package org.drools.util.asm;
import java.io.InputStream;
import junit.framework.TestCase;
import org.mvel2.asm.ClassReader;
public class MethodComparerTest extends TestCase {
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";
}
}