1 /*
2 * Copyright (c) 2012, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
28 *
29 * All rights reserved.
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions are met:
33 *
34 * * Redistributions of source code must retain the above copyright notice,
35 * this list of conditions and the following disclaimer.
36 *
37 * * Redistributions in binary form must reproduce the above copyright notice,
38 * this list of conditions and the following disclaimer in the documentation
39 * and/or other materials provided with the distribution.
40 *
41 * * Neither the name of JSR-310 nor the names of its contributors
42 * may be used to endorse or promote products derived from this software
43 * without specific prior written permission.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
46 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
47 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
49 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
50 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
52 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
53 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
54 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
55 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 */
57 package test.java.time.chrono;
58
59 import static java.time.temporal.ChronoField.DAY_OF_MONTH;
60 import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
61 import static java.time.temporal.ChronoField.YEAR;
62 import static java.time.temporal.ChronoField.YEAR_OF_ERA;
63 import static org.testng.Assert.assertEquals;
64
65 import java.time.DayOfWeek;
66 import java.time.LocalDate;
67 import java.time.chrono.IsoChronology;
68 import java.time.temporal.ChronoUnit;
69 import java.time.temporal.WeekFields;
70 import java.util.Calendar;
71 import java.util.GregorianCalendar;
72 import java.util.TimeZone;
73
74 import org.testng.annotations.DataProvider;
75 import org.testng.annotations.Test;
76
77 /**
78 * Test.
79 */
80 @Test
81 public class TestIsoChronoImpl {
82
83 @DataProvider(name = "RangeVersusCalendar")
84 Object[][] provider_rangeVersusCalendar() {
85 return new Object[][]{
86 {LocalDate.of(1583, 1, 1), LocalDate.of(2100, 1, 1)},
87 };
88 }
89
90 //-----------------------------------------------------------------------
91 // Verify ISO Calendar matches java.util.Calendar for range
92 //-----------------------------------------------------------------------
93 @Test(dataProvider = "RangeVersusCalendar")
94 public void test_IsoChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
95 GregorianCalendar cal = new GregorianCalendar();
96 assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
97 LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);
98
99 cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
100 cal.set(Calendar.YEAR, isoDate.get(YEAR));
101 cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
102 cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));
103
104 while (isoDate.isBefore(isoEndDate)) {
105 assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + "; cal: " + cal);
106 assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
107 assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);
108
109 isoDate = isoDate.plus(1, ChronoUnit.DAYS);
110 cal.add(Calendar.DAY_OF_MONTH, 1);
111 }
112 }
113
114 //-----------------------------------------------------------------------
115 // Verify ISO Calendar matches java.util.Calendar
116 // DayOfWeek, WeekOfMonth, WeekOfYear for range
117 //-----------------------------------------------------------------------
118 @Test(dataProvider = "RangeVersusCalendar")
119 public void test_DayOfWeek_IsoChronology_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
120 GregorianCalendar cal = new GregorianCalendar();
121 assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
122 LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);
123
124 for (DayOfWeek firstDayOfWeek : DayOfWeek.values()) {
125 for (int minDays = 1; minDays <= 7; minDays++) {
126 WeekFields weekDef = WeekFields.of(firstDayOfWeek, minDays);
127 cal.setFirstDayOfWeek(Math.floorMod(firstDayOfWeek.getValue(), 7) + 1);
128 cal.setMinimalDaysInFirstWeek(minDays);
129
130 cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
131 cal.set(Calendar.YEAR, isoDate.get(YEAR));
132 cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
133 cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));
134
135 // For every date in the range
136 while (isoDate.isBefore(isoEndDate)) {
137 assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + "; cal: " + cal);
138 assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
139 assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);
140
141 int jdow = Math.floorMod(cal.get(Calendar.DAY_OF_WEEK) - 2, 7) + 1;
142 int dow = isoDate.get(weekDef.dayOfWeek());
143 assertEquals(jdow, dow, "Calendar DayOfWeek does not match ISO DayOfWeek");
144
145 int jweekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
146 int isoWeekOfMonth = isoDate.get(weekDef.weekOfMonth());
147 assertEquals(jweekOfMonth, isoWeekOfMonth, "Calendar WeekOfMonth does not match ISO WeekOfMonth");
148
149 int jweekOfYear = cal.get(Calendar.WEEK_OF_YEAR);
150 int weekOfYear = isoDate.get(weekDef.weekOfWeekBasedYear());
151 assertEquals(jweekOfYear, weekOfYear, "GregorianCalendar WeekOfYear does not match WeekOfWeekBasedYear");
152
153 int jWeekYear = cal.getWeekYear();
154 int weekBasedYear = isoDate.get(weekDef.weekBasedYear());
155 assertEquals(jWeekYear, weekBasedYear, "GregorianCalendar getWeekYear does not match YearOfWeekBasedYear");
156
157 int jweeksInWeekyear = cal.getWeeksInWeekYear();
158 int weeksInWeekBasedYear = (int)isoDate.range(weekDef.weekOfWeekBasedYear()).getMaximum();
159 assertEquals(jweeksInWeekyear, weeksInWeekBasedYear, "length of weekBasedYear");
160
161 isoDate = isoDate.plus(1, ChronoUnit.DAYS);
162 cal.add(Calendar.DAY_OF_MONTH, 1);
163 }
164 }
165 }
166 }
167
168 /**
169 * Return the ISO Day of Week from a java.util.Calendr DAY_OF_WEEK.
170 * @param the java.util.Calendar day of week (1=Sunday, 7=Saturday)
171 * @return the ISO DayOfWeek
172 */
173 private DayOfWeek toISOfromCalendarDOW(int i) {
174 return DayOfWeek.of(Math.floorMod(i - 2, 7) + 1);
175 }
176 }