mbedtls/tests/suites/test_suite_timing.function
2019-01-29 13:02:19 +01:00

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/* BEGIN_HEADER */
/* This test module exercises the timing module. Since, depending on the
* underlying operating system, the timing routines are not always reliable,
* this suite only performs very basic sanity checks of the timing API.
*/
#include <limits.h>
#include "mbedtls/timing.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_TIMING_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void timing_hardclock( )
{
(void) mbedtls_timing_hardclock();
/* This goto is added to avoid warnings from the generated code. */
goto exit;
}
/* END_CASE */
/* BEGIN_CASE */
void timing_get_timer( )
{
struct mbedtls_timing_hr_time time;
(void) mbedtls_timing_get_timer( &time, 1 );
(void) mbedtls_timing_get_timer( &time, 0 );
/* This goto is added to avoid warnings from the generated code. */
goto exit;
}
/* END_CASE */
/* BEGIN_CASE */
void timing_set_alarm( int seconds )
{
if( seconds == 0 ) {
mbedtls_set_alarm( seconds );
TEST_ASSERT( mbedtls_timing_alarmed == 1 );
} else {
mbedtls_set_alarm( seconds );
TEST_ASSERT( mbedtls_timing_alarmed == 0 ||
mbedtls_timing_alarmed == 1 );
}
}
/* END_CASE */
/* BEGIN_CASE */
void timing_delay( int fin_ms )
{
mbedtls_timing_delay_context ctx;
int result;
if( fin_ms == 0 ) {
mbedtls_timing_set_delay( &ctx, 0, 0 );
result = mbedtls_timing_get_delay( &ctx );
TEST_ASSERT( result == -1 );
} else {
mbedtls_timing_set_delay( &ctx, fin_ms / 2, fin_ms );
result = mbedtls_timing_get_delay( &ctx );
TEST_ASSERT( result >= 0 && result <= 2 );
}
}
/* END_CASE */