/*
* Copyright 2010 JBoss Inc
*
* Licensed 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 org.drools.core.util.asm;
import java.io.InputStream;
import org.junit.Test;
import static org.junit.Assert.*;
import org.mvel2.asm.ClassReader;
public class MethodComparerTest {
@Test
public void testMethodCompare() throws Exception {
final MethodComparator comp = new MethodComparator();
boolean result = comp.equivalent( "evaluate",
new ClassReader( getClassData( MethodCompareA.class ) ),
"evaluate",
new ClassReader( getClassData( MethodCompareB.class ) ) );
assertEquals( true,
result );
result = comp.equivalent( "evaluate",
new ClassReader( getClassData( MethodCompareA.class ) ),
"evaluate2",
new ClassReader( getClassData( MethodCompareA.class ) ) );
assertEquals( false,
result );
result = comp.equivalent( "evaluate",
new ClassReader( getClassData( MethodCompareB.class ) ),
"evaluate2",
new ClassReader( getClassData( MethodCompareA.class ) ) );
assertEquals( false,
result );
result = comp.equivalent( "evaluate",
new ClassReader( getClassData( MethodCompareB.class ) ),
"evaluate",
new ClassReader( getClassData( MethodCompareA.class ) ) );
assertEquals( true,
result );
result = comp.equivalent( "evaluate",
new ClassReader( getClassData( MethodCompareA.class ) ),
"evaluate",
new ClassReader( getClassData( MethodCompareA.class ) ) );
assertEquals( true,
result );
result = comp.equivalent( "evaluate",
new ClassReader( getClassData( MethodCompareA.class ) ),
"askew",
new ClassReader( getClassData( MethodCompareA.class ) ) );
assertEquals( false,
result );
}
private InputStream getClassData(final Class clazz) {
final String name = getResourcePath( clazz );
return clazz.getResourceAsStream( name );
}
private String getResourcePath(final Class clazz) {
return "/" + clazz.getName().replaceAll( "\\.",
"/" ) + ".class";
}
}