mbedtls/tests/suites/test_suite_platform_unix.function

/* BEGIN_HEADER */
/* Test access to the Unix primitives used in platform_util.c and elsewhere.
 * We aren't testing that they work, just getting an easy-to-understand
 * diagnostic if they aren't available.
 * (There is a separate test suite for the platform_util.h interfacces.)
 */

#include <mbedtls/platform_util.h>
#include <mbedtls/platform.h>
#include "common.h"

#if defined(MBEDTLS_PLATFORM_IS_UNIXLIKE)

#include <time.h>
#include <unistd.h>
#include <sys/time.h>

#else /* defined(MBEDTLS_PLATFORM_IS_UNIXLIKE) */

/* Constants used in the test data need to be defined even if no test
 * functions that use them are enabled.
 * Undefine the macros first in case a system header does define them
 * even though we haven't recognized the platform as Unix-like. */
#undef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#undef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC 0

#endif /* defined(MBEDTLS_PLATFORM_IS_UNIXLIKE) */

/* END_HEADER */

/* Note: we can't make the whole test suite depend on
 * MBEDTLS_PLATFORM_IS_UNIXLIKE, because file-level dependencies can only
 * come from build_info.h, platform.h or some test helper headers, not
 * from internal macros. */
/* BEGIN_DEPENDENCIES
 * END_DEPENDENCIES */

/* BEGIN_CASE depends_on:MBEDTLS_PLATFORM_IS_UNIXLIKE */
void unistd_available()
{
    pid_t pid = getpid();
    TEST_LE_S(1, pid);
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_PLATFORM_IS_UNIXLIKE */
void clock_gettime_available(int clockid)
{
    struct timespec ts = { 0, 0 };
    memset(&ts, 0, sizeof(ts));
    int ret = clock_gettime(clockid, &ts);
    TEST_ASSERT_ERRNO(ret == 0);
    TEST_ASSERT(ts.tv_sec != 0 || ts.tv_nsec != 0);
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_PLATFORM_IS_UNIXLIKE */
void gettimeofday_available()
{
    struct timeval tv = { 0, 0 };
    memset(&tv, 0, sizeof(tv));
    int ret = gettimeofday(&tv, NULL);
    TEST_ASSERT_ERRNO(ret == 0);
    TEST_LE_S(1, tv.tv_sec);
}
/* END_CASE */