common/util/src/test/java/org/opendaylight/yangtools/util/EvenMoreObjectsTest.java

   1 /*
   2  * Copyright (c) 2016 Red Hat, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.util;
   9
  10 import com.google.common.base.MoreObjects;
  11 import com.google.common.testing.EqualsTester;
  12 import java.util.Objects;
  13 import org.junit.Test;
  14
  15 public class EvenMoreObjectsTest {
  16
  17     @Test
  18     public void test() {
  19         new EqualsTester()
  20                 .addEqualityGroup(new Thing("hello", 123), new Thing("hello", 123))
  21                 .addEqualityGroup(new Thing("hoi", 123), new Thing("hoi", 123))
  22                 .addEqualityGroup(new Thing("hoi", null))
  23                 .addEqualityGroup(new Thing(null, null))
  24                 .testEquals();
  25     }
  26
  27     static class Thing {
  28
  29         String name;
  30         Integer age;
  31
  32         @Override
  33         public boolean equals(Object obj) {
  34             return EvenMoreObjects.equalsHelper(this, obj,
  35                 (one, another) -> Objects.equals(one.name, another.name) && Objects.equals(one.age, another.age));
  36         }
  37
  38         @Override
  39         public int hashCode() {
  40             return Objects.hash(name, age);
  41         }
  42
  43         @Override
  44         public String toString() {
  45             return MoreObjects.toStringHelper(this).add("name", name).add("age", age).toString();
  46         }
  47
  48         Thing(String name, Integer age) {
  49             super();
  50             this.name = name;
  51             this.age = age;
  52         }
  53
  54     }
  55
  56 }