datetimetest.cpp

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//
// DateTimeTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/DateTimeTest.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// 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. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// 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
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//


#include "DateTimeTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/DateTime.h"
#include "Foundation/Timestamp.h"


using Foundation::Timestamp;
using Foundation::DateTime;


DateTimeTest::DateTimeTest(const std::string& name): CppUnit::TestCase(name)
{
}


DateTimeTest::~DateTimeTest()
{
}


void DateTimeTest::testTimestamp()
{
	Timestamp ts(0); // Unix epoch 1970-01-01 00:00:00 Thursday
	DateTime dt(ts);
	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.julianDay() == 2440587.5);
	assert (dt.timestamp() == 0);

	ts = Timestamp::fromEpochTime(1000000000);
	dt = ts; // 2001-09-09 01:46:40 Sunday
	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.timestamp().epochTime() == 1000000000);
	assertEqualDelta (dt.julianDay(), 2452161.574074, 0.000001);
}


void DateTimeTest::testJulian()
{
	DateTime dt(2440587.5); // unix epoch as Julian day
	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.julianDay() == 2440587.5);
	assert (dt.timestamp() == 0);
	
	dt = 2299160.5; // 1582-10-15 00:00:00 (first day of Gregorian reform, UTC base)
	assert (dt.year() == 1582);
	assert (dt.month() == 10);
	assert (dt.day() == 15);
	assert (dt.hour() == 0);
	assert (dt.minute() == 0);
	assert (dt.second() == 0);
	assert (dt.millisecond() == 0);
	assert (dt.dayOfWeek() == 5);
	assert (dt.julianDay() == 2299160.5);

	dt = 0.0; // -4713-11-24 12:00:00 (Gregorian date of Julian day reference)
	assert (dt.year() == -4713);
	assert (dt.month() == 11);
	assert (dt.day() == 24);
	assert (dt.hour() == 12);
	assert (dt.minute() == 0);
	assert (dt.second() == 0);
	assert (dt.millisecond() == 0);
	assert (dt.dayOfWeek() == 1);
	assert (dt.julianDay() == 0);
}


void DateTimeTest::testGregorian()
{
	DateTime 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);
	assert (dt.julianDay() == 2440587.5);
	assert (dt.timestamp() == 0);
	
	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.timestamp().epochTime() == 1000000000);
	assertEqualDelta (dt.julianDay(), 2452161.574074, 0.000001);
}


void DateTimeTest::testConversions()
{
	DateTime dt1(2005, 1, 28, 14, 24, 44, 234);
	Timestamp ts1 = dt1.timestamp();
	DateTime dt2(ts1);
	Timestamp ts2 = dt2.timestamp();
	DateTime dt3;
	dt3 = dt1;
	Timestamp ts3 = dt3.timestamp();
	DateTime dt4(dt2);
	Timestamp ts4 = dt4.timestamp();

	assert (ts1 == ts2);
	assert (ts2 == ts3);
	assert (ts3 == ts4);

	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);
}


void DateTimeTest::testStatics()
{
	assert (DateTime::isLeapYear(1984));
	assert (DateTime::isLeapYear(1988));
	assert (DateTime::isLeapYear(1992));
	assert (DateTime::isLeapYear(1996));
	assert (DateTime::isLeapYear(2000));
	assert (DateTime::isLeapYear(2400));
	assert (!DateTime::isLeapYear(1995));
	assert (!DateTime::isLeapYear(1998));
	assert (!DateTime::isLeapYear(2001));
	assert (!DateTime::isLeapYear(1800));
	assert (!DateTime::isLeapYear(1900));
	
	assert (DateTime::daysOfMonth(2000, 1) == 31);
	assert (DateTime::daysOfMonth(2000, 2) == 29);
	assert (DateTime::daysOfMonth(1999, 2) == 28);
}


void DateTimeTest::testCalcs()
{
	DateTime 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 DateTimeTest::testAMPM()
{
	DateTime 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 DateTimeTest::setUp()
{
}


void DateTimeTest::tearDown()
{
}


CppUnit::Test* DateTimeTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("DateTimeTest");

	CppUnit_addTest(pSuite, DateTimeTest, testTimestamp);
	CppUnit_addTest(pSuite, DateTimeTest, testJulian);
	CppUnit_addTest(pSuite, DateTimeTest, testGregorian);
	CppUnit_addTest(pSuite, DateTimeTest, testConversions);
	CppUnit_addTest(pSuite, DateTimeTest, testStatics);
	CppUnit_addTest(pSuite, DateTimeTest, testCalcs);
	CppUnit_addTest(pSuite, DateTimeTest, testAMPM);

	return pSuite;
}