1 /* 2 * Copyright (c) 2010, 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 4267450 27 * @summary Unit test for week date support 28 */ 29 30 import java.text.*; 31 import java.util.*; 32 import static java.util.GregorianCalendar.*; 33 34 public class WeekDateTest { 35 36 // Week dates are in the ISO numbering for day-of-week. 37 static int[][][] data = { 38 // Calendar year-date, Week year-date 39 {{ 2005, 01, 01}, { 2004, 53, 6}}, 40 {{ 2005, 01, 02}, { 2004, 53, 7}}, 41 {{ 2005, 12, 31}, { 2005, 52, 6}}, 42 {{ 2007, 01, 01}, { 2007, 01, 1}}, 43 {{ 2007, 12, 30}, { 2007, 52, 7}}, 44 {{ 2007, 12, 31}, { 2008, 01, 1}}, 45 {{ 2008, 01, 01}, { 2008, 01, 2}}, 46 {{ 2008, 12, 29}, { 2009, 01, 1}}, 47 {{ 2008, 12, 31}, { 2009, 01, 3}}, 48 {{ 2009, 01, 01}, { 2009, 01, 4}}, 49 {{ 2009, 12, 31}, { 2009, 53, 4}}, 50 {{ 2010, 01, 03}, { 2009, 53, 7}}, 51 {{ 2009, 12, 31}, { 2009, 53, 4}}, 52 {{ 2010, 01, 01}, { 2009, 53, 5}}, 53 {{ 2010, 01, 02}, { 2009, 53, 6}}, 54 {{ 2010, 01, 03}, { 2009, 53, 7}}, 55 {{ 2008, 12, 28}, { 2008, 52, 7}}, 56 {{ 2008, 12, 29}, { 2009, 01, 1}}, 57 {{ 2008, 12, 30}, { 2009, 01, 2}}, 58 {{ 2008, 12, 31}, { 2009, 01, 3}}, 59 {{ 2009, 01, 01}, { 2009, 01, 4}} 60 }; 61 62 // Data for leniency test 63 static final int[][][] leniencyData = { 64 {{ 2008, 12, 28}, { 2009, 0, 7}}, 65 {{ 2008, 12, 21}, { 2009, -1, 7}}, 66 {{ 2009, 1, 4}, { 2008, 53, 7}}, 67 }; 68 69 static final int[][] invalidData = { 70 { 2010, -1, 1}, 71 { 2010, 00, 1}, 72 { 2010, 55, 1}, 73 { 2010, 03, 0}, 74 { 2010, 04, 8}, 75 { 2010, 04, 19}, 76 { 2010, 05, -1}, 77 }; 78 main(String[] args)79 public static void main(String[] args) { 80 GregorianCalendar cal = newCalendar(); 81 for (int[][] dates : data) { 82 int[] expected = dates[0]; 83 int[] weekDate = dates[1]; 84 // Convert ISO 8601 day-of-week to Calendar.DAY_OF_WEEK. 85 int dayOfWeek = getCalendarDayOfWeek(weekDate[2]); 86 87 cal.clear(); 88 cal.setWeekDate(weekDate[0], weekDate[1], dayOfWeek); 89 if (cal.get(YEAR) != expected[0] 90 || cal.get(MONTH)+1 != expected[1] 91 || cal.get(DAY_OF_MONTH) != expected[2]) { 92 String s = String.format("got=%4d-%02d-%02d, expected=%4d-%02d-%02d", 93 cal.get(YEAR), cal.get(MONTH)+1, cal.get(DAY_OF_MONTH), 94 expected[0], expected[1], expected[2]); 95 throw new RuntimeException(s); 96 } 97 if (cal.getWeekYear() != weekDate[0] 98 || cal.get(WEEK_OF_YEAR) != weekDate[1] 99 || cal.get(DAY_OF_WEEK) != dayOfWeek) { 100 String s = String.format( 101 "got=%4d-W%02d-%d, expected=%4d-W%02d-%d (not ISO day-of-week)", 102 cal.getWeekYear(), cal.get(WEEK_OF_YEAR), cal.get(DAY_OF_WEEK), 103 weekDate[0], weekDate[1], dayOfWeek); 104 throw new RuntimeException(s); 105 } 106 } 107 108 // Test getWeeksInWeekYear(). 109 // If we avoid the first week of January and the last week of 110 // December, getWeeksInWeekYear() and 111 // getActualMaximum(WEEK_OF_YEAR) values should be the same. 112 for (int year = 2000; year <= 2100; year++) { 113 cal.clear(); 114 cal.set(year, JUNE, 1); 115 int n = cal.getWeeksInWeekYear(); 116 if (n != cal.getActualMaximum(WEEK_OF_YEAR)) { 117 String s = String.format("getWeeksInWeekYear() = %d, " 118 + "getActualMaximum(WEEK_OF_YEAR) = %d%n", 119 n, cal.getActualMaximum(WEEK_OF_YEAR)); 120 throw new RuntimeException(s); 121 } 122 123 cal.setWeekDate(cal.getWeekYear(), 1, MONDAY); 124 if (cal.getWeeksInWeekYear() != n) { 125 String s = String.format("first day: got %d, expected %d%n", 126 cal.getWeeksInWeekYear(), n); 127 throw new RuntimeException(s); 128 } 129 130 cal.setWeekDate(cal.getWeekYear(), n, SUNDAY); 131 if (cal.getWeeksInWeekYear() != n) { 132 String s = String.format("last day: got %d, expected %d%n", 133 cal.getWeeksInWeekYear(), n); 134 throw new RuntimeException(s); 135 } 136 } 137 138 // Test lenient mode with out of range values. 139 for (int[][] dates : leniencyData) { 140 int[] expected = dates[0]; 141 int[] weekDate = dates[1]; 142 // Convert ISO 8601 day-of-week to Calendar.DAY_OF_WEEK. 143 int dayOfWeek = getCalendarDayOfWeek(weekDate[2]); 144 145 cal.clear(); 146 cal.setWeekDate(weekDate[0], weekDate[1], dayOfWeek); 147 if (cal.get(YEAR) != expected[0] 148 || cal.get(MONTH)+1 != expected[1] 149 || cal.get(DAY_OF_MONTH) != expected[2]) { 150 String s = String.format("got=%4d-%02d-%02d, expected=%4d-%02d-%02d", 151 cal.get(YEAR), cal.get(MONTH)+1, cal.get(DAY_OF_MONTH), 152 expected[0], expected[1], expected[2]); 153 throw new RuntimeException(s); 154 } 155 } 156 157 // Test non-lenient mode 158 cal.setLenient(false); 159 for (int[] date : invalidData) { 160 cal.clear(); 161 try { 162 // Use the raw dayOfWeek value as invalid data 163 cal.setWeekDate(date[0], date[1], date[2]); 164 String s = String.format("didn't throw an IllegalArgumentException with" 165 + " %d, %d, %d",date[0], date[1], date[2]); 166 throw new RuntimeException(s); 167 } catch (IllegalArgumentException e) { 168 // OK 169 } 170 } 171 } 172 newCalendar()173 private static GregorianCalendar newCalendar() { 174 // Use GMT to avoid any surprises related DST transitions. 175 GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT")); 176 if (!cal.isWeekDateSupported()) { 177 throw new RuntimeException("Week dates not supported"); 178 } 179 // Setup the ISO 8601 compatible parameters 180 cal.setFirstDayOfWeek(MONDAY); 181 cal.setMinimalDaysInFirstWeek(4); 182 return cal; 183 } 184 getCalendarDayOfWeek(int isoDayOfWeek)185 private static int getCalendarDayOfWeek(int isoDayOfWeek) { 186 return (isoDayOfWeek == 7) ? SUNDAY : isoDayOfWeek + 1; 187 } 188 } 189