/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.id;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;
import org.hibernate.testing.junit4.BaseUnitTestCase;
/**
* @author Steve Ebersole
*/
@SuppressWarnings( {"UnusedDeclaration"})
public abstract class AbstractHolderTest extends BaseUnitTestCase {
protected abstract IntegralDataTypeHolder makeHolder();
@Test
@SuppressWarnings( {"EmptyCatchBlock"})
public void testInitializationChecking() {
IntegralDataTypeHolder holder = makeHolder();
try {
holder.increment();
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.add( 1 );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.decrement();
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.subtract( 1 );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.multiplyBy( holder );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.multiplyBy( 1 );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.eq( holder );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.eq( 1 );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.lt( holder );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.lt( 1 );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.gt( holder );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.gt( 1 );
fail();
}
catch ( IdentifierGenerationException expected ) {
}
try {
holder.makeValue();
fail();
}
catch ( IdentifierGenerationException expected ) {
}
}
public void testIncrement() {
IntegralDataTypeHolder holder = makeHolder();
holder.initialize( 0 );
int i = 0;
for ( ; i < 5008; i++ ) {
holder.increment();
}
assertEquals( holder.copy().initialize( i ), holder );
}
public void testBasicHiloAlgorithm() {
// mimic an initialValue of 1 and increment of 20
final long initialValue = 1;
final long incrementSize = 2;
// initialization
IntegralDataTypeHolder lastSourceValue = makeHolder().initialize( 1 );
IntegralDataTypeHolder upperLimit = lastSourceValue.copy().multiplyBy( incrementSize ).increment();
IntegralDataTypeHolder value = upperLimit.copy().subtract( incrementSize );
assertEquals( 1, lastSourceValue.makeValue().longValue() );
assertEquals( 3, upperLimit.makeValue().longValue() );
assertEquals( 1, value.makeValue().longValue() );
value.increment();
value.increment();
assertFalse( upperLimit.gt( value ) );
// at which point we would "clock over"
lastSourceValue.increment();
upperLimit = lastSourceValue.copy().multiplyBy( incrementSize ).increment();
assertEquals( 2, lastSourceValue.makeValue().longValue() );
assertEquals( 5, upperLimit.makeValue().longValue() );
assertEquals( 3, value.makeValue().longValue() );
}
}