1/*
2 * Copyright (c) 2014, 2017, 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
24import java.text.SimpleDateFormat;
25import java.time.chrono.JapaneseChronology;
26import java.time.chrono.JapaneseDate;
27import java.time.chrono.JapaneseEra;
28import java.time.format.DateTimeFormatter;
29import java.time.format.TextStyle;
30import java.util.Calendar;
31import java.util.Date;
32import java.util.GregorianCalendar;
33import static java.util.GregorianCalendar.*;
34import java.util.Locale;
35import java.util.TimeZone;
36
37/*
38 * Usage:
39 *   java SupplementalJapaneseEraTest <flag>
40 *    <flag>
41 *      -s   prints start time for a test era
42 *      -e   prints the English name of the last predefined era
43 *
44 *   java -Djdk.calendar.japanese.supplemental.era=... SupplementalJapaneseEraTest <flag>
45 *      -t   executes tests with a valid property value
46 *      -b <eraname>
47 *           executes tests with an invalid property value
48 *           <eraname> must be the output with -e
49 */
50
51public class SupplementalJapaneseEraTest {
52    private static final Locale WAREKI_LOCALE = Locale.forLanguageTag("ja-JP-u-ca-japanese");
53    private static final String NEW_ERA_NAME = "NewEra";
54    private static final String NEW_ERA_ABBR = "N.E.";
55    private static int errors = 0;
56
57    public static void main(String[] args) {
58        // args[0] is a flag.
59        switch (args[0]) {
60        case "-s":
61            // print the start time of the new era for testing
62            Calendar cal = new Calendar.Builder()
63                .setCalendarType("japanese")
64                .setTimeZone(TimeZone.getTimeZone("GMT"))
65                .setDate(200, FEBRUARY, 11)
66                .build();
67            System.out.println(cal.getTimeInMillis());
68            break;
69
70        case "-e":
71            // print the current era name in English
72            Calendar jcal = new Calendar.Builder()
73                .setCalendarType("japanese")
74                .setFields(YEAR, 1, DAY_OF_YEAR, 1)
75                .build();
76            System.out.println(jcal.getDisplayName(ERA, LONG, Locale.US));
77            break;
78
79        case "-t":
80            // test with a valid property value
81            testProperty();
82            break;
83
84        case "-b":
85            // test with an invalid property value
86            // args[1] is the current era name given by -e.
87            testValidation(args[1].replace("\r", "")); // remove any CR for Cygwin
88            break;
89        }
90        if (errors != 0) {
91            throw new RuntimeException("test failed");
92        }
93    }
94
95    private static void testProperty() {
96        Calendar jcal = new Calendar.Builder()
97            .setCalendarType("japanese")
98            .setFields(YEAR, 1, DAY_OF_YEAR, 1)
99            .build();
100        Date firstDayOfEra = jcal.getTime();
101
102        jcal.set(ERA, jcal.get(ERA) - 1); // previous era
103        jcal.set(YEAR, 1);
104        jcal.set(DAY_OF_YEAR, 1);
105        Calendar cal = new GregorianCalendar();
106        cal.setTimeInMillis(jcal.getTimeInMillis());
107        cal.add(YEAR, 199);
108        int year = cal.get(YEAR);
109
110        SimpleDateFormat sdf;
111        String expected, got;
112
113        // test long era name
114        sdf = new SimpleDateFormat("GGGG y-MM-dd", WAREKI_LOCALE);
115        got = sdf.format(firstDayOfEra);
116        expected = NEW_ERA_NAME + " 1-02-11";
117        if (!expected.equals(got)) {
118            System.err.printf("GGGG y-MM-dd: got=\"%s\", expected=\"%s\"%n", got, expected);
119            errors++;
120        }
121
122        // test era abbreviation
123        sdf = new SimpleDateFormat("G y-MM-dd", WAREKI_LOCALE);
124        got = sdf.format(firstDayOfEra);
125        expected = NEW_ERA_ABBR+" 1-02-11";
126        if (!expected.equals(got)) {
127            System.err.printf("G y-MM-dd: got=\"%s\", expected=\"%s\"%n", got, expected);
128            errors++;
129        }
130
131        // confirm the gregorian year
132        sdf = new SimpleDateFormat("y", Locale.US);
133        int y = Integer.parseInt(sdf.format(firstDayOfEra));
134        if (y != year) {
135            System.err.printf("Gregorian year: got=%d, expected=%d%n", y, year);
136            errors++;
137        }
138
139        // test java.time.chrono.JapaneseEra
140        JapaneseDate jdate = JapaneseDate.of(year, 2, 11);
141        got = jdate.toString();
142        expected = "Japanese " + NEW_ERA_NAME + " 1-02-11";
143        if (!expected.equals(got)) {
144            System.err.printf("JapaneseDate: got=\"%s\", expected=\"%s\"%n", got, expected);
145            errors++;
146        }
147        JapaneseEra jera = jdate.getEra();
148        got = jera.getDisplayName(TextStyle.FULL, Locale.US);
149        if (!NEW_ERA_NAME.equals(got)) {
150            System.err.printf("JapaneseEra (FULL): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_NAME);
151            errors++;
152        }
153        got = jera.getDisplayName(TextStyle.SHORT, Locale.US);
154        if (!NEW_ERA_NAME.equals(got)) {
155            System.err.printf("JapaneseEra (SHORT): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_NAME);
156            errors++;
157        }
158        got = jera.getDisplayName(TextStyle.NARROW, Locale.US);
159        if (!NEW_ERA_ABBR.equals(got)) {
160            System.err.printf("JapaneseEra (NARROW): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_ABBR);
161            errors++;
162        }
163        got = jera.getDisplayName(TextStyle.NARROW_STANDALONE, Locale.US);
164        if (!NEW_ERA_ABBR.equals(got)) {
165            System.err.printf("JapaneseEra (NARROW_STANDALONE): got=\"%s\", expected=\"%s\"%n", got, NEW_ERA_ABBR);
166            errors++;
167        }
168
169        // test full/short/narrow names with java.time.format
170        got = DateTimeFormatter
171            .ofPattern("GGGG G GGGGG")
172            .withLocale(Locale.US)
173            .withChronology(JapaneseChronology.INSTANCE)
174            .format(jdate);
175        expected = NEW_ERA_NAME + " " + NEW_ERA_NAME + " " + NEW_ERA_ABBR;
176        if (!expected.equals(got)) {
177            System.err.printf("java.time formatter full/short/narrow names: got=\"%s\", expected=\"%s\"%n", got, expected);
178            errors++;
179        }
180    }
181
182    private static void testValidation(String eraName) {
183        Calendar jcal = new Calendar.Builder()
184            .setCalendarType("japanese")
185            .setFields(YEAR, 1, DAY_OF_YEAR, 1)
186            .build();
187        if (!jcal.getDisplayName(ERA, LONG, Locale.US).equals(eraName)) {
188            errors++;
189            String prop = System.getProperty("jdk.calendar.japanese.supplemental.era");
190            System.err.println("Era changed with invalid property: " + prop);
191        }
192    }
193}
194