL, NULL, 0, 0, 0, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_access(NULL, NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_chmod(NULL, NULL, NULL, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_fchmod(NULL, NULL, 0, 0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_utime(NULL, NULL, NULL, 0.0, 0.0, NULL);
  ASSERT(r == UV_EINVAL);

  r = uv_fs_futime(NULL, NULL, 0, 0.0, 0.0, NULL);
  ASSERT(r == UV_EINVAL);

  /* This should be a no-op. */
  uv_fs_req_cleanup(NULL);

  return 0;
}

#ifdef _WIN32
TEST_IMPL(fs_exclusive_sharing_mode) {
  int r;

  /* Setup. */
  unlink("test_file");

  ASSERT(UV_FS_O_EXLOCK > 0);

  r = uv_fs_open(NULL,
                 &open_req1,
                 "test_file",
                 O_RDWR | O_CREAT | UV_FS_O_EXLOCK,
                 S_IWUSR | S_IRUSR,
                 NULL);
  ASSERT(r >= 0);
  ASSERT(open_req1.result >= 0);
  uv_fs_req_cleanup(&open_req1);

  r = uv_fs_open(NULL,
                 &open_req2,
                 "test_file",

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