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) 2007-2012, 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 test.java.time;
  61 
  62 import static org.testng.Assert.assertEquals;
  63 import static org.testng.Assert.assertSame;
  64 import static org.testng.Assert.assertTrue;
  65 
  66 import java.io.ByteArrayInputStream;
  67 import java.io.ByteArrayOutputStream;
  68 import java.io.IOException;
  69 import java.io.ObjectInputStream;
  70 import java.io.ObjectOutputStream;
  71 import java.io.Serializable;
  72 
  73 import java.time.Duration;
  74 
  75 import org.testng.annotations.Test;
  76 
  77 /**
  78  * Test Duration.
  79  */
  80 @Test
  81 public class TestDuration extends AbstractTest {
  82 
  83     //-----------------------------------------------------------------------
  84     @Test
  85     public void test_immutable() {
  86         assertImmutable(Duration.class);
  87     }
  88 
  89     //-----------------------------------------------------------------------
  90     @Test(groups={"implementation"})
  91     public void test_interfaces() {
  92         assertTrue(Serializable.class.isAssignableFrom(Duration.class));
  93         assertTrue(Comparable.class.isAssignableFrom(Duration.class));
  94     }
  95 
  96     //-----------------------------------------------------------------------
  97     // serialization
  98     //-----------------------------------------------------------------------
  99     @Test(groups={"implementation"})
 100     public void test_deserializationSingleton() throws Exception {
 101         Duration orginal = Duration.ZERO;
 102         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 103         ObjectOutputStream out = new ObjectOutputStream(baos);
 104         out.writeObject(orginal);
 105         out.close();
 106         ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
 107         ObjectInputStream in = new ObjectInputStream(bais);
 108         Duration ser = (Duration) in.readObject();
 109         assertSame(ser, Duration.ZERO);
 110     }
 111 
 112     @Test(groups={"implementation"})
 113     public void plus_zeroReturnsThis() {
 114         Duration t = Duration.ofSeconds(-1);
 115         assertSame(t.plus(Duration.ZERO), t);
 116     }
 117 
 118     @Test(groups={"implementation"})
 119     public void plus_zeroSingleton() {
 120         Duration t = Duration.ofSeconds(-1);
 121         assertSame(t.plus(Duration.ofSeconds(1)), Duration.ZERO);
 122     }
 123 
 124     @Test(groups={"implementation"})
 125     public void plusSeconds_zeroReturnsThis() {
 126         Duration t = Duration.ofSeconds(-1);
 127         assertSame(t.plusSeconds(0), t);
 128     }
 129 
 130     @Test(groups={"implementation"})
 131     public void plusSeconds_zeroSingleton() {
 132         Duration t = Duration.ofSeconds(-1);
 133         assertSame(t.plusSeconds(1), Duration.ZERO);
 134     }
 135 
 136     @Test(groups={"implementation"})
 137     public void plusMillis_zeroReturnsThis() {
 138         Duration t = Duration.ofSeconds(-1, 2000000);
 139         assertSame(t.plusMillis(0), t);
 140     }
 141 
 142     @Test(groups={"implementation"})
 143     public void plusMillis_zeroSingleton() {
 144         Duration t = Duration.ofSeconds(-1, 2000000);
 145         assertSame(t.plusMillis(998), Duration.ZERO);
 146     }
 147 
 148     @Test(groups={"implementation"})
 149     public void plusNanos_zeroReturnsThis() {
 150         Duration t = Duration.ofSeconds(-1, 2000000);
 151         assertSame(t.plusNanos(0), t);
 152     }
 153 
 154     @Test(groups={"implementation"})
 155     public void plusNanos_zeroSingleton() {
 156         Duration t = Duration.ofSeconds(-1, 2000000);
 157         assertSame(t.plusNanos(998000000), Duration.ZERO);
 158     }
 159 
 160     @Test(groups={"implementation"})
 161     public void minus_zeroReturnsThis() {
 162         Duration t = Duration.ofSeconds(1);
 163         assertSame(t.minus(Duration.ZERO), t);
 164     }
 165 
 166     @Test(groups={"implementation"})
 167     public void minus_zeroSingleton() {
 168         Duration t = Duration.ofSeconds(1);
 169         assertSame(t.minus(Duration.ofSeconds(1)), Duration.ZERO);
 170     }
 171 
 172     @Test(groups={"implementation"})
 173     public void minusSeconds_zeroReturnsThis() {
 174         Duration t = Duration.ofSeconds(1);
 175         assertSame(t.minusSeconds(0), t);
 176     }
 177 
 178     @Test(groups={"implementation"})
 179     public void minusSeconds_zeroSingleton() {
 180         Duration t = Duration.ofSeconds(1);
 181         assertSame(t.minusSeconds(1), Duration.ZERO);
 182     }
 183 
 184     @Test(groups={"implementation"})
 185     public void minusMillis_zeroReturnsThis() {
 186         Duration t = Duration.ofSeconds(1, 2000000);
 187         assertSame(t.minusMillis(0), t);
 188     }
 189 
 190     @Test(groups={"implementation"})
 191     public void minusMillis_zeroSingleton() {
 192         Duration t = Duration.ofSeconds(1, 2000000);
 193         assertSame(t.minusMillis(1002), Duration.ZERO);
 194     }
 195 
 196     @Test(groups={"implementation"})
 197     public void minusNanos_zeroReturnsThis() {
 198         Duration t = Duration.ofSeconds(1, 2000000);
 199         assertSame(t.minusNanos(0), t);
 200     }
 201 
 202     @Test(groups={"implementation"})
 203     public void minusNanos_zeroSingleton() {
 204         Duration t = Duration.ofSeconds(1, 2000000);
 205         assertSame(t.minusNanos(1002000000), Duration.ZERO);
 206     }
 207 
 208     @Test(groups={"implementation"})
 209     public void test_abs_same() {
 210         Duration base = Duration.ofSeconds(12);
 211         assertSame(base.abs(), base);
 212     }
 213 
 214     void doTest_comparisons_Duration(Duration... durations) {
 215         for (int i = 0; i < durations.length; i++) {
 216             Duration a = durations[i];
 217             for (int j = 0; j < durations.length; j++) {
 218                 Duration b = durations[j];
 219                 if (i < j) {
 220                     assertEquals(a.compareTo(b)< 0, true, a + " <=> " + b);
 221                     assertEquals(a.equals(b), false, a + " <=> " + b);
 222                 } else if (i > j) {
 223                     assertEquals(a.compareTo(b) > 0, true, a + " <=> " + b);
 224                     assertEquals(a.equals(b), false, a + " <=> " + b);
 225                 } else {
 226                     assertEquals(a.compareTo(b), 0, a + " <=> " + b);
 227                     assertEquals(a.equals(b), true, a + " <=> " + b);
 228                 }
 229             }
 230         }
 231     }
 232 
 233 }