1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6902861 27 * @summary Test for a workaround when WEEK_OF_YEAR and YEAR are out of sync. 28 */ 29 30 import java.util.*; 31 import static java.util.GregorianCalendar.*; 32 33 public class Bug6902861 { 34 static int errors = 0; 35 36 public static void main(String [] args) { 37 Locale loc = Locale.getDefault(); 38 try { 39 Locale.setDefault(Locale.GERMANY); 40 test(2010, JANUARY, 1, +1, 1); 41 test(2010, JANUARY, 1, +2, 2); 42 test(2010, JANUARY, 1, -1, 52); 43 test(2010, JANUARY, 1, -2, 51); 44 test(2008, DECEMBER, 31, +1, 1); 45 test(2008, DECEMBER, 31, +2, 2); 46 test(2008, DECEMBER, 31, -1, 52); 47 test(2008, DECEMBER, 31, -2, 51); 48 if (errors > 0) { 49 throw new RuntimeException("Failed"); 50 } 51 } finally { 52 Locale.setDefault(loc); 53 } 54 } 55 56 static void test(int year, int month, int dayOfMonth, int amount, int expected) { 57 String date = String.format("%04d-%02d-%02d", year, month+1, dayOfMonth); 58 Calendar calendar = new GregorianCalendar(year, month, dayOfMonth); 59 int week = calendar.get(WEEK_OF_YEAR); // fix the date 60 calendar.roll(WEEK_OF_YEAR, amount); 61 int got = calendar.get(WEEK_OF_YEAR); 62 int y = calendar.get(YEAR); 63 if (got != expected || y != year) { 64 System.err.printf("%s: roll %+d: got: %d,%2d; expected: %d,%2d%n", 65 date, amount, y, got, year, expected); 66 errors++; 67 } 68 } 69 }