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// Copyright (C) 2007 Red Hat, Inc.
// Written by Gary Benson <gbenson@redhat.com>
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
// Tags: JDK1.1
package gnu.testlet.java.util.GregorianCalendar;
import java.util.Calendar;
import java.util.GregorianCalendar;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
public class weekOfYear implements Testlet
{
public void test(TestHarness harness)
{
GregorianCalendar d = new GregorianCalendar();
GregorianCalendar e = new GregorianCalendar();
// Years whose first days are the specified weekdays
int testYears[][] =
{{2007, 1996, Calendar.MONDAY},
{2002, 2008, Calendar.TUESDAY},
{2003, 1992, Calendar.WEDNESDAY},
{1998, 2004, Calendar.THURSDAY},
{1999, 1988, Calendar.FRIDAY},
{2005, 2000, Calendar.SATURDAY},
{2006, 1956, Calendar.SUNDAY}};
// Months to test. We definitely want January here,
// to check the calculation where January 1 falls
// before week 1 of the year.
int testMonths[] = {Calendar.JANUARY, Calendar.JULY};
int monthLengths[] = {31, 28, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31};
for (int minimalDaysInFirstWeek = 1;
minimalDaysInFirstWeek <= 7; minimalDaysInFirstWeek++) {
d.setMinimalDaysInFirstWeek(minimalDaysInFirstWeek);
e.setMinimalDaysInFirstWeek(minimalDaysInFirstWeek);
for (int firstDayOfWeek = Calendar.SUNDAY;
firstDayOfWeek <= Calendar.SATURDAY; firstDayOfWeek++) {
d.setFirstDayOfWeek(firstDayOfWeek);
e.setFirstDayOfWeek(firstDayOfWeek);
for (int i = 0; i < testYears.length; i++) {
int dayOfFirst = testYears[i][2];
for (int leap = 0; leap <= 1; leap++) {
int year = testYears[i][leap];
for (int j = 0; j < testMonths.length; j++) {
int month = testMonths[j];
for (int day = 1; day <= 31; day++) {
// First we set YEAR + MONTH + DAY_OF_MONTH and check
// we have DAY_OF_YEAR and WEEK_OF_YEAR correct.
GregorianCalendar c = new GregorianCalendar(year, month, day);
c.setMinimalDaysInFirstWeek(minimalDaysInFirstWeek);
c.setFirstDayOfWeek(firstDayOfWeek);
// Which day of the year is this?
int dayOfYear = 0;
for (int k = 0; k < month; k++)
dayOfYear += monthLengths[k];
if (month > Calendar.FEBRUARY)
dayOfYear += leap;
dayOfYear += day;
harness.check(c.get(Calendar.DAY_OF_YEAR) == dayOfYear);
// Which day of the week is it?
int dayOfWeek = (dayOfFirst + dayOfYear - 2) % 7 + 1;
harness.check(c.get(Calendar.DAY_OF_WEEK) == dayOfWeek);
// Which day of the week is the first of the year,
// relative to firstDayOfWeek.
int relativeDayOfFirst = (7 + dayOfFirst - firstDayOfWeek) % 7;
// Which day of the year is week one, day one?
int dayOfYearOfWeek1Day1 = 1 - relativeDayOfFirst;
if ((7 - relativeDayOfFirst) < minimalDaysInFirstWeek)
dayOfYearOfWeek1Day1 += 7;
// If we're before week one, day one then the week
// number will be with respect to the previous year.
// I think this is crack, but there you go.
int checkYear = year;
if (dayOfYear < dayOfYearOfWeek1Day1)
{
checkYear--;
if (checkYear % 4 == 0)
{
relativeDayOfFirst = (relativeDayOfFirst + 5) % 7;
dayOfYear += 366;
}
else
{
relativeDayOfFirst = (relativeDayOfFirst + 6) % 7;
dayOfYear += 365;
}
dayOfYearOfWeek1Day1 = 1 - relativeDayOfFirst;
if ((7 - relativeDayOfFirst) < minimalDaysInFirstWeek)
dayOfYearOfWeek1Day1 += 7;
}
// Which week of the year is this day in?
int weekOfYear = (dayOfYear - dayOfYearOfWeek1Day1 + 7) / 7;
harness.check(c.get(Calendar.WEEK_OF_YEAR) == weekOfYear);
// Then we set YEAR + DAY_OF_WEEK + WEEK_OF_YEAR and
// check we have MONTH and DAY_OF_MONTH correct.
d.clear();
d.set(Calendar.YEAR, checkYear);
d.set(Calendar.DAY_OF_WEEK, dayOfWeek);
d.set(Calendar.WEEK_OF_YEAR, weekOfYear);
harness.check(d.get(Calendar.YEAR) == year);
harness.check(d.get(Calendar.MONTH) == month);
harness.check(d.get(Calendar.DAY_OF_MONTH) == day);
}
}
}
}
}
}
}
}
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