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0344c602ea
git-subtree-dir: lib/mbedtls/external/mbedtls git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* BEGIN_HEADER */
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/* This test module exercises the timing module. Since, depending on the
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* underlying operating system, the timing 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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#include "mbedtls/timing.h"
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_TIMING_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void timing_get_timer()
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{
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struct mbedtls_timing_hr_time time;
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memset(&time, 0, sizeof(time));
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(void) mbedtls_timing_get_timer(&time, 1);
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/* Check that a non-zero time was written back */
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int all_zero = 1;
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for (size_t i = 0; i < sizeof(time); i++) {
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all_zero &= ((unsigned char *) &time)[i] == 0;
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}
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TEST_ASSERT(!all_zero);
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(void) mbedtls_timing_get_timer(&time, 0);
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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 */
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void timing_delay(int fin_ms)
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{
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mbedtls_timing_delay_context ctx;
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int result;
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if (fin_ms == 0) {
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mbedtls_timing_set_delay(&ctx, 0, 0);
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result = mbedtls_timing_get_delay(&ctx);
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TEST_ASSERT(result == -1);
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} else {
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mbedtls_timing_set_delay(&ctx, fin_ms / 2, fin_ms);
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result = mbedtls_timing_get_delay(&ctx);
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TEST_ASSERT(result >= 0 && result <= 2);
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}
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}
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/* END_CASE */
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