1 /* 2 * Copyright (c) 2010, 2019, 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 static SimpleDateFormat ymdFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.US); 36 static SimpleDateFormat ywdFormat = new SimpleDateFormat("YYYY-'W'ww-u", Locale.US); 37 static { newCalendar()38 ymdFormat.setCalendar(newCalendar()); newCalendar()39 ywdFormat.setCalendar(newCalendar()); 40 } 41 42 // Round-trip Data 43 static final String[][] roundTripData = { 44 { "2005-01-01", "2004-W53-6" }, 45 { "2005-01-02", "2004-W53-7" }, 46 { "2005-12-31", "2005-W52-6" }, 47 { "2007-01-01", "2007-W01-1" }, 48 { "2007-12-30", "2007-W52-7" }, 49 { "2007-12-31", "2008-W01-1" }, 50 { "2008-01-01", "2008-W01-2" }, 51 { "2008-12-29", "2009-W01-1" }, 52 { "2008-12-31", "2009-W01-3" }, 53 { "2009-01-01", "2009-W01-4" }, 54 { "2009-12-31", "2009-W53-4" }, 55 { "2010-01-03", "2009-W53-7" }, 56 { "2009-12-31", "2009-W53-4" }, 57 { "2010-01-01", "2009-W53-5" }, 58 { "2010-01-02", "2009-W53-6" }, 59 { "2010-01-03", "2009-W53-7" }, 60 { "2008-12-28", "2008-W52-7" }, 61 { "2008-12-29", "2009-W01-1" }, 62 { "2008-12-30", "2009-W01-2" }, 63 { "2008-12-31", "2009-W01-3" }, 64 { "2009-01-01", "2009-W01-4" }, 65 { "2009-01-01", "2009-W01-4" }, 66 }; 67 68 // Data for leniency test 69 static final String[][] leniencyData = { 70 { "2008-12-28", "2009-W01-0" }, 71 { "2010-01-04", "2009-W53-8" }, 72 { "2008-12-29", "2008-W53-1" }, 73 }; 74 75 static final String[] invalidData = { 76 "2010-W00-1", 77 "2010-W55-1", 78 "2010-W03-0", 79 "2010-W04-8", 80 "2010-W04-19" 81 }; 82 main(String[] args)83 public static void main(String[] args) throws Exception { 84 formatTest(roundTripData); 85 parseTest(roundTripData); 86 parseTest(leniencyData); 87 nonLenientTest(invalidData); 88 noWeekDateSupport(); 89 } 90 formatTest(String[][] data)91 private static void formatTest(String[][] data) throws Exception { 92 for (String[] dates : data) { 93 String regularDate = dates[0]; 94 String weekDate = dates[1]; 95 Date date = null; 96 date = ymdFormat.parse(regularDate); 97 String s = ywdFormat.format(date); 98 if (!s.equals(weekDate)) { 99 throw new RuntimeException("format: got="+s+", expecetd="+weekDate); 100 } 101 } 102 } 103 parseTest(String[][] data)104 private static void parseTest(String[][] data) throws Exception { 105 for (String[] dates : data) { 106 String regularDate = dates[0]; 107 String weekDate = dates[1]; 108 Date date1 = null, date2 = null; 109 date1 = ymdFormat.parse(regularDate); 110 date2 = ywdFormat.parse(weekDate); 111 if (!date1.equals(date2)) { 112 System.err.println(regularDate + ": date1 = " + date1); 113 System.err.println(weekDate + ": date2 = " + date2); 114 throw new RuntimeException("parse: date1 != date2"); 115 } 116 } 117 } 118 119 120 // Non-lenient mode test nonLenientTest(String[] data)121 private static void nonLenientTest(String[] data) { 122 ywdFormat.setLenient(false); 123 for (String date : data) { 124 try { 125 Date d = ywdFormat.parse(date); 126 throw new RuntimeException("No ParseException thrown with " + date); 127 } catch (ParseException e) { 128 // OK 129 } 130 } 131 ywdFormat.setLenient(true); 132 } 133 134 noWeekDateSupport()135 private static void noWeekDateSupport() throws Exception { 136 // Tests with Japanese Imperial Calendar that doesn't support week dates. 137 Calendar jcal = Calendar.getInstance(TimeZone.getTimeZone("GMT"), 138 new Locale("ja", "JP", "JP")); 139 140 String format = "2-W01-2"; // 2019-12-31 == R1-12-31 141 int expectedYear = 2019; 142 // Check the current era, Heisei or Reiwa 143 if (System.currentTimeMillis() < 1556668800000L) { 144 format = "21-W01-3"; // 2008-12-31 == H20-12-31 145 expectedYear = 2008; 146 } 147 jcal.setFirstDayOfWeek(MONDAY); 148 jcal.setMinimalDaysInFirstWeek(4); 149 SimpleDateFormat sdf = new SimpleDateFormat("Y-'W'ww-u"); 150 sdf.setCalendar(jcal); 151 Date d = sdf.parse(format); 152 GregorianCalendar gcal = newCalendar(); 153 gcal.setTime(d); 154 if (gcal.get(YEAR) != expectedYear 155 || gcal.get(MONTH) != DECEMBER 156 || gcal.get(DAY_OF_MONTH) != 31) { 157 String s = String.format("noWeekDateSupport: got %04d-%02d-%02d, expected %4d-12-31%n", 158 gcal.get(YEAR), 159 gcal.get(MONTH)+1, 160 gcal.get(DAY_OF_MONTH), 161 expectedYear); 162 throw new RuntimeException(s); 163 } 164 } 165 newCalendar()166 private static GregorianCalendar newCalendar() { 167 // Use GMT to avoid any surprises related DST transitions. 168 GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT")); 169 // Setup the ISO 8601 compatible parameters 170 cal.setFirstDayOfWeek(MONDAY); 171 cal.setMinimalDaysInFirstWeek(4); 172 return cal; 173 } 174 } 175