136 lines
5.5 KiB
Java
136 lines
5.5 KiB
Java
/*
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* Copyright (c) 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 8152077
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* @summary Make sure that roll() with HOUR/HOUR_OF_DAY works around standard/daylight
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* time transitions
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*/
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import java.util.Calendar;
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import java.util.GregorianCalendar;
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import java.util.TimeZone;
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import static java.util.Calendar.*;
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public class Bug8152077 {
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private static final TimeZone LA = TimeZone.getTimeZone("America/Los_Angeles");
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private static final TimeZone BR = TimeZone.getTimeZone("America/Sao_Paulo");
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private static final int[] ALLDAY_HOURS = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
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};
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private static final int[] AM_HOURS = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
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};
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private static final int[] PM_HOURS = { // in 24-hour clock
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
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};
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private static int errors;
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public static void main(String[] args) {
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TimeZone initialTz = TimeZone.getDefault();
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try {
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testRoll(LA, new int[] { 2016, MARCH, 13 },
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new int[] { 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 });
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testRoll(LA, new int[] { 2016, MARCH, 13 },
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new int[] { 0, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11 });
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testRoll(LA, new int[] { 2016, MARCH, 13 }, PM_HOURS);
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testRoll(LA, new int[] { 2016, NOVEMBER, 6 }, ALLDAY_HOURS);
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testRoll(LA, new int[] { 2016, NOVEMBER, 6 }, AM_HOURS);
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testRoll(LA, new int[] { 2016, NOVEMBER, 6 }, PM_HOURS);
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testRoll(BR, new int[] { 2016, FEBRUARY, 21 }, ALLDAY_HOURS);
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testRoll(BR, new int[] { 2016, FEBRUARY, 21 }, AM_HOURS);
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testRoll(BR, new int[] { 2016, FEBRUARY, 21 }, PM_HOURS);
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testRoll(BR, new int[] { 2016, OCTOBER, 15 }, ALLDAY_HOURS);
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testRoll(BR, new int[] { 2016, OCTOBER, 15 }, PM_HOURS);
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testRoll(BR, new int[] { 2016, OCTOBER, 16 },
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new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
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12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 });
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testRoll(BR, new int[] { 2016, OCTOBER, 16 },
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new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 });
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testRoll(BR, new int[] { 2016, OCTOBER, 16 }, PM_HOURS);
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} finally {
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TimeZone.setDefault(initialTz);
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}
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if (errors > 0) {
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throw new RuntimeException("Test failed");
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}
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}
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private static void testRoll(TimeZone tz, int[] params, int[] sequence) {
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TimeZone.setDefault(tz);
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for (int i = 0; i < sequence.length; i++) {
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testRoll(+1, params, sequence, i);
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testRoll(-1, params, sequence, i);
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}
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}
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// amount must be 1 or -1.
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private static void testRoll(int amount, int[] params, int[] sequence, int startIndex) {
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int year = params[0];
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int month = params[1];
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int dayOfMonth = params[2];
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int hourOfDay = sequence[startIndex];
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Calendar cal = new GregorianCalendar(year, month, dayOfMonth,
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hourOfDay, 0, 0);
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int ampm = cal.get(AM_PM);
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int length = sequence.length;
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int count = length * 2;
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int field = (length > 12) ? HOUR_OF_DAY : HOUR;
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System.out.printf("roll(%s, %2d) starting from %s%n",
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(field == HOUR) ? "HOUR" : "HOUR_OF_DAY", amount, cal.getTime());
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for (int i = 0; i < count; i++) {
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int index = (amount > 0) ? (startIndex + i + 1) % length
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: Math.floorMod(startIndex - i - 1, length);
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int expected = sequence[index];
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if (field == HOUR) {
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expected %= 12;
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}
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cal.roll(field, amount);
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int value = cal.get(field);
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if (value != expected) {
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System.out.println("Unexpected field value: got=" + value
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+ ", expected=" + expected);
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errors++;
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}
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if (cal.get(DAY_OF_MONTH) != dayOfMonth) {
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System.out.println("DAY_OF_MONTH changed: " + dayOfMonth
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+ " to " + cal.get(DAY_OF_MONTH));
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}
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if (field == HOUR && cal.get(AM_PM) != ampm) {
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System.out.println("AM_PM changed: " + ampm + " to " + cal.get(AM_PM));
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errors++;
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}
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}
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}
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}
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