glib/tests/file-test.c

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/* 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* 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/.
*/
#include "config.h"
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#ifdef GLIB_COMPILATION
#undef GLIB_COMPILATION
#endif
#include <string.h>
#include <glib.h>
#include <gstdio.h>
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#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h> /* For open() */
#ifdef G_OS_WIN32
#include <io.h> /* For read(), write() etc */
#endif
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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");
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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);
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}
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);
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);
remove (filename);
remove (link1);
remove (link2);
#endif
}
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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);
}
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int
main (int argc, char *argv[])
{
test_mkstemp ();
test_mkdtemp ();
test_readlink ();
test_get_contents ();
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return 0;
}