/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
//Class comes from Apache Commons Lang, added some tiny changes
package org.mockito.internal.matchers.apachecommons;
import org.junit.Test;
import org.mockitoutil.TestBase;
import java.math.BigDecimal;
import java.util.Arrays;
import static junit.framework.TestCase.*;
/**
* @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
* @version $Id: EqualsBuilderTest.java 611543 2008-01-13 07:00:22Z bayard $
*/
public class EqualsBuilderTest extends TestBase {
@Test
public void testname() throws Exception {
}
static class TestObject {
private int a;
public TestObject() {
}
public TestObject(int a) {
this.a = a;
}
public boolean equals(Object o) {
if (o == null) { return false; }
if (o == this) { return true; }
if (o.getClass() != getClass()) {
return false;
}
TestObject rhs = (TestObject) o;
return (a == rhs.a);
}
public int hashCode() {
return super.hashCode();
}
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;
}
public boolean equals(Object o) {
if (o == null) { return false; }
if (o == this) { return true; }
if (o.getClass() != getClass()) {
return false;
}
TestSubObject rhs = (TestSubObject) o;
return super.equals(o) && (b == rhs.b);
}
public int hashCode() {
return 1;
}
public void setB(int b) {
this.b = b;
}
public int getB() {
return b;
}
}
static class TestEmptySubObject extends TestObject {
public TestEmptySubObject(int a) {
super(a);
}
}
@SuppressWarnings("unused")
static class TestTSubObject extends TestObject {
private transient int t;
public TestTSubObject(int a, int t) {
super(a);
this.t = t;
}
}
@SuppressWarnings("unused")
static class TestTTSubObject extends TestTSubObject {
private transient int tt;
public TestTTSubObject(int a, int t, int tt) {
super(a, t);
this.tt = tt;
}
}
@SuppressWarnings("unused")
static class TestTTLeafObject extends TestTTSubObject {
private int leafValue;
public TestTTLeafObject(int a, int t, int tt, int leafValue) {
super(a, t, tt);
this.leafValue = leafValue;
}
}
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;
}
}
@Test public void testReflectionEquals() {
TestObject o1 = new TestObject(4);
TestObject o2 = new TestObject(5);
assertTrue(EqualsBuilder.reflectionEquals(o1, o1));
assertTrue(!EqualsBuilder.reflectionEquals(o1, o2));
o2.setA(4);
assertTrue(EqualsBuilder.reflectionEquals(o1, o2));
assertTrue(!EqualsBuilder.reflectionEquals(o1, this));
assertTrue(!EqualsBuilder.reflectionEquals(o1, null));
assertTrue(!EqualsBuilder.reflectionEquals(null, o2));
assertTrue(EqualsBuilder.reflectionEquals((Object) null, (Object) null));
}
@Test public void testReflectionHierarchyEquals() {
testReflectionHierarchyEquals(false);
testReflectionHierarchyEquals(true);
// Transients
assertTrue(EqualsBuilder.reflectionEquals(new TestTTLeafObject(1, 2, 3, 4), new TestTTLeafObject(1, 2, 3, 4), true));
assertTrue(EqualsBuilder.reflectionEquals(new TestTTLeafObject(1, 2, 3, 4), new TestTTLeafObject(1, 2, 3, 4), false));
assertTrue(!EqualsBuilder.reflectionEquals(new TestTTLeafObject(1, 0, 0, 4), new TestTTLeafObject(1, 2, 3, 4), true));
assertTrue(!EqualsBuilder.reflectionEquals(new TestTTLeafObject(1, 2, 3, 4), new TestTTLeafObject(1, 2, 3, 0), true));
assertTrue(!EqualsBuilder.reflectionEquals(new TestTTLeafObject(0, 2, 3, 4), new TestTTLeafObject(1, 2, 3, 4), true));
}
private void testReflectionHierarchyEquals(boolean testTransients) {
TestObject to1 = new TestObject(4);
TestObject to1Bis = new TestObject(4);
TestObject to1Ter = new TestObject(4);
TestObject to2 = new TestObject(5);
TestEmptySubObject teso = new TestEmptySubObject(4);
TestTSubObject ttso = new TestTSubObject(4, 1);
TestTTSubObject tttso = new TestTTSubObject(4, 1, 2);
TestTTLeafObject ttlo = new TestTTLeafObject(4, 1, 2, 3);
TestSubObject tso1 = new TestSubObject(1, 4);
TestSubObject tso1bis = new TestSubObject(1, 4);
TestSubObject tso1ter = new TestSubObject(1, 4);
TestSubObject tso2 = new TestSubObject(2, 5);
testReflectionEqualsEquivalenceRelationship(to1, to1Bis, to1Ter, to2, new TestObject(), testTransients);
testReflectionEqualsEquivalenceRelationship(tso1, tso1bis, tso1ter, tso2, new TestSubObject(), testTransients);
// More sanity checks:
// same values
assertTrue(EqualsBuilder.reflectionEquals(ttlo, ttlo, testTransients));
assertTrue(EqualsBuilder.reflectionEquals(new TestSubObject(1, 10), new TestSubObject(1, 10), testTransients));
// same super values, diff sub values
assertTrue(!EqualsBuilder.reflectionEquals(new TestSubObject(1, 10), new TestSubObject(1, 11), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestSubObject(1, 11), new TestSubObject(1, 10), testTransients));
// diff super values, same sub values
assertTrue(!EqualsBuilder.reflectionEquals(new TestSubObject(0, 10), new TestSubObject(1, 10), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestSubObject(1, 10), new TestSubObject(0, 10), testTransients));
// mix super and sub types: equals
assertTrue(EqualsBuilder.reflectionEquals(to1, teso, testTransients));
assertTrue(EqualsBuilder.reflectionEquals(teso, to1, testTransients));
assertTrue(EqualsBuilder.reflectionEquals(to1, ttso, false)); // Force testTransients = false for this assert
assertTrue(EqualsBuilder.reflectionEquals(ttso, to1, false)); // Force testTransients = false for this assert
assertTrue(EqualsBuilder.reflectionEquals(to1, tttso, false)); // Force testTransients = false for this assert
assertTrue(EqualsBuilder.reflectionEquals(tttso, to1, false)); // Force testTransients = false for this assert
assertTrue(EqualsBuilder.reflectionEquals(ttso, tttso, false)); // Force testTransients = false for this assert
assertTrue(EqualsBuilder.reflectionEquals(tttso, ttso, false)); // Force testTransients = false for this assert
// mix super and sub types: NOT equals
assertTrue(!EqualsBuilder.reflectionEquals(new TestObject(0), new TestEmptySubObject(1), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestEmptySubObject(1), new TestObject(0), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestObject(0), new TestTSubObject(1, 1), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestTSubObject(1, 1), new TestObject(0), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestObject(1), new TestSubObject(0, 10), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(new TestSubObject(0, 10), new TestObject(1), testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(to1, ttlo));
assertTrue(!EqualsBuilder.reflectionEquals(tso1, this));
}
/**
* Equivalence relationship tests inspired by "Effective Java":
* <ul>
* <li>reflection</li>
* <li>symmetry</li>
* <li>transitive</li>
* <li>consistency</li>
* <li>non-null reference</li>
* </ul>
* @param to a TestObject
* @param toBis a TestObject, equal to to and toTer
* @param toTer Left hand side, equal to to and toBis
* @param to2 a different TestObject
* @param oToChange a TestObject that will be changed
*/
private void testReflectionEqualsEquivalenceRelationship(
TestObject to,
TestObject toBis,
TestObject toTer,
TestObject to2,
TestObject oToChange,
boolean testTransients) {
// reflection test
assertTrue(EqualsBuilder.reflectionEquals(to, to, testTransients));
assertTrue(EqualsBuilder.reflectionEquals(to2, to2, testTransients));
// symmetry test
assertTrue(EqualsBuilder.reflectionEquals(to, toBis, testTransients) && EqualsBuilder.reflectionEquals(toBis, to, testTransients));
// transitive test
assertTrue(
EqualsBuilder.reflectionEquals(to, toBis, testTransients)
&& EqualsBuilder.reflectionEquals(toBis, toTer, testTransients)
&& EqualsBuilder.reflectionEquals(to, toTer, testTransients));
// consistency test
oToChange.setA(to.getA());
if (oToChange instanceof TestSubObject) {
((TestSubObject) oToChange).setB(((TestSubObject) to).getB());
}
assertTrue(EqualsBuilder.reflectionEquals(oToChange, to, testTransients));
assertTrue(EqualsBuilder.reflectionEquals(oToChange, to, testTransients));
oToChange.setA(to.getA() + 1);
if (oToChange instanceof TestSubObject) {
((TestSubObject) oToChange).setB(((TestSubObject) to).getB() + 1);
}
assertTrue(!EqualsBuilder.reflectionEquals(oToChange, to, testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(oToChange, to, testTransients));
// non-null reference test
assertTrue(!EqualsBuilder.reflectionEquals(to, null, testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(to2, null, testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(null, to, testTransients));
assertTrue(!EqualsBuilder.reflectionEquals(null, to2, testTransients));
assertTrue(EqualsBuilder.reflectionEquals((Object) null, (Object) null, testTransients));
}
@Test 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());
}
@Test 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());
}
@Test public void testLong() {
long o1 = 1L;
long o2 = 2L;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
@Test public void testInt() {
int o1 = 1;
int o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
@Test public void testShort() {
short o1 = 1;
short o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
@Test public void testChar() {
char o1 = 1;
char o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
@Test public void testByte() {
byte o1 = 1;
byte o2 = 2;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
@Test 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());
}
@Test 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());
}
// https://issues.apache.org/jira/browse/LANG-393
@Test public void testBigDecimal() {
BigDecimal o1 = new BigDecimal("2.0");
BigDecimal o2 = new BigDecimal("2.00");
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(new EqualsBuilder().append(o1, o2).isEquals());
}
@Test public void testAccessors() {
EqualsBuilder equalsBuilder = new EqualsBuilder();
assertTrue(equalsBuilder.isEquals());
equalsBuilder.setEquals(true);
assertTrue(equalsBuilder.isEquals());
equalsBuilder.setEquals(false);
assertFalse(equalsBuilder.isEquals());
}
@Test public void testBoolean() {
boolean o1 = true;
boolean o2 = false;
assertTrue(new EqualsBuilder().append(o1, o1).isEquals());
assertTrue(!new EqualsBuilder().append(o1, o2).isEquals());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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());
}
@Test 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;
}
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 hashCode() {
return 1;
}
public int getA() {
return this.a;
}
}
public static class TestBCanEqualA {
private int b;
public TestBCanEqualA(int b) {
this.b = b;
}
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 hashCode() {
return 1;
}
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
*/
@Test 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
*/
@Test 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);
}
@Test public void testReflectionEqualsExcludeFields() throws Exception {
TestObjectWithMultipleFields x1 = new TestObjectWithMultipleFields(1, 2, 3);
TestObjectWithMultipleFields x2 = new TestObjectWithMultipleFields(1, 3, 4);
// not equal when including all fields
assertTrue(!EqualsBuilder.reflectionEquals(x1, x2));
// doesn't barf on null, empty array, or non-existent field, but still tests as not equal
assertTrue(!EqualsBuilder.reflectionEquals(x1, x2, (String[]) null));
assertTrue(!EqualsBuilder.reflectionEquals(x1, x2, new String[] {}));
assertTrue(!EqualsBuilder.reflectionEquals(x1, x2, new String[] {"xxx"}));
// not equal if only one of the differing fields excluded
assertTrue(!EqualsBuilder.reflectionEquals(x1, x2, new String[] {"two"}));
assertTrue(!EqualsBuilder.reflectionEquals(x1, x2, new String[] {"three"}));
// equal if both differing fields excluded
assertTrue(EqualsBuilder.reflectionEquals(x1, x2, new String[] {"two", "three"}));
// still equal as long as both differing fields are among excluded
assertTrue(EqualsBuilder.reflectionEquals(x1, x2, new String[] {"one", "two", "three"}));
assertTrue(EqualsBuilder.reflectionEquals(x1, x2, new String[] {"one", "two", "three", "xxx"}));
}
@SuppressWarnings("unused")
static class TestObjectWithMultipleFields {
private TestObject one;
private TestObject two;
private TestObject three;
public TestObjectWithMultipleFields(int one, int two, int three) {
this.one = new TestObject(one);
this.two = new TestObject(two);
this.three = new TestObject(three);
}
}
}