poco/Foundation/testsuite/src/LocalDateTimeTest.cpp
2015-04-06 17:56:13 +01:00

481 lines
12 KiB
C++

//
// LocalDateTimeTest.cpp
//
// $Id: //poco/1.4/Foundation/testsuite/src/LocalDateTimeTest.cpp#1 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "LocalDateTimeTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/LocalDateTime.h"
#include "Poco/DateTime.h"
#include "Poco/Timestamp.h"
#include "Poco/Timespan.h"
#include "Poco/Timezone.h"
#include "Poco/DateTimeFormat.h"
#include "Poco/DateTimeFormatter.h"
#include <ctime>
#include <iostream>
#if defined(_WIN32_WCE) && _WIN32_WCE < 0x800
#include "wce_time.h"
#endif
using Poco::LocalDateTime;
using Poco::DateTime;
using Poco::Timestamp;
using Poco::Timespan;
using Poco::Timezone;
#ifndef _WIN32_WCE
using std::strftime;
#endif
LocalDateTimeTest::LocalDateTimeTest(const std::string& name): CppUnit::TestCase(name)
{
}
LocalDateTimeTest::~LocalDateTimeTest()
{
}
void LocalDateTimeTest::testGregorian1()
{
LocalDateTime dt(1970, 1, 1);
assert (dt.year() == 1970);
assert (dt.month() == 1);
assert (dt.day() == 1);
assert (dt.hour() == 0);
assert (dt.minute() == 0);
assert (dt.second() == 0);
assert (dt.millisecond() == 0);
assert (dt.dayOfWeek() == 4);
// REMOVED: this fails when the current DST offset differs from
// the one on 1970-1-1
//assert (dt.tzd() == Timezone::tzd());
assert (dt.julianDay() == 2440587.5);
dt.assign(2001, 9, 9, 1, 46, 40);
assert (dt.year() == 2001);
assert (dt.month() == 9);
assert (dt.day() == 9);
assert (dt.hour() == 1);
assert (dt.minute() == 46);
assert (dt.second() == 40);
assert (dt.millisecond() == 0);
assert (dt.dayOfWeek() == 0);
//assert (dt.tzd() == Timezone::tzd());
assertEqualDelta (dt.julianDay(), 2452161.574074, 0.000001);
}
void LocalDateTimeTest::testGregorian2()
{
LocalDateTime dt(2*3600, 1970, 1, 1, 0, 0, 0, 0, 0);
assert (dt.year() == 1970);
assert (dt.month() == 1);
assert (dt.day() == 1);
assert (dt.hour() == 0);
assert (dt.minute() == 0);
assert (dt.second() == 0);
assert (dt.millisecond() == 0);
assert (dt.dayOfWeek() == 4);
assert (dt.tzd() == 2*3600);
dt.assign(-7*3600, 2001, 9, 9, 1, 46, 40, 0, 0);
assert (dt.year() == 2001);
assert (dt.month() == 9);
assert (dt.day() == 9);
assert (dt.hour() == 1);
assert (dt.minute() == 46);
assert (dt.second() == 40);
assert (dt.millisecond() == 0);
assert (dt.dayOfWeek() == 0);
assert (dt.tzd() == -7*3600);
}
void LocalDateTimeTest::testConversions()
{
LocalDateTime dt1(2*3600, 2005, 1, 28, 14, 24, 44, 234, 0);
LocalDateTime dt2(dt1.tzd(), dt1.utc());
LocalDateTime dt3;
dt3 = dt1;
LocalDateTime dt4(dt2);
LocalDateTime dt5(-4*3600, dt1.utc());
assert (dt2.year() == 2005);
assert (dt2.month() == 1);
assert (dt2.day() == 28);
assert (dt2.hour() == 14);
assert (dt2.minute() == 24);
assert (dt2.second() == 44);
assert (dt2.millisecond() == 234);
assert (dt2.dayOfWeek() == 5);
assert (dt2.tzd() == 2*3600);
assert (dt5.year() == 2005);
assert (dt5.month() == 1);
assert (dt5.day() == 28);
assert (dt5.hour() == 8);
assert (dt5.minute() == 24);
assert (dt5.second() == 44);
assert (dt5.millisecond() == 234);
assert (dt5.dayOfWeek() == 5);
assert (dt5.tzd() == -4*3600);
DateTime dt6(2005, 1, 28, 14, 24, 44, 234, 0);
LocalDateTime dt7(3600, dt6);
LocalDateTime dt8(3600, dt6, false);
LocalDateTime dt9(3600, dt6, true);
assert (dt7.hour() == 15);
assert (dt8.hour() == 14);
assert (dt9.hour() == 15);
}
void LocalDateTimeTest::testCalcs()
{
LocalDateTime dt1(2005, 1, 1);
assert (dt1.dayOfYear() == 1);
assert (dt1.week(DateTime::MONDAY) == 0);
dt1.assign(2005, 1, 3);
assert (dt1.dayOfYear() == 3);
assert (dt1.week(DateTime::MONDAY) == 1);
dt1.assign(2005, 1, 9);
assert (dt1.dayOfYear() == 9);
assert (dt1.week(DateTime::MONDAY) == 1);
dt1.assign(2005, 1, 10);
assert (dt1.dayOfYear() == 10);
assert (dt1.week(DateTime::MONDAY) == 2);
dt1.assign(2005, 2, 1);
assert (dt1.dayOfYear() == 32);
assert (dt1.week(DateTime::MONDAY) == 5);
dt1.assign(2005, 12, 31);
assert (dt1.week(DateTime::MONDAY) == 52);
dt1.assign(2007, 1, 1);
assert (dt1.week(DateTime::MONDAY) == 1);
dt1.assign(2007, 12, 31);
assert (dt1.week(DateTime::MONDAY) == 53);
// Jan 1 is Mon
dt1.assign(2001, 1, 1);
assert (dt1.week() == 1);
dt1.assign(2001, 1, 7);
assert (dt1.week() == 1);
dt1.assign(2001, 1, 8);
assert (dt1.week() == 2);
dt1.assign(2001, 1, 21);
assert (dt1.week() == 3);
dt1.assign(2001, 1, 22);
assert (dt1.week() == 4);
// Jan 1 is Tue
dt1.assign(2002, 1, 1);
assert (dt1.week() == 1);
dt1.assign(2002, 1, 6);
assert (dt1.week() == 1);
dt1.assign(2002, 1, 7);
assert (dt1.week() == 2);
dt1.assign(2002, 1, 20);
assert (dt1.week() == 3);
dt1.assign(2002, 1, 21);
assert (dt1.week() == 4);
// Jan 1 is Wed
dt1.assign(2003, 1, 1);
assert (dt1.week() == 1);
dt1.assign(2003, 1, 5);
assert (dt1.week() == 1);
dt1.assign(2003, 1, 6);
assert (dt1.week() == 2);
dt1.assign(2003, 1, 19);
assert (dt1.week() == 3);
dt1.assign(2003, 1, 20);
assert (dt1.week() == 4);
// Jan 1 is Thu
dt1.assign(2004, 1, 1);
assert (dt1.week() == 1);
dt1.assign(2004, 1, 4);
assert (dt1.week() == 1);
dt1.assign(2004, 1, 5);
assert (dt1.week() == 2);
dt1.assign(2004, 1, 18);
assert (dt1.week() == 3);
dt1.assign(2004, 1, 19);
assert (dt1.week() == 4);
// Jan 1 is Fri
dt1.assign(1999, 1, 1);
assert (dt1.week() == 0);
dt1.assign(1999, 1, 3);
assert (dt1.week() == 0);
dt1.assign(1999, 1, 4);
assert (dt1.week() == 1);
dt1.assign(1999, 1, 17);
assert (dt1.week() == 2);
dt1.assign(1999, 1, 18);
assert (dt1.week() == 3);
// Jan 1 is Sat
dt1.assign(2000, 1, 1);
assert (dt1.week() == 0);
dt1.assign(2000, 1, 2);
assert (dt1.week() == 0);
dt1.assign(2000, 1, 3);
assert (dt1.week() == 1);
dt1.assign(2000, 1, 16);
assert (dt1.week() == 2);
dt1.assign(2000, 1, 17);
assert (dt1.week() == 3);
// Jan 1 is Sun
dt1.assign(1995, 1, 1);
assert (dt1.week() == 0);
dt1.assign(1995, 1, 2);
assert (dt1.week() == 1);
dt1.assign(1995, 1, 3);
assert (dt1.week() == 1);
dt1.assign(1995, 1, 15);
assert (dt1.week() == 2);
dt1.assign(1995, 1, 16);
assert (dt1.week() == 3);
}
void LocalDateTimeTest::testAMPM()
{
LocalDateTime dt1(2005, 1, 1, 0, 15, 30);
assert (dt1.isAM());
assert (!dt1.isPM());
assert (dt1.hourAMPM() == 12);
dt1.assign(2005, 1, 1, 12, 15, 30);
assert (!dt1.isAM());
assert (dt1.isPM());
assert (dt1.hourAMPM() == 12);
dt1.assign(2005, 1, 1, 13, 15, 30);
assert (!dt1.isAM());
assert (dt1.isPM());
assert (dt1.hourAMPM() == 1);
}
void LocalDateTimeTest::testRelational1()
{
LocalDateTime dt1(2005, 1, 1, 0, 15, 30);
LocalDateTime dt2(2005, 1, 2, 0, 15, 30);
LocalDateTime dt3(dt1);
assert (dt1 < dt2);
assert (dt1 <= dt2);
assert (dt2 > dt1);
assert (dt2 >= dt1);
assert (dt1 != dt2);
assert (!(dt1 == dt2));
assert (dt1 == dt3);
assert (!(dt1 != dt3));
assert (dt1 >= dt3);
assert (dt1 <= dt3);
assert (!(dt1 > dt3));
assert (!(dt1 < dt3));
}
void LocalDateTimeTest::testRelational2()
{
LocalDateTime dt1(2*3600, 2005, 1, 1, 15, 30, 0, 0, 0);
LocalDateTime dt2(2*3600, 2005, 1, 1, 17, 30, 0, 0, 0);
LocalDateTime dt3(5*3600, 2005, 1, 1, 18, 30, 0, 0, 0);
assert (dt1 < dt2);
assert (dt1 <= dt2);
assert (dt2 > dt1);
assert (dt2 >= dt1);
assert (dt1 != dt2);
assert (!(dt1 == dt2));
assert (dt1 == dt3);
assert (!(dt1 != dt3));
assert (dt1 >= dt3);
assert (dt1 <= dt3);
assert (!(dt1 > dt3));
assert (!(dt1 < dt3));
}
void LocalDateTimeTest::testArithmetics1()
{
LocalDateTime dt1(2005, 1, 1, 0, 15, 30);
LocalDateTime dt2(2005, 1, 2, 0, 15, 30);
Timespan s = dt2 - dt1;
assert (s.days() == 1);
LocalDateTime dt3 = dt1 + s;
assert (dt3 == dt2);
dt3 -= s;
assert (dt3 == dt1);
dt1 += s;
assert (dt1 == dt2);
}
void LocalDateTimeTest::testArithmetics2()
{
LocalDateTime dt1(2*3600, 2005, 1, 1, 15, 30, 0, 0, 0);
LocalDateTime dt2(5*3600, 2005, 1, 2, 18, 30, 0, 0, 0);
Timespan s = dt2 - dt1;
assert (s.days() == 1);
LocalDateTime dt3 = dt1 + s;
assert (dt3 == dt2);
dt3 -= s;
assert (dt3 == dt1);
dt1 += s;
assert (dt1 == dt2);
}
void LocalDateTimeTest::testSwap()
{
LocalDateTime dt1(2005, 1, 1, 0, 15, 30);
LocalDateTime dt2(2005, 1, 2, 0, 15, 30);
assert (dt1 < dt2);
dt1.swap(dt2);
assert (dt2 < dt1);
}
void LocalDateTimeTest::testTimezone()
{
#if !defined(_WIN32_WCE)
std::time_t tINCREMENT = (30 * 24 * 60 * 60); // 30 days
Timespan tsINCREMENT(30*Timespan::DAYS);
LocalDateTime now;
std::time_t t = std::time(NULL);
std::tm then;
bool foundDST = false;
then = *std::localtime(&t);
if (then.tm_isdst >= 0)
{
std::string tzNow, tzThen;
char tzBuf[48] = {0};
if (0 == std::strftime(&tzBuf[0], sizeof(tzBuf), "%Z", &then))
fail ("Insufficient character array length.");
tzNow = tzThen = tzBuf;
int iterations = 0;
while (iterations < 14)
{
// Add one month until the timezone changes or we roll
// over 13 months.
t += tINCREMENT;
then = *std::localtime(&t);
std::strftime(&tzBuf[0], sizeof(tzBuf), "%Z", &then);
tzThen = tzBuf;
foundDST = (tzNow == tzThen);
if (foundDST) break;
++iterations;
}
if (foundDST)
{
// We found a timezone change that was induced by changing
// the month, so we crossed a DST boundary. Now we can
// actually do the test...
//
// Start with the current time and add 30 days for 13
// iterations. Do this with both a LocalDateTime object and
// a ANSI C time_t. Then create a LocalDateTime based on the
// time_t and verify that the time_t calculated value is equal
// to the LocalDateTime value. The comparison operator
// verifies the _dateTime and _tzd members.
LocalDateTime dt2;
t = std::time(NULL);
for (iterations = 0; iterations < 14; ++iterations)
{
t += tINCREMENT;
dt2 += tsINCREMENT;
then = *std::localtime(&t);
// This is the tricky part. We have to use the constructor
// from a UTC DateTime object that is constructed from the
// time_t. The LocalDateTime constructor with integer
// arguments, LocalDateTime(yr, mon, day, ...), assumes that
// the time is already adjusted with respect to the time
// zone. The DateTime conversion constructor, however, does
// not. So we want to construct from the UTC time.
//
// The second tricky part is that we want to use the
// sub-second information from the LocalDateTime object
// since ANSI C time routines are not sub-second accurate.
then = *std::gmtime(&t);
LocalDateTime calcd(DateTime((then.tm_year + 1900),
(then.tm_mon + 1),
then.tm_mday,
then.tm_hour,
then.tm_min,
then.tm_sec,
dt2.millisecond(),
dt2.microsecond()));
assert (dt2 == calcd);
}
}
}
if (!foundDST)
{
std::cerr
<< __FILE__ << ":" << __LINE__
<< " - failed to locate DST boundary, timezone test skipped."
<< std::endl;
}
#endif
}
void LocalDateTimeTest::setUp()
{
}
void LocalDateTimeTest::tearDown()
{
}
CppUnit::Test* LocalDateTimeTest::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("LocalDateTimeTest");
CppUnit_addTest(pSuite, LocalDateTimeTest, testGregorian1);
CppUnit_addTest(pSuite, LocalDateTimeTest, testGregorian2);
CppUnit_addTest(pSuite, LocalDateTimeTest, testConversions);
CppUnit_addTest(pSuite, LocalDateTimeTest, testCalcs);
CppUnit_addTest(pSuite, LocalDateTimeTest, testAMPM);
CppUnit_addTest(pSuite, LocalDateTimeTest, testRelational1);
CppUnit_addTest(pSuite, LocalDateTimeTest, testRelational2);
CppUnit_addTest(pSuite, LocalDateTimeTest, testArithmetics1);
CppUnit_addTest(pSuite, LocalDateTimeTest, testArithmetics2);
CppUnit_addTest(pSuite, LocalDateTimeTest, testSwap);
CppUnit_addTest(pSuite, LocalDateTimeTest, testTimezone);
return pSuite;
}