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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 org.testng.Assert.assertEquals;
60 
61 import java.time.LocalDate;
62 import java.time.LocalTime;
63 import java.time.OffsetDateTime;
64 import java.time.ZoneOffset;
65 import java.time.chrono.JapaneseChronology;
66 import java.time.chrono.JapaneseEra;
67 import java.time.chrono.JapaneseDate;
68 import java.time.temporal.ChronoField;
69 import java.time.temporal.ChronoUnit;
70 import java.util.Calendar;
71 import java.util.Locale;
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 TestJapaneseChronoImpl {
82 
83     /**
84      * Range of years to check consistency with java.util.Calendar
85      */
86     @DataProvider(name="RangeVersusCalendar")
provider_rangeVersusCalendar()87     Object[][] provider_rangeVersusCalendar() {
88         return new Object[][] {
89             {LocalDate.of(1873, 1, 1), LocalDate.of(2100, 1, 1)},
90         };
91     }
92 
93     //-----------------------------------------------------------------------
94     // Verify  Japanese Calendar matches java.util.Calendar for range
95     //-----------------------------------------------------------------------
96     @Test(dataProvider="RangeVersusCalendar")
test_JapaneseChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate)97     public void test_JapaneseChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
98         Locale locale = Locale.forLanguageTag("ja-JP-u-ca-japanese");
99         assertEquals(locale.toString(), "ja_JP_#u-ca-japanese", "Unexpected locale");
100 
101         // Android-changed: Android doesn't return the Japanese Imperial Calendar from getInstance.
102         Calendar cal = Calendar.getJapaneseImperialInstance(TimeZone.getDefault(), locale);
103         assertEquals(cal.getCalendarType(), "japanese", "Unexpected calendar type");
104 
105         JapaneseDate jDate = JapaneseChronology.INSTANCE.date(isoStartDate);
106 
107         // Convert to millis and set Japanese Calendar to that start date (at GMT)
108         OffsetDateTime jodt = OffsetDateTime.of(isoStartDate, LocalTime.MIN, ZoneOffset.UTC);
109         long millis = jodt.toInstant().toEpochMilli();
110         cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
111         cal.setTimeInMillis(millis);
112 
113         while (jDate.isBefore(isoEndDate)) {
114             assertEquals(jDate.get(ChronoField.DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + jDate + ";  cal: " + cal);
115             assertEquals(jDate.get(ChronoField.MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + jDate);
116             assertEquals(jDate.get(ChronoField.YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + jDate);
117 
118             jDate = jDate.plus(1, ChronoUnit.DAYS);
119             cal.add(Calendar.DAY_OF_MONTH, 1);
120         }
121     }
122 
123     //-----------------------------------------------------------------------
124     // Verify  Japanese Calendar matches java.util.Calendar for number of days
125     // in years 1 and 2.
126     //-----------------------------------------------------------------------
127     @Test
test_dayOfYearVsCalendar()128     public void test_dayOfYearVsCalendar() {
129         Locale locale = Locale.forLanguageTag("ja-JP-u-ca-japanese");
130         Calendar cal = java.util.Calendar.getInstance(locale);
131 
132         for (JapaneseEra era : JapaneseEra.values()) {
133             for (int year : new int[] {6, 7}) {
134                 JapaneseDate jd = JapaneseChronology.INSTANCE.dateYearDay(era, year, 1);
135                 OffsetDateTime jodt = OffsetDateTime.of(LocalDate.from(jd), LocalTime.MIN, ZoneOffset.UTC);
136                 long millis = jodt.toInstant().toEpochMilli();
137                 cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
138                 cal.setTimeInMillis(millis);
139 
140                 assertEquals(jd.get(ChronoField.DAY_OF_YEAR), cal.get(Calendar.DAY_OF_YEAR),
141                         "different DAY_OF_YEAR values in " + era + ", year: " + year);
142                 assertEquals(jd.range(ChronoField.DAY_OF_YEAR).getMaximum(), cal.getActualMaximum(Calendar.DAY_OF_YEAR),
143                         "different maximum for DAY_OF_YEAR in " + era + ", year: " + year);
144                 assertEquals(jd.range(ChronoField.DAY_OF_YEAR).getMinimum(), cal.getActualMinimum(Calendar.DAY_OF_YEAR),
145                         "different minimum for DAY_OF_YEAR in " + era + ",  year: " + year);
146             }
147         }
148 
149     }
150 
151 }
152