/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.citrus.util.internal.apache.lang;
import java.util.Arrays;
import junit.framework.TestCase;
/**
* Unit tests {@link org.apache.commons.lang.builder.EqualsBuilder}.
*
* @author <a href="mailto:sdowney@panix.com">Steve Downey</a>
* @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a>
* @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
* @author Maarten Coene
*/
public class EqualsBuilderTests extends TestCase {
static class TestObject {
private int a;
public TestObject() {
}
public TestObject(int a) {
this.a = a;
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (!(o instanceof TestObject)) {
return false;
}
TestObject rhs = (TestObject) o;
return a == rhs.a;
}
public void setA(int a) {
this.a = a;
}
public int getA() {
return a;
}
}
static class TestSubObject extends TestObject {
private int b;
public TestSubObject() {
super(0);
}
public TestSubObject(int a, int b) {
super(a);
this.b = b;
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (!(o instanceof TestSubObject)) {
return false;
}
TestSubObject rhs = (TestSubObject) o;
return super.equals(o) && b == rhs.b;
}
public void setB(int b) {
this.b = b;
}
public int getB() {
return b;
}
}
static class TestEmptySubObject extends TestObject {
public TestEmptySubObject(int a) {
super(a);
}
}
static class TestTSubObject2 extends TestObject {
private transient int t;
public TestTSubObject2(int a, int t) {
super(a);
}
public int getT() {
return t;
}
public void setT(int t) {
this.t = t;
}
}
public void testSuper() {
TestObject o1 = new TestObject(4);
TestObject o2 = new TestObject(5);
assertEquals(true, new EqualsBuilder().appendSuper(true).append(o1, o1).isEquals());
assertEquals(false, new EqualsBuilder().appendSuper(false).append(o1, o1).isEquals());
assertEquals(false, new EqualsBuilder().appendSuper(true).append(o1, o2).isEquals());
assertEquals(false, new EqualsBuilder().appendSuper(false).append(o1, o2).isEquals());
}
public void testObject() {
TestObject o1 = new TestObject(4);
TestObject o2 = new TestObject(5);
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
o2.setA(4);
assertTrue(new EqualsBuilder().append(o1, o2).isEquals());
assertTrue(!new EqualsBuilder().append(o1, this).isEquals());
assertTrue(!new EqualsBuilder().append(o1, null).isEquals());
assertTrue(!new EqualsBuilder().append(null, o2).isEquals());
assertTrue(new EqualsBuilder().append((Object) null, (Object) null).isEquals());
}
public void testLong() {
long o1 = 1L;
long o2 = 2L;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
public void testInt() {
int o1 = 1;
int o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
public void testShort() {
short o1 = 1;
short o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
public void testChar() {
char o1 = 1;
char o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
public void testByte() {
byte o1 = 1;
byte o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
public void testDouble() {
double o1 = 1;
double o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
assertTrue(!new EqualsBuilder().append(o1, Double.NaN).isEquals());
assertTrue(new EqualsBuilder().append(Double.NaN, Double.NaN).isEquals());
assertTrue(new EqualsBuilder().append(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY).isEquals());
}
public void testFloat() {
float o1 = 1;
float o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
assertTrue(!new EqualsBuilder().append(o1, Float.NaN).isEquals());
assertTrue(new EqualsBuilder().append(Float.NaN, Float.NaN).isEquals());
assertTrue(new EqualsBuilder().append(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY).isEquals());
}
public void testAccessors() {
EqualsBuilder equalsBuilder = new EqualsBuilder();
assertTrue(equalsBuilder.isEquals());
equalsBuilder.setEquals(true);
assertTrue(equalsBuilder.isEquals());
equalsBuilder.setEquals(false);
assertFalse(equalsBuilder.isEquals());
}
public void testBoolean() {
boolean o1 = true;
boolean o2 = false;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
public void testObjectArray() {
TestObject[] obj1 = new TestObject[3];
obj1[0] = new TestObject(4);
obj1[1] = new TestObject(5);
obj1[2] = null;
TestObject[] obj2 = new TestObject[3];
obj2[0] = new TestObject(4);
obj2[1] = new TestObject(5);
obj2[2] = null;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj2, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1].setA(6);
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1].setA(5);
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[2] = obj1[1];
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[2] = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testLongArray() {
long[] obj1 = new long[2];
obj1[0] = 5L;
obj1[1] = 6L;
long[] obj2 = new long[2];
obj2[0] = 5L;
obj2[1] = 6L;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testIntArray() {
int[] obj1 = new int[2];
obj1[0] = 5;
obj1[1] = 6;
int[] obj2 = new int[2];
obj2[0] = 5;
obj2[1] = 6;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testShortArray() {
short[] obj1 = new short[2];
obj1[0] = 5;
obj1[1] = 6;
short[] obj2 = new short[2];
obj2[0] = 5;
obj2[1] = 6;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testCharArray() {
char[] obj1 = new char[2];
obj1[0] = 5;
obj1[1] = 6;
char[] obj2 = new char[2];
obj2[0] = 5;
obj2[1] = 6;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testByteArray() {
byte[] obj1 = new byte[2];
obj1[0] = 5;
obj1[1] = 6;
byte[] obj2 = new byte[2];
obj2[0] = 5;
obj2[1] = 6;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testDoubleArray() {
double[] obj1 = new double[2];
obj1[0] = 5;
obj1[1] = 6;
double[] obj2 = new double[2];
obj2[0] = 5;
obj2[1] = 6;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testFloatArray() {
float[] obj1 = new float[2];
obj1[0] = 5;
obj1[1] = 6;
float[] obj2 = new float[2];
obj2[0] = 5;
obj2[1] = 6;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testBooleanArray() {
boolean[] obj1 = new boolean[2];
obj1[0] = true;
obj1[1] = false;
boolean[] obj2 = new boolean[2];
obj2[0] = true;
obj2[1] = false;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
obj1[1] = true;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj2 = null;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
obj1 = null;
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testMultiLongArray() {
long[][] array1 = new long[2][2];
long[][] array2 = new long[2][2];
for (int i = 0; i < array1.length; ++i) {
for (int j = 0; j < array1[0].length; j++) {
array1[i][j] = (i + 1) * (j + 1);
array2[i][j] = (i + 1) * (j + 1);
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiIntArray() {
int[][] array1 = new int[2][2];
int[][] array2 = new int[2][2];
for (int i = 0; i < array1.length; ++i) {
for (int j = 0; j < array1[0].length; j++) {
array1[i][j] = (i + 1) * (j + 1);
array2[i][j] = (i + 1) * (j + 1);
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiShortArray() {
short[][] array1 = new short[2][2];
short[][] array2 = new short[2][2];
for (short i = 0; i < array1.length; ++i) {
for (short j = 0; j < array1[0].length; j++) {
array1[i][j] = i;
array2[i][j] = i;
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiCharArray() {
char[][] array1 = new char[2][2];
char[][] array2 = new char[2][2];
for (char i = 0; i < array1.length; ++i) {
for (char j = 0; j < array1[0].length; j++) {
array1[i][j] = i;
array2[i][j] = i;
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiByteArray() {
byte[][] array1 = new byte[2][2];
byte[][] array2 = new byte[2][2];
for (byte i = 0; i < array1.length; ++i) {
for (byte j = 0; j < array1[0].length; j++) {
array1[i][j] = i;
array2[i][j] = i;
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiFloatArray() {
float[][] array1 = new float[2][2];
float[][] array2 = new float[2][2];
for (int i = 0; i < array1.length; ++i) {
for (int j = 0; j < array1[0].length; j++) {
array1[i][j] = (i + 1) * (j + 1);
array2[i][j] = (i + 1) * (j + 1);
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiDoubleArray() {
double[][] array1 = new double[2][2];
double[][] array2 = new double[2][2];
for (int i = 0; i < array1.length; ++i) {
for (int j = 0; j < array1[0].length; j++) {
array1[i][j] = (i + 1) * (j + 1);
array2[i][j] = (i + 1) * (j + 1);
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMultiBooleanArray() {
boolean[][] array1 = new boolean[2][2];
boolean[][] array2 = new boolean[2][2];
for (int i = 0; i < array1.length; ++i) {
for (int j = 0; j < array1[0].length; j++) {
array1[i][j] = i == 1 || j == 1;
array2[i][j] = i == 1 || j == 1;
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = false;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
// compare 1 dim to 2.
boolean[] array3 = new boolean[] { true, true };
assertFalse(new EqualsBuilder().append(array1, array3).isEquals());
assertFalse(new EqualsBuilder().append(array3, array1).isEquals());
assertFalse(new EqualsBuilder().append(array2, array3).isEquals());
assertFalse(new EqualsBuilder().append(array3, array2).isEquals());
}
public void testRaggedArray() {
long array1[][] = new long[2][];
long array2[][] = new long[2][];
for (int i = 0; i < array1.length; ++i) {
array1[i] = new long[2];
array2[i] = new long[2];
for (int j = 0; j < array1[i].length; ++j) {
array1[i][j] = (i + 1) * (j + 1);
array2[i][j] = (i + 1) * (j + 1);
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
array1[1][1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testMixedArray() {
Object array1[] = new Object[2];
Object array2[] = new Object[2];
for (int i = 0; i < array1.length; ++i) {
array1[i] = new long[2];
array2[i] = new long[2];
for (int j = 0; j < 2; ++j) {
((long[]) array1[i])[j] = (i + 1) * (j + 1);
((long[]) array2[i])[j] = (i + 1) * (j + 1);
}
}
assertTrue(new EqualsBuilder().append(array1, array1).isEquals());
assertTrue(new EqualsBuilder().append(array1, array2).isEquals());
((long[]) array1[1])[1] = 0;
assertTrue(!new EqualsBuilder().append(array1, array2).isEquals());
}
public void testObjectArrayHiddenByObject() {
TestObject[] array1 = new TestObject[2];
array1[0] = new TestObject(4);
array1[1] = new TestObject(5);
TestObject[] array2 = new TestObject[2];
array2[0] = new TestObject(4);
array2[1] = new TestObject(5);
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1].setA(6);
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testLongArrayHiddenByObject() {
long[] array1 = new long[2];
array1[0] = 5L;
array1[1] = 6L;
long[] array2 = new long[2];
array2[0] = 5L;
array2[1] = 6L;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testIntArrayHiddenByObject() {
int[] array1 = new int[2];
array1[0] = 5;
array1[1] = 6;
int[] array2 = new int[2];
array2[0] = 5;
array2[1] = 6;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testShortArrayHiddenByObject() {
short[] array1 = new short[2];
array1[0] = 5;
array1[1] = 6;
short[] array2 = new short[2];
array2[0] = 5;
array2[1] = 6;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testCharArrayHiddenByObject() {
char[] array1 = new char[2];
array1[0] = 5;
array1[1] = 6;
char[] array2 = new char[2];
array2[0] = 5;
array2[1] = 6;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testByteArrayHiddenByObject() {
byte[] array1 = new byte[2];
array1[0] = 5;
array1[1] = 6;
byte[] array2 = new byte[2];
array2[0] = 5;
array2[1] = 6;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testDoubleArrayHiddenByObject() {
double[] array1 = new double[2];
array1[0] = 5;
array1[1] = 6;
double[] array2 = new double[2];
array2[0] = 5;
array2[1] = 6;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testFloatArrayHiddenByObject() {
float[] array1 = new float[2];
array1[0] = 5;
array1[1] = 6;
float[] array2 = new float[2];
array2[0] = 5;
array2[1] = 6;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = 7;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public void testBooleanArrayHiddenByObject() {
boolean[] array1 = new boolean[2];
array1[0] = true;
array1[1] = false;
boolean[] array2 = new boolean[2];
array2[0] = true;
array2[1] = false;
Object obj1 = array1;
Object obj2 = array2;
assertTrue(new EqualsBuilder().append(obj1, obj1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array1).isEquals());
assertTrue(new EqualsBuilder().append(obj1, obj2).isEquals());
assertTrue(new EqualsBuilder().append(obj1, array2).isEquals());
array1[1] = true;
assertTrue(!new EqualsBuilder().append(obj1, obj2).isEquals());
}
public static class TestACanEqualB {
private int a;
public TestACanEqualB(int a) {
this.a = a;
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (o instanceof TestACanEqualB) {
return this.a == ((TestACanEqualB) o).getA();
}
if (o instanceof TestBCanEqualA) {
return this.a == ((TestBCanEqualA) o).getB();
}
return false;
}
public int getA() {
return this.a;
}
}
public static class TestBCanEqualA {
private int b;
public TestBCanEqualA(int b) {
this.b = b;
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (o instanceof TestACanEqualB) {
return this.b == ((TestACanEqualB) o).getA();
}
if (o instanceof TestBCanEqualA) {
return this.b == ((TestBCanEqualA) o).getB();
}
return false;
}
public int getB() {
return this.b;
}
}
/**
* Tests two instances of classes that can be equal and that are not
* "related". The two classes are not subclasses of each other and do not
* share a parent aside from Object. See
* http://issues.apache.org/bugzilla/show_bug.cgi?id=33069
*/
public void testUnrelatedClasses() {
Object[] x = new Object[] { new TestACanEqualB(1) };
Object[] y = new Object[] { new TestBCanEqualA(1) };
// sanity checks:
assertTrue(Arrays.equals(x, x));
assertTrue(Arrays.equals(y, y));
assertTrue(Arrays.equals(x, y));
assertTrue(Arrays.equals(y, x));
// real tests:
assertTrue(x[0].equals(x[0]));
assertTrue(y[0].equals(y[0]));
assertTrue(x[0].equals(y[0]));
assertTrue(y[0].equals(x[0]));
assertTrue(new EqualsBuilder().append(x, x).isEquals());
assertTrue(new EqualsBuilder().append(y, y).isEquals());
assertTrue(new EqualsBuilder().append(x, y).isEquals());
assertTrue(new EqualsBuilder().append(y, x).isEquals());
}
/** Test from http://issues.apache.org/bugzilla/show_bug.cgi?id=33067 */
public void testNpeForNullElement() {
Object[] x1 = new Object[] { new Integer(1), null, new Integer(3) };
Object[] x2 = new Object[] { new Integer(1), new Integer(2), new Integer(3) };
// causes an NPE in 2.0 according to:
// http://issues.apache.org/bugzilla/show_bug.cgi?id=33067
new EqualsBuilder().append(x1, x2);
}
}