1/* BEGIN_HEADER */ 2 3/* This test module exercises the timing module. Since, depending on the 4 * underlying operating system, the timing routines are not always reliable, 5 * this suite only performs very basic sanity checks of the timing API. 6 */ 7 8#include <limits.h> 9 10#include "mbedtls/timing.h" 11 12/* END_HEADER */ 13 14/* BEGIN_DEPENDENCIES 15 * depends_on:MBEDTLS_TIMING_C 16 * END_DEPENDENCIES 17 */ 18 19/* BEGIN_CASE */ 20void timing_hardclock( ) 21{ 22 (void) mbedtls_timing_hardclock(); 23 /* This goto is added to avoid warnings from the generated code. */ 24 goto exit; 25} 26/* END_CASE */ 27 28/* BEGIN_CASE */ 29void timing_get_timer( ) 30{ 31 struct mbedtls_timing_hr_time time; 32 (void) mbedtls_timing_get_timer( &time, 1 ); 33 (void) mbedtls_timing_get_timer( &time, 0 ); 34 /* This goto is added to avoid warnings from the generated code. */ 35 goto exit; 36} 37/* END_CASE */ 38 39/* BEGIN_CASE */ 40void timing_set_alarm( int seconds ) 41{ 42 if( seconds == 0 ) 43 { 44 mbedtls_set_alarm( seconds ); 45 TEST_ASSERT( mbedtls_timing_alarmed == 1 ); 46 } 47 else 48 { 49 mbedtls_set_alarm( seconds ); 50 TEST_ASSERT( mbedtls_timing_alarmed == 0 || 51 mbedtls_timing_alarmed == 1 ); 52 } 53} 54/* END_CASE */ 55 56/* BEGIN_CASE */ 57void timing_delay( int fin_ms ) 58{ 59 mbedtls_timing_delay_context ctx; 60 int result; 61 if( fin_ms == 0 ) 62 { 63 mbedtls_timing_set_delay( &ctx, 0, 0 ); 64 result = mbedtls_timing_get_delay( &ctx ); 65 TEST_ASSERT( result == -1 ); 66 } 67 else 68 { 69 mbedtls_timing_set_delay( &ctx, fin_ms / 2, fin_ms ); 70 result = mbedtls_timing_get_delay( &ctx ); 71 TEST_ASSERT( result >= 0 && result <= 2 ); 72 } 73} 74/* END_CASE */ 75