ssfrtc_ut.c

/* --------------------------------------------------------------------------------------------- */
/* Small System Framework                                                                        */
/*                                                                                               */
/* ssfrtc_ut.c                                                                                   */
/* Provides unit test for ssfrtc interface.                                                      */
/*                                                                                               */
/* BSD-3-Clause License                                                                          */
/* Copyright 2022 Supurloop Software LLC                                                         */
/*                                                                                               */
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/* with the distribution.                                                                        */
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/*                                                                                               */
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/* --------------------------------------------------------------------------------------------- */
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include "ssfport.h"
#include "ssfdtime.h"
#include "ssfrtc.h"

/* --------------------------------------------------------------------------------------------- */
/* Unit tests the ssfrtc interface.                                                              */
/* --------------------------------------------------------------------------------------------- */
void SSFRTCUnitTest(void)
{
    SSFPortTick_t rtcSys;
    SSFPortTick_t rtcExpected;

    /* Assertion tests */

    /* Test SSFRTCInit() SSFRTCDeInit() */
    SSF_ASSERT(SSFRTCInit());
    SSF_ASSERT_TEST(SSFRTCInit());
    SSFRTCDeInit();
    SSF_ASSERT_TEST(SSFRTCDeInit());
    SSF_ASSERT(SSFRTCInit());

    /* Test SSFRTCSet() */
    SSFRTCDeInit();
    SSF_ASSERT(SSFRTCInit());
    _ssfRTCSimUnixSec = SSFDTIME_UNIX_EPOCH_SEC_MAX + 1;
    SSF_ASSERT(SSFRTCSet(SSFDTIME_UNIX_EPOCH_SEC_MIN));
    SSF_ASSERT(_ssfRTCSimUnixSec == SSFDTIME_UNIX_EPOCH_SEC_MIN);
    _ssfRTCSimUnixSec = SSFDTIME_UNIX_EPOCH_SEC_MAX + 1;
    SSF_ASSERT(SSFRTCSet(SSFDTIME_UNIX_EPOCH_SEC_MAX));
    SSF_ASSERT(_ssfRTCSimUnixSec == SSFDTIME_UNIX_EPOCH_SEC_MAX);
    SSF_ASSERT(SSFRTCSet(SSFDTIME_UNIX_EPOCH_SEC_MAX + 1) == false);

    /* Test SSFRTCGetUnixNow() */
    SSFRTCDeInit();
    SSF_ASSERT_TEST(SSFRTCGetUnixNow(&rtcSys));
    _ssfRTCSimUnixSec = SSFDTIME_UNIX_EPOCH_SEC_MIN;
    SSF_ASSERT(SSFRTCInit());
    rtcExpected = SSFDTIME_UNIX_EPOCH_SEC_MIN * SSF_TICKS_PER_SEC;
    SSF_ASSERT(SSFRTCGetUnixNow(&rtcSys));
    SSF_ASSERT((rtcSys - rtcExpected) < SSF_TICKS_PER_SEC);
    SSF_ASSERT(SSFRTCSet(SSFDTIME_UNIX_EPOCH_SEC_MAX));
    rtcExpected = SSFDTIME_UNIX_EPOCH_SEC_MAX * SSF_TICKS_PER_SEC;
    SSF_ASSERT(SSFRTCGetUnixNow(&rtcSys));
    SSF_ASSERT((rtcSys - rtcExpected) < SSF_TICKS_PER_SEC);
}