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/* Copyright (c) 2015-2018, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <odp_api.h>
#include <odp_cunit_common.h>
static void random_test_get_size(void)
{
/* odp_random_data may fail to return data on every call (i.e. lack of
* entropy). Therefore loop with some sane loop timeout value. Note that
* it is not required for implementation to return data in the "timeout"
* amount of steps. Rather it is a way for preventing the test to loop
* forever.
* Also note that the timeout value here is chosen completely
* arbitrarily (although considered sane) and neither platforms or
* applications are not required to use it.
*/
int32_t ret, timeout_ns = 1 * ODP_TIME_MSEC_IN_NS, sleep_ns = 100;
uint32_t bytes = 0;
uint8_t buf[32];
do {
ret = odp_random_data(buf + bytes, sizeof(buf) - bytes,
ODP_RANDOM_BASIC);
bytes += ret;
if (ret < 0 || bytes >= sizeof(buf))
break;
odp_time_wait_ns(sleep_ns);
timeout_ns -= sleep_ns;
} while (timeout_ns > 0);
CU_ASSERT(ret > 0);
CU_ASSERT(bytes == (int32_t)sizeof(buf));
}
static void random_test_kind(void)
{
int32_t rc;
uint8_t buf[4096];
uint32_t buf_size = sizeof(buf);
odp_random_kind_t max_kind = odp_random_max_kind();
rc = odp_random_data(buf, buf_size, max_kind);
CU_ASSERT(rc > 0);
switch (max_kind) {
case ODP_RANDOM_BASIC:
rc = odp_random_data(buf, 4, ODP_RANDOM_CRYPTO);
CU_ASSERT(rc < 0);
/* Fall through */
case ODP_RANDOM_CRYPTO:
rc = odp_random_data(buf, 4, ODP_RANDOM_TRUE);
CU_ASSERT(rc < 0);
break;
default:
break;
}
}
static void random_test_repeat(void)
{
uint8_t buf1[1024];
uint8_t buf2[1024];
int32_t rc;
uint64_t seed1 = 12345897;
uint64_t seed2 = seed1;
rc = odp_random_test_data(buf1, sizeof(buf1), &seed1);
CU_ASSERT(rc == sizeof(buf1));
rc = odp_random_test_data(buf2, sizeof(buf2), &seed2);
CU_ASSERT(rc == sizeof(buf2));
CU_ASSERT(seed1 == seed2);
CU_ASSERT(memcmp(buf1, buf2, sizeof(buf1)) == 0);
}
odp_testinfo_t random_suite[] = {
ODP_TEST_INFO(random_test_get_size),
ODP_TEST_INFO(random_test_kind),
ODP_TEST_INFO(random_test_repeat),
ODP_TEST_INFO_NULL,
};
odp_suiteinfo_t random_suites[] = {
{"Random", NULL, NULL, random_suite},
ODP_SUITE_INFO_NULL,
};
int main(int argc, char *argv[])
{
int ret;
/* parse common options: */
if (odp_cunit_parse_options(argc, argv))
return -1;
ret = odp_cunit_register(random_suites);
if (ret == 0)
ret = odp_cunit_run();
return ret;
}
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