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/* Unit tests for g
* Copyright (C) 2010 Red Hat, Inc.
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work 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.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
/* We test for errors in optimize-only definitions in gmem.h */
#pragma GCC optimize (1)
#include "glib.h"
#include <stdlib.h>
static void
mem_overflow (void)
{
gsize a = G_MAXSIZE / 10 + 10;
gsize b = 10;
gpointer p, q;
typedef char X[10];
/* "FAIL" here apparently means "fail to overflow"... */
#define CHECK_PASS(P) p = (P); g_assert (p == NULL);
#define CHECK_FAIL(P) p = (P); g_assert (p != NULL);
CHECK_PASS (g_try_malloc_n (a, a));
CHECK_PASS (g_try_malloc_n (a, b));
CHECK_PASS (g_try_malloc_n (b, a));
CHECK_FAIL (g_try_malloc_n (b, b));
g_free (p);
CHECK_PASS (g_try_malloc0_n (a, a));
CHECK_PASS (g_try_malloc0_n (a, b));
CHECK_PASS (g_try_malloc0_n (b, a));
CHECK_FAIL (g_try_malloc0_n (b, b));
g_free (p);
q = g_malloc (1);
CHECK_PASS (g_try_realloc_n (q, a, a));
CHECK_PASS (g_try_realloc_n (q, a, b));
CHECK_PASS (g_try_realloc_n (q, b, a));
CHECK_FAIL (g_try_realloc_n (q, b, b));
g_free (p);
CHECK_PASS (g_try_new (X, a));
CHECK_FAIL (g_try_new (X, b));
g_free (p);
CHECK_PASS (g_try_new0 (X, a));
CHECK_FAIL (g_try_new0 (X, b));
g_free (p);
q = g_try_malloc (1);
CHECK_PASS (g_try_renew (X, q, a));
CHECK_FAIL (g_try_renew (X, q, b));
free (p);
#undef CHECK_FAIL
#undef CHECK_PASS
#define CHECK_FAIL(P) do { \
if (g_test_undefined ()) \
{ \
if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR)) \
{ \
p = (P); \
exit (0); \
} \
\
g_test_trap_assert_failed(); \
} \
} while (0)
#define CHECK_PASS(P) do { \
if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR)) \
{ \
p = (P); \
g_free (p); \
exit (0); \
} \
\
g_test_trap_assert_passed(); \
} while (0)
CHECK_FAIL (g_malloc_n (a, a));
CHECK_FAIL (g_malloc_n (a, b));
CHECK_FAIL (g_malloc_n (b, a));
CHECK_PASS (g_malloc_n (b, b));
CHECK_FAIL (g_malloc0_n (a, a));
CHECK_FAIL (g_malloc0_n (a, b));
CHECK_FAIL (g_malloc0_n (b, a));
CHECK_PASS (g_malloc0_n (b, b));
q = g_malloc (1);
CHECK_FAIL (g_realloc_n (q, a, a));
CHECK_FAIL (g_realloc_n (q, a, b));
CHECK_FAIL (g_realloc_n (q, b, a));
CHECK_PASS (g_realloc_n (q, b, b));
g_free (q);
CHECK_FAIL (g_new (X, a));
CHECK_PASS (g_new (X, b));
CHECK_FAIL (g_new0 (X, a));
CHECK_PASS (g_new0 (X, b));
q = g_malloc (1);
CHECK_FAIL (g_renew (X, q, a));
CHECK_PASS (g_renew (X, q, b));
g_free (q);
}
typedef struct
{
} Empty;
static void
empty_alloc (void)
{
g_test_bug ("615379");
g_assert_cmpint (sizeof (Empty), ==, 0);
if (g_test_trap_fork (0, 0))
{
Empty *empty;
empty = g_new0 (Empty, 1);
g_assert (empty == NULL);
exit (0);
}
g_test_trap_assert_passed ();
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("http://bugzilla.gnome.org/");
g_test_add_func ("/mem/overflow", mem_overflow);
g_test_add_func ("/mem/empty-alloc", empty_alloc);
return g_test_run();
}
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