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