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ssfdtime_ut.c
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/* --------------------------------------------------------------------------------------------- */
/* Small System Framework */
/* */
/* ssfdtime_ut.c */
/* Unit tests Unix system tick time to date time struct conversion interface. */
/* */
/* BSD-3-Clause License */
/* Copyright 2022 Supurloop Software LLC */
/* */
/* Redistribution and use in source and binary forms, with or without modification, are */
/* permitted provided that the following conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Redistributions in binary form must reproduce the above copyright notice, this list of */
/* conditions and the following disclaimer in the documentation and/or other materials provided */
/* with the distribution. */
/* 3. Neither the name of the copyright holder nor the names of its contributors may be used to */
/* endorse or promote products derived from this software without specific prior written */
/* permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS */
/* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE */
/* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL */
/* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED */
/* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED */
/* OF THE POSSIBILITY OF SUCH DAMAGE. */
/* --------------------------------------------------------------------------------------------- */
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <time.h>
#include "ssfport.h"
#include "ssfdtime.h"
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
#include "ssffcsum.h"
#endif
static const uint8_t _utDaysInMonth[SSFDTIME_MONTHS_IN_YEAR] =
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
/* --------------------------------------------------------------------------------------------- */
/* Unit tests the ssfdtime interface. */
/* --------------------------------------------------------------------------------------------- */
void SSFDTimeUnitTest(void)
{
uint16_t lc;
uint32_t i;
uint8_t j;
uint32_t fsec;
time_t dtimer;
#ifdef _WIN32
struct tm tm;
#endif /* _WIN32 */
struct tm *dtm;
SSFDTimeStruct_t ts;
SSFDTimeStruct_t tsi;
SSFDTimeStruct_t tsc;
SSFPortTick_t unixSys;
SSFPortTick_t unixSysOut;
#if SSF_DTIME_EXHAUSTIVE_UNIT_TEST == 1
SSFPortTick_t unixSysMin = SSFDTIME_UNIX_EPOCH_SYS_MIN;
SSFPortTick_t unixSysMax = SSFDTIME_UNIX_EPOCH_SYS_MAX;
#endif
srand((unsigned int)SSFPortGetTick64());
/* Verify interface assertions */
SSF_ASSERT_TEST(SSFDTimeStructInit(NULL, 1970 - SSFDTIME_EPOCH_YEAR, 0, 0, 0, 0, 0, 0));
SSF_ASSERT_TEST(SSFDTimeUnixToStruct(0, NULL, sizeof(ts)));
SSF_ASSERT_TEST(SSFDTimeUnixToStruct(0, &ts, sizeof(ts) - 1));
SSF_ASSERT_TEST(SSFDTimeUnixToStruct(0, &ts, sizeof(ts) + 1));
SSF_ASSERT_TEST(SSFDTimeUnixToStruct(0, &ts, 0));
memset(&ts, 0, sizeof(ts));
SSF_ASSERT_TEST(SSFDTimeStructToUnix(NULL, &unixSys));
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 1;
SSF_ASSERT_TEST(SSFDTimeStructToUnix(&ts, &unixSys));
ts.magic = 0;
#endif
SSF_ASSERT_TEST(SSFDTimeStructToUnix(&ts, NULL));
SSF_ASSERT_TEST(SSFDTimeIsLeapYear(SSF_TS_YEAR_MAX + 1));
SSF_ASSERT_TEST(SSFDTimeDaysInMonth(SSF_TS_YEAR_MAX + 1, 0));
SSF_ASSERT_TEST(SSFDTimeDaysInMonth(0, SSF_TS_MONTH_MAX + 1));
/* Test SSFDTimeDaysInMonth() */
lc = 2;
for (tsi.year = 0; tsi.year <= SSF_TS_YEAR_MAX; tsi.year++)
{
for (j = 0; j < SSFDTIME_MONTHS_IN_YEAR; j++)
{
if (j == SSF_DTIME_MONTH_FEB)
{
if (((lc & 0x03) == 0) && (lc != 132))
{
/* Leap year */
SSF_ASSERT(SSFDTimeDaysInMonth(tsi.year, j) == _utDaysInMonth[j]);
}
else
{
/* Not leap year */
SSF_ASSERT(SSFDTimeDaysInMonth(tsi.year, j) == (_utDaysInMonth[j] - 1));
}
}
else
{
SSF_ASSERT(SSFDTimeDaysInMonth(tsi.year, j) == (_utDaysInMonth[j] - 1));
}
}
lc++;
}
/* Test SSFDTimeIsLeapYear() */
lc = 2;
for (tsi.year = 0; tsi.year <= SSF_TS_YEAR_MAX; tsi.year++)
{
if (((lc & 0x03) == 0) && (lc != 132))
{
/* Leap year */
SSF_ASSERT(SSFDTimeIsLeapYear(tsi.year));
}
else
{
/* Not leap year */
SSF_ASSERT(SSFDTimeIsLeapYear(tsi.year) == false);
}
lc++;
}
/* Test fsec behavior */
for (fsec = 0; fsec <= SSF_TS_FSEC_MAX; fsec++)
{
ts.fsec = fsec + 1;
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, fsec));
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys));
SSF_ASSERT((unixSys % (SSF_TS_FSEC_MAX + 1)) == fsec);
SSF_ASSERT(SSFDTimeUnixToStruct(unixSys, &tsc, sizeof(tsc)));
SSF_ASSERT(ts.fsec == tsc.fsec);
}
/* Test SSFDTimeStructInit() */
SSF_ASSERT(SSFDTimeStructInit(&ts, SSF_TS_YEAR_MAX + 1, 0, 0, 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_TS_MONTH_MAX + 1, 0, 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_JAN,
_utDaysInMonth[SSF_DTIME_MONTH_JAN], 0, 0, 0, 0) == false);
for (tsi.year = 0; tsi.year <= SSF_TS_YEAR_MAX; tsi.year++)
{
SSF_ASSERT(SSFDTimeStructInit(&ts, tsi.year, SSF_DTIME_MONTH_FEB,
_utDaysInMonth[SSF_DTIME_MONTH_FEB] +
(uint8_t)(SSFDTimeIsLeapYear(tsi.year)), 0, 0, 0, 0) ==
false);
}
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_MAR,
_utDaysInMonth[SSF_DTIME_MONTH_MAR], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_APR,
_utDaysInMonth[SSF_DTIME_MONTH_APR], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_MAY,
_utDaysInMonth[SSF_DTIME_MONTH_MAY], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_JUN,
_utDaysInMonth[SSF_DTIME_MONTH_JUN], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_JUL,
_utDaysInMonth[SSF_DTIME_MONTH_JUL], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_AUG,
_utDaysInMonth[SSF_DTIME_MONTH_AUG], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_SEP,
_utDaysInMonth[SSF_DTIME_MONTH_SEP], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_OCT,
_utDaysInMonth[SSF_DTIME_MONTH_OCT], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_NOV,
_utDaysInMonth[SSF_DTIME_MONTH_NOV], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, SSF_DTIME_MONTH_DEC,
_utDaysInMonth[SSF_DTIME_MONTH_DEC], 0, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, SSF_TS_HOUR_MAX + 1, 0, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, SSF_TS_MIN_MAX + 1, 0, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, SSF_TS_SEC_MAX + 1, 0) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, SSF_TS_FSEC_MAX + 1) == false);
/* Fuzz test for SSFDTimeStructInit() */
for (i = 0; i < 10000000ull; i++)
{
tsi.year = rand() % (SSF_TS_YEAR_MAX + 1);
tsi.month = rand() % (SSF_TS_MONTH_MAX + 1);
if (SSFDTimeIsLeapYear(tsi.year) && (tsi.month == SSF_DTIME_MONTH_FEB))
{
tsi.day = rand() % (_utDaysInMonth[tsi.month]);
}
else
{
tsi.day = rand() % (_utDaysInMonth[tsi.month] - 1);
}
tsi.hour = rand() % (SSF_TS_HOUR_MAX + 1);
tsi.min = rand() % (SSF_TS_MIN_MAX + 1);
tsi.sec = rand() % (SSF_TS_SEC_MAX + 1);
tsi.fsec = rand() % (SSF_TS_FSEC_MAX + 1);
/* Ensure min and max tested */
if (i == 0)
{
tsi.year = 0;
tsi.month = 0;
tsi.day = 0;
tsi.hour = 0;
tsi.min = 0;
tsi.sec = 0;
tsi.fsec = 0;
}
else if (i == 1)
{
tsi.year = SSF_TS_YEAR_MAX;
tsi.month = SSF_TS_MONTH_MAX;
tsi.day = SSF_TS_DAY_MAX;
tsi.hour = SSF_TS_HOUR_MAX;
tsi.min = SSF_TS_MIN_MAX;
tsi.sec = SSF_TS_SEC_MAX;
tsi.fsec = SSF_TS_FSEC_MAX;
}
memset(&ts, 0x55, sizeof(ts));
SSF_ASSERT(SSFDTimeStructInit(&ts, tsi.year, tsi.month, tsi.day,
tsi.hour, tsi.min, tsi.sec,
tsi.fsec));
SSF_ASSERT(tsi.fsec == ts.fsec);
SSF_ASSERT(tsi.sec == ts.sec);
SSF_ASSERT(tsi.min == ts.min);
SSF_ASSERT(tsi.hour == ts.hour);
SSF_ASSERT(tsi.day == ts.day);
SSF_ASSERT(tsi.month == ts.month);
SSF_ASSERT(tsi.year == ts.year);
//SSF_ASSERT(tsi.yday == ts.yday);
//SSF_ASSERT(tsi.wday == ts.wday);
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
memcpy(&tsi, &ts, sizeof(ts));
tsi.magic = 0;
tsi.magic = SSFFCSum16((uint8_t *)&tsi, sizeof(tsi), SSF_FCSUM_INITIAL);
SSF_ASSERT(tsi.magic == ts.magic);
#endif
}
#if SSF_DTIME_EXHAUSTIVE_UNIT_TEST == 1
memset(&tsi, 0x55, sizeof(tsi));
tsi.fsec = 0;
tsi.wday = SSFDTIME_EPOCH_DAY;
for (tsi.year = 0; tsi.year <= SSF_TS_YEAR_MAX; tsi.year++)
{
tsi.yday = 0;
for (tsi.month = 0; tsi.month <= SSF_TS_MONTH_MAX; tsi.month++)
{
for (tsi.day = 0; tsi.day <= (uint8_t)(_utDaysInMonth[tsi.month] +
(uint8_t)(SSFDTimeIsLeapYear(tsi.year) &&
(tsi.month == SSF_DTIME_MONTH_FEB)) - 1);
tsi.day++)
{
for (tsi.hour = 0; tsi.hour <= SSF_TS_HOUR_MAX; tsi.hour++)
{
for (tsi.min = 0; tsi.min <= SSF_TS_MIN_MAX; tsi.min++)
{
for (tsi.sec = 0; tsi.sec <= SSF_TS_SEC_MAX; tsi.sec++)
{
memset(&ts, 0x55, sizeof(ts));
SSF_ASSERT(SSFDTimeStructInit(&ts, tsi.year, tsi.month, tsi.day,
tsi.hour, tsi.min, tsi.sec,
tsi.fsec));
SSF_ASSERT(tsi.fsec == ts.fsec);
SSF_ASSERT(tsi.sec == ts.sec);
SSF_ASSERT(tsi.min == ts.min);
SSF_ASSERT(tsi.hour == ts.hour);
SSF_ASSERT(tsi.day == ts.day);
SSF_ASSERT(tsi.month == ts.month);
SSF_ASSERT(tsi.year == ts.year);
SSF_ASSERT(tsi.yday == ts.yday);
SSF_ASSERT(tsi.wday == ts.wday);
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
tsi.magic = 0;
SSF_ASSERT(SSFFCSum16((uint8_t *)&tsi, sizeof(tsi),
SSF_FCSUM_INITIAL) == ts.magic);
#endif
}
}
}
tsi.wday++;
tsi.wday %= (SSF_DTIME_WDAY_MAX + 1);
tsi.yday++;
}
}
}
#endif
/* Basic tests for SSFDTimeUnixToStruct() */
SSF_ASSERT(SSFDTimeUnixToStruct(SSFDTIME_UNIX_EPOCH_SYS_MAX, &ts, sizeof(ts)) == true);
SSF_ASSERT(SSFDTimeUnixToStruct(SSFDTIME_UNIX_EPOCH_SYS_MAX + 1, &ts, sizeof(ts)) == false);
/* Basic tests for SSFDTimeStructToUnix() */
/* WARNING: DON'T CHANGE STRUCT VALUES IN APP CODE, THIS IS ONLY DONE FOR UNIT TESTING */
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
ts.year = SSF_TS_YEAR_MAX + 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
ts.month = SSF_TS_MONTH_MAX + 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
for (ts.year = 0; ts.year <= SSF_TS_YEAR_MAX; ts.year++)
{
for (ts.month = 0; ts.month <= SSF_TS_MONTH_MAX; ts.month++)
{
ts.day = _utDaysInMonth[ts.month] +
(uint8_t) (SSFDTimeIsLeapYear(ts.year) && (ts.month == SSF_DTIME_MONTH_FEB))
- 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys));
}
}
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
ts.hour = SSF_TS_HOUR_MAX + 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
ts.min = SSF_TS_MIN_MAX + 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
ts.sec = SSF_TS_SEC_MAX + 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys) == false);
SSF_ASSERT(SSFDTimeStructInit(&ts, 0, 0, 0, 0, 0, 0, 0));
ts.fsec = SSF_TS_FSEC_MAX + 1;
#if SSF_DTIME_STRUCT_STRICT_CHECK == 1
ts.magic = 0;
ts.magic = SSFFCSum16((uint8_t *)&ts, sizeof(ts), SSF_FCSUM_INITIAL);
#endif
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSys) == false);
/* Fuzz test for SSFDTimeUnixToStruct() and SSFDTimeStructToUnix() */
for (i = 0; i < 10000000ull; i++)
{
unixSys = i;
for (j = 0; j < sizeof(unixSys); j++)
{
unixSys += rand();
unixSys <<= sizeof(unixSys);
}
unixSys %= (SSFDTIME_UNIX_EPOCH_SYS_MAX + 1);
/* Ensure min and max tested */
if (i == 0) unixSys = SSFDTIME_UNIX_EPOCH_SYS_MIN;
else if (i == 1) unixSys = SSFDTIME_UNIX_EPOCH_SYS_MAX;
/* Convert unixSys to time struct */
SSF_ASSERT(SSFDTimeUnixToStruct(unixSys, &ts, sizeof(ts)));
/* Get gmtime() conversion */
dtimer = (time_t)(unixSys / SSF_TICKS_PER_SEC);
#if UINTPTR_MAX == UINT32_MAX
#ifndef _WIN32
#warning NOTE - Cannot unit test full date range on 32-bit systems.
#endif
if ((unixSys / SSF_TICKS_PER_SEC) > (((uint32_t)-1) >> 1)) { continue; }
#endif
#ifdef _WIN32
gmtime_s(&tm, &dtimer);
dtm = &tm;
#else /* _WIN32 */
dtm = gmtime(&dtimer);
#endif /* _WIN32 */
/* Assert they are the same */
SSF_ASSERT(ts.sec == dtm->tm_sec);
SSF_ASSERT(ts.min == dtm->tm_min);
SSF_ASSERT(ts.hour == dtm->tm_hour);
SSF_ASSERT(ts.day == (dtm->tm_mday - 1));
SSF_ASSERT(ts.month == dtm->tm_mon);
SSF_ASSERT((ts.year + SSFDTIME_EPOCH_YEAR) == (uint16_t)(dtm->tm_year + 1900));
SSF_ASSERT(ts.wday == dtm->tm_wday);
SSF_ASSERT(ts.yday == dtm->tm_yday);
/* Convert struct to unixSys time, must match original unixSys time */
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSysOut));
SSF_ASSERT(unixSys == unixSysOut);
}
#if SSF_DTIME_EXHAUSTIVE_UNIT_TEST == 1
/* Exhaustive test for SSFDTimeUnixToStruct() && SSFDTimeStructToUnix() */
/* Iterate over every possible second in supported date range, verify against gmtime() */
for (unixSys = unixSysMin; unixSys < unixSysMax; unixSys += SSF_TICKS_PER_SEC)
{
/* Convert unixSys to time struct */
SSF_ASSERT(SSFDTimeUnixToStruct(unixSys, &ts, sizeof(ts)));
/* Get gmtime() conversion */
dtimer = (time_t)(unixSys / SSF_TICKS_PER_SEC);
#ifdef _WIN32
gmtime_s(&tm, &dtimer);
dtm = &tm;
#else /* _WIN32 */
dtm = gmtime(&dtimer);
#endif /* _WIN32 */
/* Assert they are the same */
SSF_ASSERT(ts.sec == dtm->tm_sec);
SSF_ASSERT(ts.min == dtm->tm_min);
SSF_ASSERT(ts.hour == dtm->tm_hour);
SSF_ASSERT(ts.day == (dtm->tm_mday - 1));
SSF_ASSERT(ts.month == dtm->tm_mon);
SSF_ASSERT((ts.year + SSFDTIME_EPOCH_YEAR) == (uint16_t)(dtm->tm_year + 1900));
SSF_ASSERT(ts.wday == dtm->tm_wday);
SSF_ASSERT(ts.yday == dtm->tm_yday);
/* Convert struct to unixSys time, must match original unixSys time */
SSF_ASSERT(SSFDTimeStructToUnix(&ts, &unixSysOut));
SSF_ASSERT(unixSys == unixSysOut);
}
#endif /* SSF_DTIME_EXHAUSTIVE_UNIT_TEST */
}