Apache
/
commons-lang
mirror of https://github.com/apache/commons-lang.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add additional testing for hashcode and equals integration 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137229 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2003-01-19 17:42:18 +00:00
parent 5c40090fec
commit 158a5104d0
2 changed files with 202 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/test/org/apache/commons/lang/builder/BuilderTestSuite.java
View File

@ -61,7 +61,7 @@ import junit.textui.TestRunner;
* Test suite for the Lang Builder package.
*
* @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a>
* @version $Id: BuilderTestSuite.java,v 1.3 2002/09/17 22:07:50 scolebourne Exp $
* @version $Id: BuilderTestSuite.java,v 1.4 2003/01/19 17:42:18 scolebourne Exp $
*/
public class BuilderTestSuite extends TestCase {
@ -88,6 +88,7 @@ public class BuilderTestSuite extends TestCase {
suite.addTest(CompareToBuilderTest.suite());
suite.addTest(EqualsBuilderTest.suite());
suite.addTest(HashCodeBuilderTest.suite());
suite.addTest(HashCodeBuilderAndEqualsBuilderTest.suite());
suite.addTest(ToStringBuilderTest.suite());
suite.addTest(DefaultToStringStyleTest.suite());
suite.addTest(NoFieldNamesToStringStyleTest.suite());

200
src/test/org/apache/commons/lang/builder/HashCodeBuilderAndEqualsBuilderTest.java Normal file
View File

@ -0,0 +1,200 @@
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.commons.lang.builder;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
/**
* Tests HashCodeBuilder and EqualsBuilderTest to insure that equal
* objects must have equal hash codes.
*
* @author Gary Gregory
* @version $Id: HashCodeBuilderAndEqualsBuilderTest.java,v 1.1 2003/01/19 17:42:18 scolebourne Exp $
*/
public class HashCodeBuilderAndEqualsBuilderTest extends TestCase {
/**
* Constructor for HashCodeBuilderAndEqualsBuilderTest.
* @param name
*/
public HashCodeBuilderAndEqualsBuilderTest(String name) {
super(name);
}
public static void main(String[] args) {
TestRunner.run(suite());
}
public static Test suite() {
TestSuite suite = new TestSuite(HashCodeBuilderAndEqualsBuilderTest.class);
suite.setName("HashCodeBuilderAndEqualsBuilder Tests");
return suite;
}
protected void setUp() throws Exception {
super.setUp();
}
protected void tearDown() throws Exception {
super.tearDown();
}
//-----------------------------------------------------------------------
public void testInteger(boolean testTransients) {
Integer i1 = new Integer(12345);
Integer i2 = new Integer(12345);
assertEqualsAndHashCodeContract(i1, i2, testTransients);
}
public void testInteger() {
testInteger(false);
}
public void testIntegerWithTransients() {
testInteger(true);
}
public void testFixture() {
testFixture(false);
}
public void testFixtureWithTransients() {
testFixture(true);
}
public void testFixture(boolean testTransients) {
assertEqualsAndHashCodeContract(new TestFixture(2, 'c', "Test", (short) 2), new TestFixture(2, 'c', "Test", (short) 2), testTransients);
assertEqualsAndHashCodeContract(
new AllTransientFixture(2, 'c', "Test", (short) 2),
new AllTransientFixture(2, 'c', "Test", (short) 2),
testTransients);
assertEqualsAndHashCodeContract(
new SubTestFixture(2, 'c', "Test", (short) 2, "Same"),
new SubTestFixture(2, 'c', "Test", (short) 2, "Same"),
testTransients);
assertEqualsAndHashCodeContract(
new SubAllTransientFixture(2, 'c', "Test", (short) 2, "Same"),
new SubAllTransientFixture(2, 'c', "Test", (short) 2, "Same"),
testTransients);
}
/**
* Asserts that if <code>lhs</code> equals <code>rhs</code>
* then their hash codes MUST be identical.
*
* @param lhs The Left-Hand-Side of the equals test
* @param rhs The Right-Hand-Side of the equals test
* @param testTransients wether to test transient fields
*/
public void assertEqualsAndHashCodeContract(Object lhs, Object rhs, boolean testTransients) {
if (EqualsBuilder.reflectionEquals(lhs, rhs, testTransients)) {
// test a couple of times for consistency.
assertEquals(HashCodeBuilder.reflectionHashCode(lhs, testTransients), HashCodeBuilder.reflectionHashCode(rhs, testTransients));
assertEquals(HashCodeBuilder.reflectionHashCode(lhs, testTransients), HashCodeBuilder.reflectionHashCode(rhs, testTransients));
assertEquals(HashCodeBuilder.reflectionHashCode(lhs, testTransients), HashCodeBuilder.reflectionHashCode(rhs, testTransients));
}
}
static class TestFixture {
int i;
char c;
String string;
short s;
TestFixture(int i, char c, String string, short s) {
this.i = i;
this.c = c;
this.string = string;
this.s = s;
}
}
static class SubTestFixture extends TestFixture {
transient String tString;
SubTestFixture(int i, char c, String string, short s, String tString) {
super(i, c, string, s);
this.tString = tString;
}
}
static class AllTransientFixture {
transient int i;
transient char c;
transient String string;
transient short s;
AllTransientFixture(int i, char c, String string, short s) {
this.i = i;
this.c = c;
this.string = string;
this.s = s;
}
}
static class SubAllTransientFixture extends AllTransientFixture {
transient String tString;
SubAllTransientFixture(int i, char c, String string, short s, String tString) {
super(i, c, string, s);
this.tString = tString;
}
}
}