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. 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 /* 25 * This file is available under and governed by the GNU General Public 26 * License version 2 only, as published by the Free Software Foundation. 27 * However, the following notice accompanied the original version of this 28 * file: 29 * 30 * Copyright (c) 2008-2012 Stephen Colebourne & Michael Nascimento Santos 31 * 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions are met: 36 * 37 * * Redistributions of source code must retain the above copyright notice, 38 * this list of conditions and the following disclaimer. 39 * 40 * * Redistributions in binary form must reproduce the above copyright notice, 41 * this list of conditions and the following disclaimer in the documentation 42 * and/or other materials provided with the distribution. 43 * 44 * * Neither the name of JSR-310 nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 49 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 50 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 51 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 52 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 53 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 54 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 55 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 56 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 57 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 */ 60 package tck.java.time; 61 62 import static org.testng.Assert.assertEquals; 63 import static org.testng.Assert.fail; 64 65 import java.time.Clock; 66 import java.time.Instant; 67 import java.time.ZoneId; 68 import java.time.ZoneOffset; 69 70 import org.testng.annotations.Test; 71 72 /** 73 * Test system clock. 74 */ 75 @Test 76 public class TCKClock_System extends AbstractTCKTest { 77 78 private static final ZoneId MOSCOW = ZoneId.of("Europe/Moscow"); 79 private static final ZoneId PARIS = ZoneId.of("Europe/Paris"); 80 81 //----------------------------------------------------------------------- test_instant()82 public void test_instant() { 83 Clock system = Clock.systemUTC(); 84 assertEquals(system.getZone(), ZoneOffset.UTC); 85 for (int i = 0; i < 10000; i++) { 86 // assume can eventually get these within 10 milliseconds 87 Instant instant = system.instant(); 88 long systemMillis = System.currentTimeMillis(); 89 if (systemMillis - instant.toEpochMilli() < 10) { 90 return; // success 91 } 92 } 93 fail(); 94 } 95 test_millis()96 public void test_millis() { 97 Clock system = Clock.systemUTC(); 98 assertEquals(system.getZone(), ZoneOffset.UTC); 99 for (int i = 0; i < 10000; i++) { 100 // assume can eventually get these within 10 milliseconds 101 long instant = system.millis(); 102 long systemMillis = System.currentTimeMillis(); 103 if (systemMillis - instant < 10) { 104 return; // success 105 } 106 } 107 fail(); 108 } 109 110 //------------------------------------------------------------------------- test_systemUTC()111 public void test_systemUTC() { 112 Clock test = Clock.systemUTC(); 113 assertEquals(test.getZone(), ZoneOffset.UTC); 114 assertEquals(test, Clock.system(ZoneOffset.UTC)); 115 } 116 test_systemDefaultZone()117 public void test_systemDefaultZone() { 118 Clock test = Clock.systemDefaultZone(); 119 assertEquals(test.getZone(), ZoneId.systemDefault()); 120 assertEquals(test, Clock.system(ZoneId.systemDefault())); 121 } 122 test_system_ZoneId()123 public void test_system_ZoneId() { 124 Clock test = Clock.system(PARIS); 125 assertEquals(test.getZone(), PARIS); 126 } 127 128 @Test(expectedExceptions = NullPointerException.class) test_zoneId_nullZoneId()129 public void test_zoneId_nullZoneId() { 130 Clock.system(null); 131 } 132 133 //------------------------------------------------------------------------- test_withZone()134 public void test_withZone() { 135 Clock test = Clock.system(PARIS); 136 Clock changed = test.withZone(MOSCOW); 137 assertEquals(test.getZone(), PARIS); 138 assertEquals(changed.getZone(), MOSCOW); 139 } 140 test_withZone_equal()141 public void test_withZone_equal() { 142 Clock test = Clock.system(PARIS); 143 Clock changed = test.withZone(PARIS); 144 assertEquals(changed.getZone(), PARIS); 145 } 146 test_withZone_fromUTC()147 public void test_withZone_fromUTC() { 148 Clock test = Clock.systemUTC(); 149 Clock changed = test.withZone(PARIS); 150 assertEquals(changed.getZone(), PARIS); 151 } 152 153 @Test(expectedExceptions = NullPointerException.class) test_withZone_null()154 public void test_withZone_null() { 155 Clock.systemUTC().withZone(null); 156 } 157 158 //----------------------------------------------------------------------- test_equals()159 public void test_equals() { 160 Clock a = Clock.systemUTC(); 161 Clock b = Clock.systemUTC(); 162 assertEquals(a.equals(a), true); 163 assertEquals(a.equals(b), true); 164 assertEquals(b.equals(a), true); 165 assertEquals(b.equals(b), true); 166 167 Clock c = Clock.system(PARIS); 168 Clock d = Clock.system(PARIS); 169 assertEquals(c.equals(c), true); 170 assertEquals(c.equals(d), true); 171 assertEquals(d.equals(c), true); 172 assertEquals(d.equals(d), true); 173 174 assertEquals(a.equals(c), false); 175 assertEquals(c.equals(a), false); 176 177 assertEquals(a.equals(null), false); 178 assertEquals(a.equals("other type"), false); 179 assertEquals(a.equals(Clock.fixed(Instant.now(), ZoneOffset.UTC)), false); 180 } 181 test_hashCode()182 public void test_hashCode() { 183 Clock a = Clock.system(ZoneOffset.UTC); 184 Clock b = Clock.system(ZoneOffset.UTC); 185 assertEquals(a.hashCode(), a.hashCode()); 186 assertEquals(a.hashCode(), b.hashCode()); 187 188 Clock c = Clock.system(PARIS); 189 assertEquals(a.hashCode() == c.hashCode(), false); 190 } 191 192 } 193