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