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#define _GNU_SOURCE
#include "../common/dconf-paths.h"
#include <glib/gstdio.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <dlfcn.h>
#include "../shm/dconf-shm.h"
#include "../shm/dconf-shm-mockable.h"
#include "tmpdir.h"
static void
test_mkdir_fail (void)
{
guint8 *shm;
if (g_test_subprocess ())
{
gchar *evil;
gint fd;
g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
evil = g_build_filename (g_get_user_runtime_dir (), "dconf", NULL);
fd = open (evil, O_WRONLY | O_CREAT, 0600);
close (fd);
shm = dconf_shm_open ("foo");
g_assert (shm == NULL);
g_unlink (evil);
g_free (evil);
return;
}
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_passed ();
g_test_trap_assert_stderr ("*unable to create directory*");
}
static void
test_close_null (void)
{
dconf_shm_close (NULL);
}
static void
test_open_and_flag (void)
{
guint8 *shm;
shm = dconf_shm_open ("foo");
g_assert (shm != NULL);
g_assert (!dconf_shm_is_flagged (shm));
dconf_shm_flag ("foo");
g_assert (dconf_shm_is_flagged (shm));
dconf_shm_close (shm);
}
static void
test_invalid_name (void)
{
if (g_test_subprocess ())
{
guint8 *shm;
g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
shm = dconf_shm_open ("foo/bar");
g_assert (shm == NULL);
g_assert (dconf_shm_is_flagged (shm));
return;
}
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_passed ();
g_test_trap_assert_stderr ("*unable to create*foo/bar*");
}
static void
test_flag_nonexistent (void)
{
dconf_shm_flag ("does-not-exist");
}
static gboolean should_fail_pwrite;
/* interpose */
ssize_t
dconf_shm_pwrite (int fd, const void *buf, size_t count, off_t offset)
{
if (should_fail_pwrite)
{
errno = ENOSPC;
return -1;
}
return pwrite (fd, buf, count, offset);
}
static void
test_out_of_space_open (void)
{
if (g_test_subprocess ())
{
guint8 *shm;
g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
should_fail_pwrite = TRUE;
shm = dconf_shm_open ("foo");
g_assert (shm == NULL);
g_assert (dconf_shm_is_flagged (shm));
return;
}
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_passed ();
g_test_trap_assert_stderr ("*failed to allocate*foo*");
}
static void
test_out_of_space_flag (void)
{
if (g_test_subprocess ())
{
g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
should_fail_pwrite = TRUE;
dconf_shm_flag ("foo");
return;
}
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_passed ();
}
int
main (int argc, char **argv)
{
gchar *temp;
gint status;
temp = dconf_test_create_tmpdir ();
g_setenv ("XDG_RUNTIME_DIR", temp, TRUE);
/* This currently works, but it is possible that one day GLib will
* read the XDG_RUNTIME_DIR variable (and cache its value) as a
* side-effect of the dconf_test_create_tmpdir() call above.
*
* This assert will quickly uncover the problem in that case...
*/
g_assert_cmpstr (g_get_user_runtime_dir (), ==, temp);
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/shm/mkdir-fail", test_mkdir_fail);
g_test_add_func ("/shm/close-null", test_close_null);
g_test_add_func ("/shm/open-and-flag", test_open_and_flag);
g_test_add_func ("/shm/invalid-name", test_invalid_name);
g_test_add_func ("/shm/flag-nonexistent", test_flag_nonexistent);
g_test_add_func ("/shm/out-of-space-open", test_out_of_space_open);
g_test_add_func ("/shm/out-of-space-flag", test_out_of_space_flag);
status = g_test_run ();
dconf_test_remove_tmpdir (temp);
g_free (temp);
return status;
}
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