/*
* The MIT License
*
* Copyright (c) 2011, Oracle Corporation, Anton Kozak
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.assertFalse;
/**
* Test for {@link DeepEquals#deepEquals(Object, Object)}
*/
public class DeepEqualsTest {
private static class Person {
private String name;
private Pet pet;
private Person(String name, Pet pet) {
this.name = name;
this.pet = pet;
}
}
private static class Pet {
private String name;
private Pet(String name) {
this.name = name;
}
}
/**
* Tests simple deepEquals functionality.
*/
@Test
public void testDeepEqualsSimple() {
Pet pet1 = new Pet("petName");
Pet pet2 = new Pet("petName");
Pet pet3 = new Pet("petName1");
Person person1 = new Person("name", pet1);
Person person2 = new Person("name", pet2);
Person person3 = new Person("name", pet3);
Person person4 = new Person("name1", pet1);
assertTrue(DeepEquals.deepEquals(null, null));
assertFalse(DeepEquals.deepEquals(pet1, null));
assertFalse(DeepEquals.deepEquals(null, pet1));
assertTrue(DeepEquals.deepEquals(pet1, pet1));
assertTrue(DeepEquals.deepEquals(pet1, pet2));
assertFalse(DeepEquals.deepEquals(pet1, pet3));
assertTrue(DeepEquals.deepEquals(person1, person1));
assertTrue(DeepEquals.deepEquals(person1, person2));
assertFalse(DeepEquals.deepEquals(person1, person3));
assertFalse(DeepEquals.deepEquals(person1, person4));
}
private static class Node {
private Object value;
private Node next;
private Node(Object value) {
this(value, null);
}
private Node(Object value, Node next) {
this.value = value;
this.next = next;
}
public void setNext(Node next) {
this.next = next;
}
}
/**
* Tests deepEquals for deeply nested objects.
*/
@Test
public void testDeepEquals() {
Node n0 = new Node(1, new Node(2));
Node n1 = new Node(1, new Node(2, new Node(3)));
Node n2 = new Node(1, new Node(2, new Node(3)));
Node n3 = new Node(1, new Node(2, new Node(4)));
Node n4 = new Node(1, new Node(2, new Node(4)));
Node n5 = new Node(1, new Node(2, new Node(4, new Node(5))));
assertTrue(DeepEquals.deepEquals(n1, n1));
assertTrue(DeepEquals.deepEquals(n1, n2));
assertTrue(DeepEquals.deepEquals(n3, n4));
assertFalse(DeepEquals.deepEquals(n0, n1));
assertFalse(DeepEquals.deepEquals(n0, n3));
assertFalse(DeepEquals.deepEquals(n2, n4));
assertFalse(DeepEquals.deepEquals(n4, n5));
}
/**
* Tests whether recursive objects process correctly.
*/
@Test
public void testDeepEqualsRecursively() {
Node n0 = new Node(1);
Node n1 = new Node(1, n0);
n0.setNext(n1);
assertTrue(DeepEquals.deepEquals(n0, n1));
}
/**
* Tests deepEquals for lists.
*/
@Test
public void testDeepEqualsLists() {
List<Node> list1 = Arrays.asList(new Node(1, new Node(3)), new Node(2, new Node(4)));
List<Node> list2 = Arrays.asList(new Node(1, new Node(3)), new Node(2, new Node(4)));
List<Node> list3 = Arrays.asList(new Node(1, new Node(3)), new Node(2, new Node(3)));
assertTrue(DeepEquals.deepEquals(list1, list2));
assertFalse(DeepEquals.deepEquals(list1, list3));
}
}