mbedtls/tests/suites/test_suite_platform.function
Jerry Yu c9c3e62b3e workaround the assert fail with tollerance
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
2023-04-11 14:08:23 +08:00

97 lines
2.4 KiB
C

/* BEGIN_HEADER */
/* This test module exercises the platform_* module. Since, depending on the
* underlying operating system, the time routines are not always reliable,
* this suite only performs very basic sanity checks of the timing API.
*/
#include <limits.h>
#if defined(MBEDTLS_HAVE_TIME)
#include "mbedtls/platform_time.h"
#ifdef WIN32
#include <windows.h>
#elif _POSIX_C_SOURCE >= 199309L
#include <time.h>
#else
#include <unistd.h>
#endif
void sleep_ms(int milliseconds)
{
#ifdef WIN32
Sleep(milliseconds);
#elif _POSIX_C_SOURCE >= 199309L
struct timespec ts;
ts.tv_sec = milliseconds / 1000;
ts.tv_nsec = (milliseconds % 1000) * 1000000;
nanosleep(&ts, NULL);
#else
usleep(milliseconds * 1000);
#endif
}
#endif
/* END_HEADER */
/* BEGIN_DEPENDENCIES */
/* END_DEPENDENCIES */
/* BEGIN_CASE depends_on:MBEDTLS_HAVE_TIME */
void time_get_milliseconds()
{
mbedtls_ms_time_t current = mbedtls_ms_time();
(void) current;
/* This goto is added to avoid warnings from the generated code. */
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_HAVE_TIME */
void time_get_seconds()
{
mbedtls_time_t current = mbedtls_time(NULL);
(void) current;
/* This goto is added to avoid warnings from the generated code. */
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_HAVE_TIME */
void time_delay_milliseconds(int delay_ms)
{
mbedtls_ms_time_t current = mbedtls_ms_time();
mbedtls_ms_time_t elapsed_ms;
sleep_ms(delay_ms);
elapsed_ms = mbedtls_ms_time() - current;
TEST_ASSERT(elapsed_ms >= delay_ms && elapsed_ms < 4000 + delay_ms);
/* This goto is added to avoid warnings from the generated code. */
goto exit;
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_HAVE_TIME */
void time_delay_seconds(int delay_secs)
{
mbedtls_time_t current = mbedtls_time(NULL);
mbedtls_time_t elapsed_secs;
sleep_ms(delay_secs * 1000);
elapsed_secs = mbedtls_time(NULL) - current;
/* Built-in mbedtls_time function returns the number of seconds since the
* Epoch. That is affected by discontinuous jumps and cause test fail.
* Workaround it with 1 seconds tollerance.
*/
TEST_ASSERT(elapsed_secs >= delay_secs - 1);
TEST_ASSERT(elapsed_secs < 4 + delay_secs);
/* This goto is added to avoid warnings from the generated code. */
goto exit;
}
/* END_CASE */