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 import static org.testng.Assert.assertTrue;
61
62 import java.time.LocalDate;
63 import java.time.chrono.ChronoLocalDate;
64 import java.time.chrono.Chronology;
65 import java.time.chrono.ThaiBuddhistChronology;
66 import java.time.chrono.ThaiBuddhistDate;
67 import java.time.temporal.ChronoUnit;
68 import java.util.ArrayList;
69 import java.util.Collections;
70 import java.util.List;
71
72 import org.testng.annotations.Test;
73
74 /**
75 * Test chrono local date.
76 */
77 @Test
78 public class TestChronoLocalDate {
79 // this class primarily tests whether the generics work OK
80
81 //-----------------------------------------------------------------------
82 public void test_date_comparator_checkGenerics_ISO() {
83 List<ChronoLocalDate<LocalDate>> dates = new ArrayList<>();
84 ChronoLocalDate<LocalDate> date = LocalDate.of(2013, 1, 1);
85
86 // Insert dates in order, no duplicates
87 dates.add(date.minus(10, ChronoUnit.YEARS));
88 dates.add(date.minus(1, ChronoUnit.YEARS));
89 dates.add(date.minus(1, ChronoUnit.MONTHS));
90 dates.add(date.minus(1, ChronoUnit.WEEKS));
91 dates.add(date.minus(1, ChronoUnit.DAYS));
92 dates.add(date);
93 dates.add(date.plus(1, ChronoUnit.DAYS));
94 dates.add(date.plus(1, ChronoUnit.WEEKS));
95 dates.add(date.plus(1, ChronoUnit.MONTHS));
96 dates.add(date.plus(1, ChronoUnit.YEARS));
97 dates.add(date.plus(10, ChronoUnit.YEARS));
98
99 List<ChronoLocalDate<LocalDate>> copy = new ArrayList<>(dates);
100 Collections.shuffle(copy);
101 Collections.sort(copy, ChronoLocalDate.timeLineOrder());
102 assertEquals(copy, dates);
103 assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
104 }
105
106 public void test_date_comparator_checkGenerics_unknown() {
107 List<ChronoLocalDate<?>> dates = new ArrayList<>();
108 ChronoLocalDate<?> date = LocalDate.of(2013, 1, 1);
109
110 // Insert dates in order, no duplicates
111 dates.add(date.minus(10, ChronoUnit.YEARS));
112 dates.add(date.minus(1, ChronoUnit.YEARS));
113 dates.add(date.minus(1, ChronoUnit.MONTHS));
114 dates.add(date.minus(1, ChronoUnit.WEEKS));
115 dates.add(date.minus(1, ChronoUnit.DAYS));
116 dates.add(date);
117 dates.add(date.plus(1, ChronoUnit.DAYS));
118 dates.add(date.plus(1, ChronoUnit.WEEKS));
119 dates.add(date.plus(1, ChronoUnit.MONTHS));
120 dates.add(date.plus(1, ChronoUnit.YEARS));
121 dates.add(date.plus(10, ChronoUnit.YEARS));
122
123 List<ChronoLocalDate<?>> copy = new ArrayList<>(dates);
124 Collections.shuffle(copy);
125 Collections.sort(copy, ChronoLocalDate.timeLineOrder());
126 assertEquals(copy, dates);
127 assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
128 }
129
130 public <D extends ChronoLocalDate<D>> void test_date_comparator_checkGenerics_unknownExtends() {
131 List<ChronoLocalDate<D>> dates = new ArrayList<>();
132 ChronoLocalDate<D> date = (ChronoLocalDate) LocalDate.of(2013, 1, 1); // TODO generics raw type
133
134 // Insert dates in order, no duplicates
135 dates.add(date.minus(10, ChronoUnit.YEARS));
136 dates.add(date.minus(1, ChronoUnit.YEARS));
137 dates.add(date.minus(1, ChronoUnit.MONTHS));
138 dates.add(date.minus(1, ChronoUnit.WEEKS));
139 dates.add(date.minus(1, ChronoUnit.DAYS));
140 dates.add(date);
141 dates.add(date.plus(1, ChronoUnit.DAYS));
142 dates.add(date.plus(1, ChronoUnit.WEEKS));
143 dates.add(date.plus(1, ChronoUnit.MONTHS));
144 dates.add(date.plus(1, ChronoUnit.YEARS));
145 dates.add(date.plus(10, ChronoUnit.YEARS));
146
147 List<ChronoLocalDate<D>> copy = new ArrayList<>(dates);
148 Collections.shuffle(copy);
149 Collections.sort(copy, ChronoLocalDate.timeLineOrder());
150 assertEquals(copy, dates);
151 assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
152 }
153
154 public void test_date_comparator_checkGenerics_LocalDate() {
155 List<LocalDate> dates = new ArrayList<>();
156 LocalDate date = LocalDate.of(2013, 1, 1);
157
158 // Insert dates in order, no duplicates
159 dates.add(date.minus(10, ChronoUnit.YEARS));
160 dates.add(date.minus(1, ChronoUnit.YEARS));
161 dates.add(date.minus(1, ChronoUnit.MONTHS));
162 dates.add(date.minus(1, ChronoUnit.WEEKS));
163 dates.add(date.minus(1, ChronoUnit.DAYS));
164 dates.add(date);
165 dates.add(date.plus(1, ChronoUnit.DAYS));
166 dates.add(date.plus(1, ChronoUnit.WEEKS));
167 dates.add(date.plus(1, ChronoUnit.MONTHS));
168 dates.add(date.plus(1, ChronoUnit.YEARS));
169 dates.add(date.plus(10, ChronoUnit.YEARS));
170
171 List<LocalDate> copy = new ArrayList<>(dates);
172 Collections.shuffle(copy);
173 Collections.sort(copy, ChronoLocalDate.timeLineOrder());
174 assertEquals(copy, dates);
175 assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0);
176 }
177
178 //-----------------------------------------------------------------------
179 public void test_date_checkGenerics_genericsMethod() {
180 Chronology chrono = ThaiBuddhistChronology.INSTANCE;
181 ChronoLocalDate<?> date = chrono.dateNow();
182 // date = processOK(date); // does not compile
183 date = processClassOK(ThaiBuddhistDate.class);
184 date = dateSupplier();
185
186 // date = processWeird(date); // does not compile (correct)
187 // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct)
188 }
189
190 public void test_date_checkGenerics_genericsMethod_concreteType() {
191 ThaiBuddhistChronology chrono = ThaiBuddhistChronology.INSTANCE;
192 ThaiBuddhistDate date = chrono.dateNow();
193 date = ThaiBuddhistDate.now();
194 date = processOK(date);
195 date = processClassOK(ThaiBuddhistDate.class);
196 date = dateSupplier();
197
198 // date = processWeird(date); // does not compile (correct)
199 // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct)
200 }
201
202 public <D extends ChronoLocalDate<D>> void test_date_checkGenerics_genericsMethod_withType() {
203 Chronology chrono = ThaiBuddhistChronology.INSTANCE;
204 D date = (D) chrono.dateNow();
205 date = processOK(date);
206 // date = processClassOK(ThaiBuddhistDate.class); // does not compile (correct)
207 date = dateSupplier();
208
209 // date = processWeird(date); // does not compile (correct)
210 // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct)
211 }
212
213 private <D extends ChronoLocalDate<D>> D dateSupplier() {
214 return (D) (ChronoLocalDate) ThaiBuddhistChronology.INSTANCE.dateNow(); // TODO raw types
215 }
216
217 // decent generics signatures that need to work
218 private <D extends ChronoLocalDate<D>> D processOK(D date) {
219 return date;
220 }
221 private <D extends ChronoLocalDate<D>> D processClassOK(Class<D> cls) {
222 return null;
223 }
224
225 // weird generics signatures that shouldn't really work
226 private <D extends ChronoLocalDate<D>> ChronoLocalDate<D> processWeird(ChronoLocalDate<D> date) {
227 return date;
228 }
229 private <D extends ChronoLocalDate<D>> ChronoLocalDate<D> processClassWeird(Class<D> cls) {
230 return null;
231 }
232
233 }