C++ Utilities  4.17.0
Useful C++ classes and routines such as argument parser, IO and conversion utilities
chronotests.cpp
Go to the documentation of this file.
1 #include "../chrono/datetime.h"
2 #include "../chrono/format.h"
3 #include "../chrono/period.h"
4 #include "../chrono/timespan.h"
5 #include "../conversion/conversionexception.h"
6 #include "../tests/testutils.h"
7 
8 #include <cppunit/TestFixture.h>
9 #include <cppunit/extensions/HelperMacros.h>
10 
11 #include <cmath>
12 #include <iostream>
13 
14 using namespace std;
15 using namespace ConversionUtilities;
16 using namespace ChronoUtilities;
17 using namespace TestUtilities::Literals;
18 
19 using namespace CPPUNIT_NS;
20 
21 // compile-time checks for DateTime class
22 static_assert(DateTime().isNull(), "isNull()");
23 static_assert(DateTime(1).totalTicks() == 1, "construction with ticks");
24 static_assert(DateTime(2) == DateTime(2), "operator ==");
25 static_assert(DateTime(2) != DateTime(3), "operator !=");
26 static_assert(DateTime(2) < DateTime(3), "operator <");
27 static_assert(DateTime(3) > DateTime(2), "operator >");
28 static_assert(DateTime::eternity().isEternity() && !DateTime().isEternity(), "isEternity()");
29 static constexpr auto dateFromUnixEpoch(
30  DateTime::unixEpochStart() + TimeSpan::fromHours(1) + TimeSpan::fromMinutes(2) + TimeSpan::fromSeconds(3.1256789));
31 static_assert(dateFromUnixEpoch.dayOfWeek() == DayOfWeek::Thursday, "dayOfWeek()");
32 static_assert(dateFromUnixEpoch.hour() == 1, "hour()");
33 static_assert(dateFromUnixEpoch.minute() == 2, "minute()");
34 static_assert(dateFromUnixEpoch.second() == 3, "second()");
35 static_assert(dateFromUnixEpoch.millisecond() == 125, "millisecond()");
36 static_assert(dateFromUnixEpoch.microsecond() == 678, "microsecond()");
37 static_assert(dateFromUnixEpoch.nanosecond() == 900, "nanosecond()");
38 static_assert(dateFromUnixEpoch.isSameDay(DateTime::unixEpochStart()), "isSameDay()");
39 static_assert(!dateFromUnixEpoch.isSameDay(DateTime::unixEpochStart() + TimeSpan::fromHours(24)), "!isSameDay()");
40 
41 // compile-time checks for TimeSpan class
42 static_assert(TimeSpan().isNull(), "isNull()");
43 static_assert(TimeSpan(1).totalTicks() == 1, "construction with ticks");
44 static_assert(TimeSpan(-1).isNegative() && !TimeSpan(1).isNegative(), "isNegative()");
45 static_assert(TimeSpan::infinity().isInfinity() && !TimeSpan().isInfinity(), "isInfinity()");
46 static_assert(TimeSpan::negativeInfinity().isNegativeInfinity() && !TimeSpan().isNegativeInfinity(), "isNegativeInfinity()");
47 static_assert(TimeSpan::fromMilliseconds(1.0125).nanoseconds() == 500, "fromMilliseconds()/nanoseconds()");
48 static_assert(TimeSpan::fromMilliseconds(1.0125).microseconds() == 12, "fromMilliseconds()/microseconds()");
49 static_assert(TimeSpan::fromMilliseconds(1.0125).milliseconds() == 1, "fromMilliseconds()/milliseconds()");
50 static_assert(TimeSpan::fromSeconds(61).seconds() == 1, "fromSeconds()/seconds()");
51 static_assert(TimeSpan::fromSeconds(61).minutes() == 1, "fromSeconds()/minutes()");
52 static_assert(TimeSpan::fromMinutes(61).minutes() == 1, "fromMinutes()/minutes()");
53 static_assert(TimeSpan::fromHours(25).hours() == 1, "fromMinutes()/hours()");
54 static_assert(TimeSpan::fromDays(20.5).days() == 20, "fromDays()/days()");
55 static_assert(TimeSpan::fromMinutes(1.5).totalMicroseconds() == 90e6, "totalMicroseconds()");
56 static_assert(TimeSpan::fromMinutes(1.5).totalMilliseconds() == 90e3, "totalMilliseconds()");
57 static_assert(TimeSpan::fromMinutes(1.5).totalSeconds() == 90.0, "totalSeconds()");
58 static_assert(TimeSpan::fromHours(1.5).totalMinutes() == 90.0, "totalMinutes()");
59 static_assert(TimeSpan::fromDays(1.5).totalHours() == 36.0, "totalHours()");
60 static_assert(TimeSpan::fromDays(20.5).totalDays() == 20.5, "totalDays()");
61 
68 class ChronoTests : public TestFixture {
69  CPPUNIT_TEST_SUITE(ChronoTests);
70  CPPUNIT_TEST(testDateTime);
71  CPPUNIT_TEST(testTimeSpan);
72  CPPUNIT_TEST(testOperators);
73  CPPUNIT_TEST(testPeriod);
74  CPPUNIT_TEST(testHashing);
75  CPPUNIT_TEST_SUITE_END();
76 
77 public:
78  void setUp()
79  {
80  }
81  void tearDown()
82  {
83  }
84 
85  void testDateTime();
86  void testTimeSpan();
87  void testOperators();
88  void testPeriod();
89  void testHashing();
90 };
91 
93 
98 {
99  // test year(), month(), ...
100  CPPUNIT_ASSERT_EQUAL(DateTime::daysInMonth(2000, 2), 29);
101  CPPUNIT_ASSERT_EQUAL(DateTime::daysInMonth(2001, 2), 28);
102  CPPUNIT_ASSERT_EQUAL(DateTime::daysInMonth(2100, 2), 28);
103  const auto test1 = DateTime::fromDateAndTime(2012, 2, 29, 15, 34, 20, 33.0);
104  CPPUNIT_ASSERT_EQUAL(2012, test1.year());
105  CPPUNIT_ASSERT_EQUAL(2, test1.month());
106  CPPUNIT_ASSERT_EQUAL(29, test1.day());
107  CPPUNIT_ASSERT_EQUAL(15, test1.hour());
108  CPPUNIT_ASSERT_EQUAL(34, test1.minute());
109  CPPUNIT_ASSERT_EQUAL(20, test1.second());
110  CPPUNIT_ASSERT_EQUAL(33, test1.millisecond());
111  CPPUNIT_ASSERT_EQUAL(DayOfWeek::Wednesday, test1.dayOfWeek());
112  CPPUNIT_ASSERT_EQUAL((31 + 29), test1.dayOfYear());
113  CPPUNIT_ASSERT(test1.isLeapYear());
114  CPPUNIT_ASSERT(test1.isSameDay(test1 + TimeSpan::fromHours(8)));
115  CPPUNIT_ASSERT(!test1.isSameDay(test1 + TimeSpan::fromHours(9)));
116  CPPUNIT_ASSERT_EQUAL("Wed 2012-02-29 15:34:20.033"s, test1.toString(DateTimeOutputFormat::DateTimeAndShortWeekday));
117 
118  // test fromTimeStamp()
119  const auto fromTimeStampGmt = DateTime::fromTimeStampGmt(1453840331), fromTimeStamp = DateTime::fromTimeStamp(1453840331);
120  CPPUNIT_ASSERT_EQUAL("Tue 2016-01-26 20:32:11"s, fromTimeStampGmt.toString(DateTimeOutputFormat::DateTimeAndShortWeekday));
121  CPPUNIT_ASSERT(fabs((fromTimeStamp - fromTimeStampGmt).totalDays()) <= 1.0);
122  CPPUNIT_ASSERT_EQUAL(DateTime(), DateTime::fromTimeStamp(0));
123 
124  // test whether ConversionException() is thrown when invalid values are specified
125  CPPUNIT_ASSERT_THROW(DateTime::fromDate(0, 1, 1), ConversionException);
126  CPPUNIT_ASSERT_THROW(DateTime::fromDate(2012, 15, 1), ConversionException);
127  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(0, 2, 29, 15, 34, 20, 33), ConversionException);
128  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2013, 2, 29, 15, 34, 20, 33), ConversionException);
129  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 2, 29, 15, 61, 20, 33), ConversionException);
130  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 4, 31, 15, 0, 20, 33), ConversionException);
131  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 3, 31, 15, 0, 61, 33), ConversionException);
132  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 1, 1, 61, 2, 1), ConversionException);
133  CPPUNIT_ASSERT_THROW(DateTime::fromDateAndTime(2012, 1, 1, 15, 2, 1, 2000.0), ConversionException);
134 
135  // test fromString()/toString()
136  CPPUNIT_ASSERT_EQUAL(test1, DateTime::fromString("2012-02-29 15:34:20.033"));
137  CPPUNIT_ASSERT_EQUAL_MESSAGE("surplus parts ignored", test1, DateTime::fromString("2012-02-29 15:34:20.033:12"));
138  CPPUNIT_ASSERT_EQUAL("2012-02-29 15:34:20.033"s, test1.toString(DateTimeOutputFormat::DateAndTime, false));
139  CPPUNIT_ASSERT_THROW(TimeSpan::fromString("2012-02-29 15:34:34:20.033"), ConversionException);
140  const auto test3 = DateTime::fromIsoString("2016-08-29T21:32:31.125+02:00");
141  CPPUNIT_ASSERT_EQUAL("2016-08-29T21:32:31.125+02:00"s, test3.first.toIsoString(test3.second));
142  CPPUNIT_ASSERT_THROW(DateTime::fromString("#"), ConversionException);
143  // test accuracy (of 100 nanoseconds)
144  const auto test4 = DateTime::fromIsoString("2017-08-23T19:40:15.985077682+02:30");
145  CPPUNIT_ASSERT_EQUAL(2.5, test4.second.totalHours());
146  CPPUNIT_ASSERT_EQUAL(15, test4.first.second());
147  CPPUNIT_ASSERT_EQUAL(985, test4.first.millisecond());
148  CPPUNIT_ASSERT_EQUAL(77, test4.first.microsecond());
149  CPPUNIT_ASSERT_EQUAL(600, test4.first.nanosecond());
150  CPPUNIT_ASSERT_EQUAL("2017-08-23T19:40:15.9850776+02:30"s, test4.first.toIsoString(test4.second));
151  // test negative delta
152  const auto test5 = DateTime::fromIsoString("2017-08-23T19:40:15.985077682-02:30");
153  CPPUNIT_ASSERT_EQUAL(-2.5, test5.second.totalHours());
154  CPPUNIT_ASSERT_EQUAL(15, test5.first.second());
155  CPPUNIT_ASSERT_EQUAL(985, test5.first.millisecond());
156  CPPUNIT_ASSERT_EQUAL(77, test5.first.microsecond());
157  CPPUNIT_ASSERT_EQUAL(600, test5.first.nanosecond());
158  CPPUNIT_ASSERT_EQUAL("2017-08-23T19:40:15.9850776-02:30"s, test5.first.toIsoString(test5.second));
159  // test further variants
160  CPPUNIT_ASSERT_EQUAL_MESSAGE("Zulu time", TimeSpan(), DateTime::fromIsoString("2017-08-23T19:40:15.985077682Z").second);
161  CPPUNIT_ASSERT_EQUAL_MESSAGE("no minutes", TimeSpan::fromHours(3), DateTime::fromIsoString("2017-08-23T19:40:15.985077682+03").second);
162  const auto test6 = DateTime::fromIsoString("1970-01-01T01:02:03+01:00");
163  CPPUNIT_ASSERT_EQUAL_MESSAGE("no seconds fraction", DateTime::fromDateAndTime(1970, 1, 1, 1, 2, 3), test6.first);
164  CPPUNIT_ASSERT_EQUAL_MESSAGE("no seconds fraction", TimeSpan::fromHours(1.0), test6.second);
165  // test invalid characters
166  CPPUNIT_ASSERT_THROW_MESSAGE("digits after Z", DateTime::fromIsoString("2017-O8-23T19:40:15.985077682Z02:00"), ConversionException);
167  CPPUNIT_ASSERT_THROW_MESSAGE("invalid letter", DateTime::fromIsoString("2017-O8-23T19:40:15.985077682:+02:00"), ConversionException);
168  CPPUNIT_ASSERT_THROW_MESSAGE("invalid T", DateTime::fromIsoString("2017-08-23T19:T40:15.985077682+02:00"), ConversionException);
169  CPPUNIT_ASSERT_THROW_MESSAGE("invalid -", DateTime::fromIsoString("2017-08-23T19:40-15.985077682+02:00"), ConversionException);
170  CPPUNIT_ASSERT_THROW_MESSAGE("invalid .", DateTime::fromIsoString("2017-08.5-23T19:40:15.985077682+02:00"), ConversionException);
171  CPPUNIT_ASSERT_THROW_MESSAGE("invalid :", DateTime::fromIsoString("2017:08-23T19:40:15.985077682+02:00"), ConversionException);
172  CPPUNIT_ASSERT_THROW_MESSAGE("invalid :", DateTime::fromIsoString("2017-08-23T19:40:15:985077682+02:00"), ConversionException);
173 
174 // test now() and exactNow() (or at least whether both behave the same)
175 #if defined(PLATFORM_UNIX)
176  const auto delta = DateTime::gmtNow() - DateTime::exactGmtNow();
177  CPPUNIT_ASSERT(delta < TimeSpan::fromSeconds(2) && delta > TimeSpan::fromSeconds(-2));
178 #endif
179 }
180 
185 {
186  // test fromString(...), this should also test all other from...() methods and + operator
187  CPPUNIT_ASSERT_EQUAL(TimeSpan(), TimeSpan::fromString(string()));
188  CPPUNIT_ASSERT_EQUAL(TimeSpan::fromSeconds(5.0), TimeSpan::fromString("5.0"));
189  CPPUNIT_ASSERT_EQUAL(TimeSpan::fromMinutes(5.5), TimeSpan::fromString("5:30"));
190  CPPUNIT_ASSERT_EQUAL(TimeSpan::fromHours(7) + TimeSpan::fromMinutes(5.5), TimeSpan::fromString("7:5:30"));
191  const auto test1 = TimeSpan::fromString("2:34:53:2.5");
192  // test days(), hours(), ...
193  CPPUNIT_ASSERT_EQUAL(3, test1.days());
194  CPPUNIT_ASSERT_EQUAL(10, test1.hours());
195  CPPUNIT_ASSERT_EQUAL(53, test1.minutes());
196  CPPUNIT_ASSERT_EQUAL(2, test1.seconds());
197  CPPUNIT_ASSERT_EQUAL(500, test1.milliseconds());
198  CPPUNIT_ASSERT(test1.totalDays() > 3.0 && test1.totalDays() < 4.0);
199  CPPUNIT_ASSERT(test1.totalHours() > (2 * 24 + 34) && test1.totalHours() < (2 * 24 + 35));
200  CPPUNIT_ASSERT(test1.totalMinutes() > (2 * 24 * 60 + 34 * 60 + 53) && test1.totalHours() < (2 * 24 * 60 + 34 * 60 + 54));
201  // test toString(...)
202  CPPUNIT_ASSERT_EQUAL("3 d 10 h 53 min 2 s 500 ms"s, test1.toString(TimeSpanOutputFormat::WithMeasures, false));
203  CPPUNIT_ASSERT_EQUAL("07:05:30"s, (TimeSpan::fromHours(7) + TimeSpan::fromMinutes(5.5)).toString());
204  CPPUNIT_ASSERT_EQUAL("-5 s"s, TimeSpan::fromSeconds(-5.0).toString(TimeSpanOutputFormat::WithMeasures, false));
205  CPPUNIT_ASSERT_EQUAL("0 s"s, TimeSpan().toString(TimeSpanOutputFormat::WithMeasures, false));
206  CPPUNIT_ASSERT_EQUAL("5e+02 µs"s, TimeSpan::fromMilliseconds(0.5).toString(TimeSpanOutputFormat::WithMeasures, false));
207  // test accuracy (of 100 nanoseconds)
208  const auto test2 = TimeSpan::fromString("15.985077682");
209  CPPUNIT_ASSERT_EQUAL(15.9850776, test2.totalSeconds());
210  CPPUNIT_ASSERT_EQUAL(15, test2.seconds());
211  CPPUNIT_ASSERT_EQUAL(985, test2.milliseconds());
212  CPPUNIT_ASSERT_EQUAL(77, test2.microseconds());
213  CPPUNIT_ASSERT_EQUAL(600, test2.nanoseconds());
214  CPPUNIT_ASSERT_EQUAL("00:00:15.9850776"s, test2.toString());
215  CPPUNIT_ASSERT_EQUAL("15 s 985 ms 77 µs 600 ns"s, test2.toString(TimeSpanOutputFormat::WithMeasures));
216  CPPUNIT_ASSERT_EQUAL("15.9850776"s, test2.toString(TimeSpanOutputFormat::TotalSeconds));
217 
218  // test whether ConversionException() is thrown when invalid values are specified
219  CPPUNIT_ASSERT_THROW(TimeSpan::fromString("2:34a:53:32.5"), ConversionException);
220 }
221 
226 {
227  auto dateTime = DateTime::fromDateAndTime(1999, 1, 5, 4, 16);
228  CPPUNIT_ASSERT_EQUAL(7, (dateTime + TimeSpan::fromDays(2)).day());
229  CPPUNIT_ASSERT_EQUAL(6, (dateTime + TimeSpan::fromHours(24)).day());
230  CPPUNIT_ASSERT_EQUAL(3, (dateTime + TimeSpan::fromHours(24) + TimeSpan::fromHours(-1)).hour());
231  CPPUNIT_ASSERT_EQUAL(17, (dateTime + TimeSpan::fromHours(24) - TimeSpan::fromMinutes(-1)).minute());
232  dateTime += TimeSpan::fromDays(365);
233  CPPUNIT_ASSERT_EQUAL(2000, dateTime.year());
234  CPPUNIT_ASSERT_EQUAL(5, dateTime.day());
235 }
236 
241 {
242  const auto begin(DateTime::fromDateAndTime(1994, 7, 18, 15, 30, 21)), end(DateTime::fromDateAndTime(2017, 12, 2, 15, 30, 21));
243  const Period period(begin, end);
244  CPPUNIT_ASSERT_EQUAL(23, period.years());
245  CPPUNIT_ASSERT_EQUAL(4, period.months());
246  CPPUNIT_ASSERT_EQUAL(14, period.days());
247  CPPUNIT_ASSERT_EQUAL(end.toString(), (begin + period).toString());
248 
249  const auto end2(DateTime::fromDateAndTime(2018, 1, 2, 15, 30, 21));
250  const Period period2(begin, end2);
251  CPPUNIT_ASSERT_EQUAL(23, period2.years());
252  CPPUNIT_ASSERT_EQUAL(5, period2.months());
253  CPPUNIT_ASSERT_EQUAL_MESSAGE("one more day, because December has 31 days", 15, period2.days());
254  CPPUNIT_ASSERT_EQUAL(end2.toString(), (begin + period2).toString());
255 }
256 
261 {
262  set<DateTime> dateTimes;
263  dateTimes.emplace(DateTime::fromDate(2500, 2, 1));
264  dateTimes.emplace(DateTime::fromDate(2500, 2, 2));
265  dateTimes.emplace(DateTime::fromDate(2500, 2, 1));
266  CPPUNIT_ASSERT_EQUAL(2_st, dateTimes.size());
267 
268  set<TimeSpan> timeSpans;
269  timeSpans.emplace(TimeSpan::fromDays(5));
270  timeSpans.emplace(TimeSpan::fromDays(10));
271  timeSpans.emplace(TimeSpan::fromDays(5));
272  CPPUNIT_ASSERT_EQUAL(2_st, timeSpans.size());
273 }
CPPUNIT_TEST_SUITE_REGISTRATION(ChronoTests)
void testPeriod()
Tests Period.
Represents an instant in time, typically expressed as a date and time of day.
Definition: datetime.h:52
Contains classes providing a means for handling date and time information.
Definition: datetime.h:12
The ConversionException class is thrown by the various conversion functions of this library when a co...
Represents a time interval.
Definition: timespan.h:28
Contains literals to ease asserting with CPPUNIT_ASSERT_EQUAL.
Definition: testutils.h:268
void testHashing()
Tests hashing DateTime / TimeSpan by using in a set.
void testOperators()
Tests operators of DateTime / TimeSpan.
void setUp()
Definition: chronotests.cpp:78
void testDateTime()
Tests most important DateTime features.
Definition: chronotests.cpp:97
void testTimeSpan()
Tests most important TimeSpan features.
Represents a period of time.
Definition: period.h:8
The ChronoTests class tests classes and methods of the ChronoUtilities namespace.
Definition: chronotests.cpp:68
Contains several functions providing conversions between different data types.
int days() const
Returns the days component of the period represented by the current instance.
Definition: period.h:40
void tearDown()
Definition: chronotests.cpp:81
int years() const
Returns the years component of the period represented by the current instance.
Definition: period.h:24
int months() const
Returns the months component of the period represented by the current instance.
Definition: period.h:32