/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2011, 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.test.bytecode.javassist;

import org.hibernate.bytecode.spi.ReflectionOptimizer;
import org.hibernate.bytecode.internal.javassist.BytecodeProviderImpl;

import org.junit.Test;

import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.hibernate.test.bytecode.Bean;
import org.hibernate.test.bytecode.BeanReflectionHelper;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

/**
 * @author Steve Ebersole
 */
public class ReflectionOptimizerTest extends BaseUnitTestCase {
	@Test
	public void testReflectionOptimization() {
		BytecodeProviderImpl provider = new BytecodeProviderImpl();
		ReflectionOptimizer optimizer = provider.getReflectionOptimizer(
				Bean.class,
		        BeanReflectionHelper.getGetterNames(),
		        BeanReflectionHelper.getSetterNames(),
		        BeanReflectionHelper.getTypes()
		);
		assertNotNull( optimizer );
		assertNotNull( optimizer.getInstantiationOptimizer() );
		assertNotNull( optimizer.getAccessOptimizer() );

		Object instance = optimizer.getInstantiationOptimizer().newInstance();
		assertEquals( instance.getClass(), Bean.class );
		Bean bean = ( Bean ) instance;

		optimizer.getAccessOptimizer().setPropertyValues( bean, BeanReflectionHelper.TEST_VALUES );
		assertEquals( bean.getSomeString(), BeanReflectionHelper.TEST_VALUES[0] );
		Object[] values = optimizer.getAccessOptimizer().getPropertyValues( bean );
		assertEquivalent( values, BeanReflectionHelper.TEST_VALUES );
	}

	private void assertEquivalent(Object[] checkValues, Object[] values) {
		assertEquals( "Different lengths", checkValues.length, values.length );
		for ( int i = 0; i < checkValues.length; i++ ) {
			assertEquals( "different values at index [" + i + "]", checkValues[i], values[i] );
		}
	}
}