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#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <assert.h>
#include <cmocka.h>
/* cmocka < 1.0 didn't support these features we need */
#ifndef assert_ptr_equal
#define assert_ptr_equal(a, b) \
_assert_int_equal(cast_ptr_to_largest_integral_type(a), \
cast_ptr_to_largest_integral_type(b), \
__FILE__, __LINE__)
#define CMUnitTest UnitTest
#define cmocka_unit_test unit_test
#define cmocka_run_group_tests(t, setup, teardown) run_tests(t)
#endif
extern void mock_assert(const int result, const char* const expression,
const char * const file, const int line);
#undef assert
#define assert(expression) \
mock_assert((int)(expression), #expression, __FILE__, __LINE__);
#include "afl-prealloc.h"
/* remap exit -> assert, then use cmocka's mock_assert
(compile with `--wrap=exit`) */
extern void exit(int status);
extern void __real_exit(int status);
void __wrap_exit(int status);
void __wrap_exit(int status) {
(void)status;
assert(0);
}
/* ignore all printfs */
#undef printf
extern int printf(const char *format, ...);
extern int __real_printf(const char *format, ...);
//int __wrap_printf(const char *format, ...);
int __wrap_printf(const char *format, ...) {
(void)format;
return 1;
}
typedef struct prealloc_me
{
PREALLOCABLE;
u8 *content[128];
} prealloc_me_t;
#define PREALLOCED_BUF_SIZE (64)
prealloc_me_t prealloc_me_buf[PREALLOCED_BUF_SIZE];
s32 prealloc_me_size = 0;
static void test_alloc_free(void **state) {
(void)state;
prealloc_me_t *prealloced = NULL;
PRE_ALLOC(prealloced, prealloc_me_buf, PREALLOCED_BUF_SIZE, prealloc_me_size);
assert_non_null(prealloced);
PRE_FREE(prealloced, prealloc_me_size);
}
static void test_prealloc_overflow(void **state) {
(void)state;
u32 i = 0;
prealloc_me_t *prealloced[PREALLOCED_BUF_SIZE + 10];
for (i = 0; i < PREALLOCED_BUF_SIZE + 10; i++) {
PRE_ALLOC(prealloced[i], prealloc_me_buf, PREALLOCED_BUF_SIZE, prealloc_me_size);
assert_non_null(prealloced[i]);
}
assert_int_equal(prealloced[0]->pre_status, PRE_STATUS_USED);
assert_int_equal(prealloced[PREALLOCED_BUF_SIZE]->pre_status, PRE_STATUS_MALLOC);
PRE_FREE(prealloced[20], prealloc_me_size);
PRE_ALLOC(prealloced[20], prealloc_me_buf, PREALLOCED_BUF_SIZE, prealloc_me_size);
assert_non_null(prealloced[20]);
assert_int_equal(prealloced[20]->pre_status, PRE_STATUS_USED);
PRE_FREE(prealloced[PREALLOCED_BUF_SIZE], prealloc_me_size);
PRE_FREE(prealloced[0], prealloc_me_size);
PRE_ALLOC(prealloced[PREALLOCED_BUF_SIZE], prealloc_me_buf, PREALLOCED_BUF_SIZE, prealloc_me_size);
assert_non_null(prealloced[PREALLOCED_BUF_SIZE]);
/* there should be space now! */
assert_int_equal(prealloced[PREALLOCED_BUF_SIZE]->pre_status, PRE_STATUS_USED);
PRE_ALLOC(prealloced[0], prealloc_me_buf, PREALLOCED_BUF_SIZE, prealloc_me_size);
assert_non_null(prealloced[0]);
/* no more space */
assert_int_equal(prealloced[0]->pre_status, PRE_STATUS_MALLOC);
for (i = 0; i < PREALLOCED_BUF_SIZE + 10; i++) {
PRE_FREE(prealloced[i], prealloc_me_size);
}
}
int main(int argc, char **argv) {
(void)argc;
(void)argv;
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_alloc_free),
cmocka_unit_test(test_prealloc_overflow),
};
//return cmocka_run_group_tests (tests, setup, teardown);
__real_exit( cmocka_run_group_tests (tests, NULL, NULL) );
// fake return for dumb compilers
return 0;
}
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