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/*
SSSD
Reference counting tests.
Authors:
Martin Nagy <mnagy@redhat.com>
Copyright (C) Red Hat, Inc 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <check.h>
#include <talloc.h>
#include <tevent.h>
#include <popt.h>
#include "tests/common.h"
#include "util/util.h"
/* Interface under test */
#include "util/refcount.h"
/* Fail the test if object 'obj' does not have 'num' references. */
#define REF_ASSERT(obj, num) \
fail_unless(((obj)->DO_NOT_TOUCH_THIS_MEMBER_refcount == (num)), \
"Reference count of " #obj " should be %d but is %d", \
(num), (obj)->DO_NOT_TOUCH_THIS_MEMBER_refcount)
#define FILLER_SIZE 32
struct foo {
REFCOUNT_COMMON;
char a[FILLER_SIZE];
char b[FILLER_SIZE];
};
struct bar {
char a[FILLER_SIZE];
REFCOUNT_COMMON;
char b[FILLER_SIZE];
};
struct baz {
char a[FILLER_SIZE];
char b[FILLER_SIZE];
REFCOUNT_COMMON;
};
#define SET_FILLER(target) do { \
memset((target)->a, 'a', FILLER_SIZE); \
memset((target)->b, 'b', FILLER_SIZE); \
} while (0)
#define CHECK_FILLER(target) do { \
int _counter; \
for (_counter = 0; _counter < FILLER_SIZE; _counter++) { \
fail_unless((target)->a[_counter] == 'a', "Corrupted memory in " \
#target "->a[%d] of size %d", _counter, FILLER_SIZE); \
fail_unless((target)->b[_counter] == 'b', "Corrupted memory in " \
#target "->b[%d] of size %d", _counter, FILLER_SIZE); \
} \
} while (0)
struct container {
struct foo *foo;
struct bar *bar;
struct baz *baz;
};
static struct container *global;
START_TEST(test_refcount_basic)
{
struct container *containers;
int i;
/* First allocate our global storage place. */
global = talloc(NULL, struct container);
fail_if(global == NULL);
/* Allocate foo. */
global->foo = rc_alloc(global, struct foo);
fail_if(global->foo == NULL);
SET_FILLER(global->foo);
REF_ASSERT(global->foo, 1);
/* Allocate bar. */
global->bar = rc_alloc(global, struct bar);
fail_if(global->bar == NULL);
SET_FILLER(global->bar);
REF_ASSERT(global->bar, 1);
/* Allocate baz. */
global->baz = rc_alloc(global, struct baz);
fail_if(global->baz == NULL);
SET_FILLER(global->baz);
REF_ASSERT(global->baz, 1);
/* Try multiple attaches. */
containers = talloc_array(NULL, struct container, 100);
fail_if(containers == NULL);
for (i = 0; i < 100; i++) {
containers[i].foo = rc_reference(containers, struct foo, global->foo);
containers[i].bar = rc_reference(containers, struct bar, global->bar);
containers[i].baz = rc_reference(containers, struct baz, global->baz);
REF_ASSERT(containers[i].foo, i + 2);
REF_ASSERT(global->foo, i + 2);
REF_ASSERT(containers[i].bar, i + 2);
REF_ASSERT(global->bar, i + 2);
REF_ASSERT(containers[i].baz, i + 2);
REF_ASSERT(global->baz, i + 2);
}
talloc_free(containers);
CHECK_FILLER(global->foo);
CHECK_FILLER(global->bar);
CHECK_FILLER(global->baz);
REF_ASSERT(global->foo, 1);
REF_ASSERT(global->bar, 1);
REF_ASSERT(global->baz, 1);
talloc_free(global);
}
END_TEST
START_TEST(test_refcount_swap)
{
void *tmp_ctx;
struct container *container1;
struct container *container2;
tmp_ctx = talloc_new(NULL);
check_leaks_push(tmp_ctx);
container1 = talloc(tmp_ctx, struct container);
container2 = talloc(tmp_ctx, struct container);
/* Allocate. */
container1->foo = rc_alloc(container1, struct foo);
fail_if(container1->foo == NULL);
SET_FILLER(container1->foo);
/* Reference. */
container2->foo = rc_reference(container2, struct foo, container1->foo);
fail_if(container2->foo == NULL);
/* Make sure everything is as it should be. */
fail_unless(container1->foo == container2->foo);
REF_ASSERT(container1->foo, 2);
/* Free in reverse order. */
talloc_free(container1);
REF_ASSERT(container2->foo, 1);
CHECK_FILLER(container2->foo);
talloc_free(container2);
check_leaks_pop(tmp_ctx);
talloc_free(tmp_ctx);
}
END_TEST
Suite *create_suite(void)
{
Suite *s = suite_create("refcount");
TCase *tc = tcase_create("REFCOUNT Tests");
/* Do some testing */
tcase_add_checked_fixture(tc, leak_check_setup, leak_check_teardown);
tcase_add_test(tc, test_refcount_basic);
tcase_add_test(tc, test_refcount_swap);
/* Add all test cases to the test suite */
suite_add_tcase(s, tc);
return s;
}
int main(int argc, const char *argv[])
{
int opt;
poptContext pc;
int failure_count;
Suite *suite;
SRunner *sr;
int debug = 0;
struct poptOption long_options[] = {
POPT_AUTOHELP
{ "debug-level", 'd', POPT_ARG_INT, &debug, 0, "Set debug level", NULL },
POPT_TABLEEND
};
/* Set debug level to invalid value so we can deside if -d 0 was used. */
debug_level = SSSDBG_INVALID;
pc = poptGetContext(argv[0], argc, argv, long_options, 0);
while((opt = poptGetNextOpt(pc)) != -1) {
switch(opt) {
default:
fprintf(stderr, "\nInvalid option %s: %s\n\n",
poptBadOption(pc, 0), poptStrerror(opt));
poptPrintUsage(pc, stderr, 0);
return 1;
}
}
poptFreeContext(pc);
CONVERT_AND_SET_DEBUG_LEVEL(debug_level);
tests_set_cwd();
suite = create_suite();
sr = srunner_create(suite);
srunner_set_fork_status(sr, CK_FORK);
/* If CK_VERBOSITY is set, use that, otherwise it defaults to CK_NORMAL */
srunner_run_all(sr, CK_ENV);
failure_count = srunner_ntests_failed(sr);
srunner_free(sr);
return (failure_count == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
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