Common C++ classes and routines used by my applications such as argument parser, IO and conversion utilities
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#include "../chrono/datetime.h"
#include "../chrono/format.h"
#include "../chrono/period.h"
#include "../chrono/timespan.h"
#include "../conversion/conversionexception.h"
#include "../tests/testutils.h"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cmath>
#include <iostream>
using namespace std;
using namespace ConversionUtilities;
using namespace ChronoUtilities;
using namespace TestUtilities::Literals;
using namespace CPPUNIT_NS;
/*!
* \brief The ChronoTests class tests classes and methods of the ChronoUtilities namespace.
* \remarks Before comitting any changes to this test, run with different timezones to prevent
* mistakes like timezone-dependent checks. (Eg. set environment variable TZ to different
* values like 'UTC' or 'America/Los_Angeles'.)
*/
class ChronoTests : public TestFixture {
CPPUNIT_TEST_SUITE(ChronoTests);
CPPUNIT_TEST(testDateTime);
CPPUNIT_TEST(testTimeSpan);
CPPUNIT_TEST(testOperators);
CPPUNIT_TEST(testPeriod);
CPPUNIT_TEST(testHashing);
CPPUNIT_TEST_SUITE_END();
public:
void setUp()
{
}
void tearDown()
{
}
void testDateTime();
void testTimeSpan();
void testOperators();
void testPeriod();
void testHashing();
};
CPPUNIT_TEST_SUITE_REGISTRATION(ChronoTests);
/*!
* \brief Tests most important DateTime features.
*/
void ChronoTests::testDateTime()
{
// test year(), month(), ...
const auto test1 = DateTime::fromDateAndTime(2012, 2, 29, 15, 34, 20, 33.0);
CPPUNIT_ASSERT_EQUAL(2012, test1.year());
CPPUNIT_ASSERT_EQUAL(2, test1.month());
CPPUNIT_ASSERT_EQUAL(29, test1.day());
CPPUNIT_ASSERT_EQUAL(34, test1.minute());
CPPUNIT_ASSERT_EQUAL(20, test1.second());
CPPUNIT_ASSERT_EQUAL(33, test1.millisecond());
CPPUNIT_ASSERT(test1.dayOfWeek() == DayOfWeek::Wednesday);
CPPUNIT_ASSERT_EQUAL((31 + 29), test1.dayOfYear());
CPPUNIT_ASSERT(test1.isLeapYear());
CPPUNIT_ASSERT_EQUAL("Wed 2012-02-29 15:34:20.033"s, test1.toString(DateTimeOutputFormat::DateTimeAndShortWeekday));
// test fromTimeStamp()
const auto fromTimeStampGmt = DateTime::fromTimeStampGmt(1453840331), fromTimeStamp = DateTime::fromTimeStamp(1453840331);
CPPUNIT_ASSERT_EQUAL("Tue 2016-01-26 20:32:11"s, fromTimeStampGmt.toString(DateTimeOutputFormat::DateTimeAndShortWeekday));
CPPUNIT_ASSERT(fabs((fromTimeStamp - fromTimeStampGmt).totalDays()) <= 1.0);
CPPUNIT_ASSERT_EQUAL(DateTime(), DateTime::fromTimeStamp(0));
// test whether ConversionException() is thrown when invalid values are specified
CPPUNIT_ASSERT_THROW(DateTime::fromDate(0, 1, 1), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDate(2012, 15, 1), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(0, 2, 29, 15, 34, 20, 33), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2013, 2, 29, 15, 34, 20, 33), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 2, 29, 15, 61, 20, 33), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 4, 31, 15, 0, 20, 33), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 3, 31, 15, 0, 61, 33), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 1, 1, 61, 2, 1), ConversionException);
CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 1, 1, 15, 2, 1, 2000.0), ConversionException);
// test fromString()/toString()
CPPUNIT_ASSERT_EQUAL(test1, DateTime::fromString("2012-02-29 15:34:20.033"));
CPPUNIT_ASSERT_EQUAL("2012-02-29 15:34:20.033"s, test1.toString(DateTimeOutputFormat::DateAndTime, false));
CPPUNIT_ASSERT_THROW(TimeSpan::fromString("2012-02-29 15:34:34:20.033"), ConversionException);
const auto test3 = DateTime::fromIsoString("2016-08-29T21:32:31.125+02:00");
CPPUNIT_ASSERT_EQUAL("2016-08-29T21:32:31.125+02:00"s, test3.first.toIsoString(test3.second));
CPPUNIT_ASSERT_THROW(DateTime::fromString("#"), ConversionException);
// test accuracy (of 100 nanoseconds)
const auto test4 = DateTime::fromIsoString("2017-08-23T19:40:15.985077682+02:00");
CPPUNIT_ASSERT_EQUAL(15, test4.first.second());
CPPUNIT_ASSERT_EQUAL(985, test4.first.millisecond());
CPPUNIT_ASSERT_EQUAL(77, test4.first.microsecond());
CPPUNIT_ASSERT_EQUAL(600, test4.first.nanosecond());
CPPUNIT_ASSERT_EQUAL("2017-08-23T19:40:15.9850776+02:00"s, test4.first.toIsoString(test4.second));
// test now() and exactNow() (or at least whether both behave the same)
#if defined(PLATFORM_UNIX)
const auto delta = DateTime::gmtNow() - DateTime::exactGmtNow();
CPPUNIT_ASSERT(delta < TimeSpan::fromSeconds(2) && delta > TimeSpan::fromSeconds(-2));
#endif
// test boundaries
CPPUNIT_ASSERT_EQUAL("0001-01-01 00:00:00"s, DateTime().toString());
CPPUNIT_ASSERT_EQUAL("58456-05-28 05:36:10.955"s, DateTime::eternity().toString());
}
/*!
* \brief Tests most important TimeSpan features.
*/
void ChronoTests::testTimeSpan()
{
// test fromString(...), this should also test all other from...() methods and + operator
CPPUNIT_ASSERT_EQUAL(TimeSpan(), TimeSpan::fromString(string()));
CPPUNIT_ASSERT_EQUAL(TimeSpan::fromSeconds(5.0), TimeSpan::fromString("5.0"));
CPPUNIT_ASSERT_EQUAL(TimeSpan::fromMinutes(5.5), TimeSpan::fromString("5:30"));
CPPUNIT_ASSERT_EQUAL(TimeSpan::fromHours(7) + TimeSpan::fromMinutes(5.5), TimeSpan::fromString("7:5:30"));
const auto test1 = TimeSpan::fromString("2:34:53:2.5");
// test days(), hours(), ...
CPPUNIT_ASSERT_EQUAL(3, test1.days());
CPPUNIT_ASSERT_EQUAL(10, test1.hours());
CPPUNIT_ASSERT_EQUAL(53, test1.minutes());
CPPUNIT_ASSERT_EQUAL(2, test1.seconds());
CPPUNIT_ASSERT_EQUAL(500, test1.milliseconds());
CPPUNIT_ASSERT(test1.totalDays() > 3.0 && test1.totalDays() < 4.0);
CPPUNIT_ASSERT(test1.totalHours() > (2 * 24 + 34) && test1.totalHours() < (2 * 24 + 35));
CPPUNIT_ASSERT(test1.totalMinutes() > (2 * 24 * 60 + 34 * 60 + 53) && test1.totalHours() < (2 * 24 * 60 + 34 * 60 + 54));
// test toString(...)
CPPUNIT_ASSERT_EQUAL("3 d 10 h 53 min 2 s 500 ms"s, test1.toString(TimeSpanOutputFormat::WithMeasures, false));
CPPUNIT_ASSERT_EQUAL("07:05:30"s, (TimeSpan::fromHours(7) + TimeSpan::fromMinutes(5.5)).toString());
CPPUNIT_ASSERT_EQUAL("-5 s"s, TimeSpan::fromSeconds(-5.0).toString(TimeSpanOutputFormat::WithMeasures, false));
CPPUNIT_ASSERT_EQUAL("0 s"s, TimeSpan().toString(TimeSpanOutputFormat::WithMeasures, false));
CPPUNIT_ASSERT_EQUAL("5e+02 µs"s, TimeSpan::fromMilliseconds(0.5).toString(TimeSpanOutputFormat::WithMeasures, false));
// test accuracy (of 100 nanoseconds)
const auto test2 = TimeSpan::fromString("15.985077682");
CPPUNIT_ASSERT_EQUAL(15.9850776, test2.totalSeconds());
CPPUNIT_ASSERT_EQUAL(15, test2.seconds());
CPPUNIT_ASSERT_EQUAL(985, test2.milliseconds());
CPPUNIT_ASSERT_EQUAL(77, test2.microseconds());
CPPUNIT_ASSERT_EQUAL(600, test2.nanoseconds());
CPPUNIT_ASSERT_EQUAL("00:00:15.9850776"s, test2.toString());
CPPUNIT_ASSERT_EQUAL("15 s 985 ms 77 µs 600 ns"s, test2.toString(TimeSpanOutputFormat::WithMeasures));
CPPUNIT_ASSERT_EQUAL("15.9850776"s, test2.toString(TimeSpanOutputFormat::TotalSeconds));
// test whether ConversionException() is thrown when invalid values are specified
CPPUNIT_ASSERT_THROW(TimeSpan::fromString("2:34a:53:32.5"), ConversionException);
}
/*!
* \brief Tests operators of DateTime / TimeSpan.
*/
void ChronoTests::testOperators()
{
auto dateTime = DateTime::fromDateAndTime(1999, 1, 5, 4, 16);
CPPUNIT_ASSERT_EQUAL(7, (dateTime + TimeSpan::fromDays(2)).day());
CPPUNIT_ASSERT_EQUAL(6, (dateTime + TimeSpan::fromHours(24)).day());
CPPUNIT_ASSERT_EQUAL(3, (dateTime + TimeSpan::fromHours(24) + TimeSpan::fromHours(-1)).hour());
CPPUNIT_ASSERT_EQUAL(17, (dateTime + TimeSpan::fromHours(24) - TimeSpan::fromMinutes(-1)).minute());
dateTime += TimeSpan::fromDays(365);
CPPUNIT_ASSERT_EQUAL(2000, dateTime.year());
CPPUNIT_ASSERT_EQUAL(5, dateTime.day());
}
/*!
* \brief Tests Period.
*/
void ChronoTests::testPeriod()
{
const auto begin(DateTime::fromDateAndTime(1994, 7, 18, 15, 30, 21)), end(DateTime::fromDateAndTime(2017, 12, 2, 15, 30, 21));
const Period period(begin, end);
CPPUNIT_ASSERT_EQUAL(23, period.years());
CPPUNIT_ASSERT_EQUAL(4, period.months());
CPPUNIT_ASSERT_EQUAL(14, period.days());
CPPUNIT_ASSERT_EQUAL(end.toString(), (begin + period).toString());
const auto end2(DateTime::fromDateAndTime(2018, 1, 2, 15, 30, 21));
const Period period2(begin, end2);
CPPUNIT_ASSERT_EQUAL(23, period2.years());
CPPUNIT_ASSERT_EQUAL(5, period2.months());
CPPUNIT_ASSERT_EQUAL_MESSAGE("one more day, because December has 31 days", 15, period2.days());
CPPUNIT_ASSERT_EQUAL(end2.toString(), (begin + period2).toString());
}
/*!
* \brief Tests hashing DateTime / TimeSpan by using in a set.
*/
void ChronoTests::testHashing()
{
set<DateTime> dateTimes;
dateTimes.emplace(DateTime::fromDate(2500, 2, 1));
dateTimes.emplace(DateTime::fromDate(2500, 2, 2));
dateTimes.emplace(DateTime::fromDate(2500, 2, 1));
CPPUNIT_ASSERT_EQUAL(2_st, dateTimes.size());
set<TimeSpan> timeSpans;
timeSpans.emplace(TimeSpan::fromDays(5));
timeSpans.emplace(TimeSpan::fromDays(10));
timeSpans.emplace(TimeSpan::fromDays(5));
CPPUNIT_ASSERT_EQUAL(2_st, timeSpans.size());
}