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.LocalDateTime; 64 import java.time.chrono.ChronoLocalDate; 65 import java.time.chrono.ChronoLocalDateTime; 66 import java.time.chrono.Chronology; 67 import java.time.chrono.ThaiBuddhistChronology; 68 import java.time.chrono.ThaiBuddhistDate; 69 import java.time.temporal.ChronoUnit; 70 import java.util.ArrayList; 71 import java.util.Collections; 72 import java.util.List; 73 74 import org.testng.annotations.Test; 75 76 /** 77 * Test chrono local date. 78 */ 79 @Test 80 public class TestChronoLocalDate { 81 // this class primarily tests whether the generics work OK 82 83 //----------------------------------------------------------------------- 84 public void test_date_comparator_checkGenerics_ISO() { 85 List<ChronoLocalDate> dates = new ArrayList<>(); 86 ChronoLocalDate date = LocalDate.of(2013, 1, 1); 87 88 // Insert dates in order, no duplicates 89 dates.add(date.minus(10, ChronoUnit.YEARS)); 90 dates.add(date.minus(1, ChronoUnit.YEARS)); 91 dates.add(date.minus(1, ChronoUnit.MONTHS)); 92 dates.add(date.minus(1, ChronoUnit.WEEKS)); 93 dates.add(date.minus(1, ChronoUnit.DAYS)); 94 dates.add(date); 95 dates.add(date.plus(1, ChronoUnit.DAYS)); 96 dates.add(date.plus(1, ChronoUnit.WEEKS)); 97 dates.add(date.plus(1, ChronoUnit.MONTHS)); 98 dates.add(date.plus(1, ChronoUnit.YEARS)); 99 dates.add(date.plus(10, ChronoUnit.YEARS)); 100 101 List<ChronoLocalDate> copy = new ArrayList<>(dates); 102 Collections.shuffle(copy); 103 Collections.sort(copy, ChronoLocalDate.timeLineOrder()); 104 assertEquals(copy, dates); 105 assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0); 106 } 107 108 public void test_date_comparator_checkGenerics_LocalDate() { 109 List<LocalDate> dates = new ArrayList<>(); 110 LocalDate date = LocalDate.of(2013, 1, 1); 111 112 // Insert dates in order, no duplicates 113 dates.add(date.minus(10, ChronoUnit.YEARS)); 114 dates.add(date.minus(1, ChronoUnit.YEARS)); 115 dates.add(date.minus(1, ChronoUnit.MONTHS)); 116 dates.add(date.minus(1, ChronoUnit.WEEKS)); 117 dates.add(date.minus(1, ChronoUnit.DAYS)); 118 dates.add(date); 119 dates.add(date.plus(1, ChronoUnit.DAYS)); 120 dates.add(date.plus(1, ChronoUnit.WEEKS)); 121 dates.add(date.plus(1, ChronoUnit.MONTHS)); 122 dates.add(date.plus(1, ChronoUnit.YEARS)); 123 dates.add(date.plus(10, ChronoUnit.YEARS)); 124 125 List<LocalDate> copy = new ArrayList<>(dates); 126 Collections.shuffle(copy); 127 Collections.sort(copy, ChronoLocalDate.timeLineOrder()); 128 assertEquals(copy, dates); 129 assertTrue(ChronoLocalDate.timeLineOrder().compare(copy.get(0), copy.get(1)) < 0); 130 } 131 132 //----------------------------------------------------------------------- 133 public void test_date_checkGenerics_genericsMethod() { 134 Chronology chrono = ThaiBuddhistChronology.INSTANCE; 135 ChronoLocalDate date = chrono.dateNow(); 136 date = processOK(date); 137 date = processClassOK(ThaiBuddhistDate.class); 138 date = dateSupplier(); 139 140 date = processClassWeird(ThaiBuddhistDate.class); 141 } 142 143 public void test_date_checkGenerics_genericsMethod_concreteType() { 144 ThaiBuddhistChronology chrono = ThaiBuddhistChronology.INSTANCE; 145 ThaiBuddhistDate date = chrono.dateNow(); 146 date = ThaiBuddhistDate.now(); 147 date = processOK(date); 148 date = processClassOK(ThaiBuddhistDate.class); 149 date = dateSupplier(); 150 151 // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct) 152 } 153 154 public <D extends ChronoLocalDate> void test_date_checkGenerics_genericsMethod_withType() { 155 Chronology chrono = ThaiBuddhistChronology.INSTANCE; 156 @SuppressWarnings("unchecked") 157 D date = (D) chrono.dateNow(); 158 date = processOK(date); 159 // date = processClassOK(ThaiBuddhistDate.class); // does not compile (correct) 160 date = dateSupplier(); 161 162 // date = processWeird(date); // does not compile (correct) 163 // date = processClassWeird(ThaiBuddhistDate.class); // does not compile (correct) 164 } 165 166 @SuppressWarnings("unchecked") 167 private <D extends ChronoLocalDate> D dateSupplier() { 168 return (D) ThaiBuddhistChronology.INSTANCE.dateNow(); 169 } 170 171 // decent generics signatures that need to work 172 @SuppressWarnings("unchecked") 173 private <D extends ChronoLocalDate> D processOK(D date) { 174 return (D) date.plus(1, ChronoUnit.DAYS); 175 } 176 private <D extends ChronoLocalDate> D processClassOK(Class<D> cls) { 177 return null; 178 } 179 180 // weird generics signatures that shouldn't really work 181 private <D extends ChronoLocalDate> ChronoLocalDate processClassWeird(Class<D> cls) { 182 return null; 183 } 184 185 public void test_date_checkGenerics_chronoLocalDateTime1() { 186 LocalDateTime now = LocalDateTime.now(); 187 Chronology chrono = ThaiBuddhistChronology.INSTANCE; 188 ChronoLocalDateTime<?> ldt = chrono.localDateTime(now); 189 ldt = processCLDT(ldt); 190 } 191 192 public void test_date_checkGenerics_chronoLocalDateTime2() { 193 LocalDateTime now = LocalDateTime.now(); 194 Chronology chrono = ThaiBuddhistChronology.INSTANCE; 195 ChronoLocalDateTime<? extends ChronoLocalDate> ldt = chrono.localDateTime(now); 196 ldt = processCLDT(ldt); 197 } 198 199 private <D extends ChronoLocalDate> ChronoLocalDateTime<D> processCLDT(ChronoLocalDateTime<D> dt) { 200 return dt; 201 } 202 } 203
