/* GLIB - Library of useful routines for C programming

 * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, see <http://www.gnu.org/licenses/>.

 */

/*

 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GLib Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GLib at ftp://ftp.gtk.org/pub/gtk/. 

 */

#undef G_DISABLE_ASSERT

#undef G_LOG_DOMAIN

#ifdef GLIB_COMPILATION

#undef GLIB_COMPILATION

#endif

#include <string.h>

#include <glib.h>

#include <gstdio.h>

#include <fcntl.h>		/* For open() */

#ifdef G_OS_UNIX

#include <unistd.h>

#endif

#ifdef G_OS_WIN32

#include <io.h>			/* For read(), write() etc */

#endif

static void

test_mkstemp (void)

{

  char template[32];

  int fd;

  int i;

  const char hello[] = "Hello, World";

  const int hellolen = sizeof (hello) - 1;

  char chars[62];

  strcpy (template, "foobar");

  fd = g_mkstemp (template);

  if (fd != -1)

    {

      g_warning ("g_mkstemp works even if template doesn't contain XXXXXX");

      close (fd);

    }

  strcpy (template, "foobarXXX");

  fd = g_mkstemp (template);

  if (fd != -1)

    {

      g_warning ("g_mkstemp works even if template contains less than six X");

      close (fd);

    }

  strcpy (template, "fooXXXXXX");

  fd = g_mkstemp (template);

  g_assert (fd != -1 && "g_mkstemp didn't work for template fooXXXXXX");

  i = write (fd, hello, hellolen);

  g_assert (i != -1 && "write() failed");

  g_assert (i == hellolen && "write() has written too few bytes");

  lseek (fd, 0, 0);

  i = read (fd, chars, sizeof (chars));

  g_assert (i != -1 && "read() failed: %s");

  g_assert (i == hellolen && "read() has got wrong number of bytes");

  chars[i] = 0;

  g_assert (strcmp (chars, hello) == 0 && "read() didn't get same string back");

  close (fd);

  remove (template);

  strcpy (template, "fooXXXXXX.pdf");

  fd = g_mkstemp (template);

  g_assert (fd != -1 && "g_mkstemp didn't work for template fooXXXXXX.pdf");

  close (fd);

  remove (template);

}

static void

test_mkdtemp (void)

{

  char template[32], *retval;

  int fd;

  int i;

  strcpy (template, "foodir");

  retval = g_mkdtemp (template);

  if (retval != NULL)

    {

      g_warning ("g_mkdtemp works even if template doesn't contain XXXXXX");

      g_rmdir (retval);

    }

  strcpy (template, "foodir");

  retval = g_mkdtemp (template);

  if (retval != NULL)

    {

      g_warning ("g_mkdtemp works even if template contains less than six X");

      g_rmdir (retval);

    }

  strcpy (template, "fooXXXXXX");

  retval = g_mkdtemp (template);

  g_assert (retval != NULL && "g_mkdtemp didn't work for template fooXXXXXX");

  g_assert (retval == template && "g_mkdtemp allocated the resulting string?");

  g_assert (!g_file_test (template, G_FILE_TEST_IS_REGULAR));

  g_assert (g_file_test (template, G_FILE_TEST_IS_DIR));

  strcat (template, "/abc");

  fd = g_open (template, O_WRONLY | O_CREAT, 0600);

  g_assert (fd != -1 && "couldn't open file in temporary directory");

  close (fd);

  g_assert (g_file_test (template, G_FILE_TEST_IS_REGULAR));

  i = g_unlink (template);

  g_assert (i != -1 && "couldn't unlink file in temporary directory");

  template[9] = '\0';

  i = g_rmdir (template);

  g_assert (i != -1 && "couldn't remove temporary directory");

  strcpy (template, "fooXXXXXX.dir");

  retval = g_mkdtemp (template);

  g_assert (retval != NULL && "g_mkdtemp didn't work for template fooXXXXXX.dir");

  g_assert (g_file_test (template, G_FILE_TEST_IS_DIR));

  g_rmdir (template);

}

static void

test_readlink (void)

{

#ifdef HAVE_SYMLINK

  FILE *file;

  int result;

  char *filename = "file-test-data";

  char *link1 = "file-test-link1";

  char *link2 = "file-test-link2";

  char *link3 = "file-test-link3";

  char *data;

  GError *error;

  file = fopen (filename, "w");

  g_assert (file != NULL && "fopen() failed");

  fclose (file);

  result = symlink (filename, link1);

  g_assert (result == 0 && "symlink() failed");

  result = symlink (link1, link2);

  g_assert (result == 0 && "symlink() failed");

  error = NULL;

  data = g_file_read_link (link1, &error);

  g_assert (data != NULL && "couldn't read link1");

  g_assert (strcmp (data, filename) == 0 && "link1 contains wrong data");

  g_free (data);

  error = NULL;

  data = g_file_read_link (link2, &error);

  g_assert (data != NULL && "couldn't read link2");

  g_assert (strcmp (data, link1) == 0 && "link2 contains wrong data");

  g_free (data);

  error = NULL;

  data = g_file_read_link (link3, &error);

  g_assert (data == NULL && "could read link3");

  g_assert_error (error, G_FILE_ERROR, G_FILE_ERROR_NOENT);

  g_error_free (error);

  error = NULL;

  data = g_file_read_link (filename, &error);

  g_assert (data == NULL && "could read regular file as link");

  g_assert_error (error, G_FILE_ERROR, G_FILE_ERROR_INVAL);

  g_error_free (error);

  remove (filename);

  remove (link1);

  remove (link2);

#endif

}

static void

test_get_contents (void)

{

  const gchar *text = "abcdefghijklmnopqrstuvwxyz";

  const gchar *filename = "file-test-get-contents";

  gchar *contents;

  gsize len;

  FILE *f;

  GError *error = NULL;

  f = g_fopen (filename, "w");

  fwrite (text, 1, strlen (text), f);

  fclose (f);

  g_assert (g_file_test (filename, G_FILE_TEST_IS_REGULAR));

  if (! g_file_get_contents (filename, &contents, &len, &error))

    g_error ("g_file_get_contents() failed: %s", error->message);

  g_assert (strcmp (text, contents) == 0 && "content mismatch");

  g_free (contents);

}

int 

main (int argc, char *argv[])

{

  test_mkstemp ();

  test_mkdtemp ();

  test_readlink ();

  test_get_contents ();

  return 0;

}