112 lines
4.0 KiB
Java
112 lines
4.0 KiB
Java
/*
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* Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6452848
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* @summary Make sure that the resolution of (WEKK_OF_MONTH +
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* DAY_OF_WEEK) and (DAY_OF_WEEK_IN_MONTH + DAY_OF_WEEK) works as
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* specified in the API.
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* @key randomness
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*/
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import java.util.*;
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import static java.util.Calendar.*;
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public class ResolutionTest {
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static Random rand = new Random();
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public static void main(String[] args) {
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for (int year = 1995; year < 2011; year++) {
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for (int month = JANUARY; month <= DECEMBER; month++) {
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for (int dow = SUNDAY; dow <= SATURDAY; dow++) {
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test(year, month, dow);
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}
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}
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}
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}
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static void test(int year, int month, int dow) {
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Calendar cal = new GregorianCalendar(year, month, 1);
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int max = cal.getActualMaximum(DAY_OF_MONTH);
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ArrayList<Integer> list = new ArrayList<Integer>();
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for (int d = 1; d <= max; d++) {
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cal.clear();
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cal.set(year, month, d);
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if (cal.get(DAY_OF_WEEK) == dow) {
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list.add(d);
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}
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}
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for (int i = 0; i < 100; i++) {
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int nth = rand.nextInt(list.size()); // 0-based
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int day = list.get(nth);
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nth++; // 1-based
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testDayOfWeekInMonth(year, month, nth, dow, day);
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}
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// Put WEEK_OF_MONTH-DAY_OF_MONTH pairs
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list = new ArrayList<Integer>();
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for (int d = 1; d <= max; d++) {
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cal.clear();
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cal.set(year, month, d);
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if (cal.get(DAY_OF_WEEK) == dow) {
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list.add(cal.get(WEEK_OF_MONTH));
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list.add(d);
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}
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}
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for (int i = 0; i < list.size(); i++) {
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int nth = list.get(i++);
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int day = list.get(i);
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testWeekOfMonth(year, month, nth, dow, day);
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}
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}
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static Koyomi cal = new Koyomi();
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static void testDayOfWeekInMonth(int year, int month, int nth, int dow, int expected) {
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// don't call clear() here
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cal.set(YEAR, year);
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cal.set(MONTH, month);
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// Set DAY_OF_WEEK_IN_MONTH before DAY_OF_WEEK
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cal.set(DAY_OF_WEEK_IN_MONTH, nth);
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cal.set(DAY_OF_WEEK, dow);
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if (!cal.checkDate(year, month, expected)) {
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throw new RuntimeException(String.format("DOWIM: year=%d, month=%d, nth=%d, dow=%d:%s%n",
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year, month+1, nth, dow, cal.getMessage()));
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}
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}
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static void testWeekOfMonth(int year, int month, int nth, int dow, int expected) {
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// don't call clear() here
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cal.set(YEAR, year);
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cal.set(MONTH, month);
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// Set WEEK_OF_MONTH before DAY_OF_WEEK
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cal.set(WEEK_OF_MONTH, nth);
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cal.set(DAY_OF_WEEK, dow);
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if (!cal.checkDate(year, month, expected)) {
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throw new RuntimeException(String.format("WOM: year=%d, month=%d, nth=%d, dow=%d:%s%n",
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year, month+1, nth, dow, cal.getMessage()));
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}
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}
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}
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