Commons Codec example source code file (StringEncoderComparatorTest.java)

This example Commons Codec source code file (StringEncoderComparatorTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Codec tags/keywords

array, doublemetaphone, exception, exception, jordan, jordan, o'brian, prior, sosa, soundex, string, string, stringencodercomparator, stringencodercomparator, util

The Commons Codec StringEncoderComparatorTest.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.commons.codec;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import junit.framework.TestCase;

import org.apache.commons.codec.language.DoubleMetaphone;
import org.apache.commons.codec.language.Soundex;

/**
 * Test cases for the StingEncoderComparator.
 * 
 * @author Apache Software Foundation
 * @version $Id: StringEncoderComparatorTest.java 651573 2008-04-25 11:11:21Z niallp $
 */
public class StringEncoderComparatorTest extends TestCase {

    public StringEncoderComparatorTest(String name) {
        super(name);
    }

    public void testComparatorNoArgCon() throws Exception {
        new StringEncoderComparator();
    }        

    public void testComparatorWithSoundex() throws Exception {
        StringEncoderComparator sCompare = 
            new StringEncoderComparator( new Soundex() );

        assertTrue( "O'Brien and O'Brian didn't come out with " +
                    "the same Soundex, something must be wrong here",
                    0 == sCompare.compare( "O'Brien", "O'Brian" ) );
    }
    
    public void testComparatorWithDoubleMetaphone() throws Exception {
        StringEncoderComparator sCompare =
            new StringEncoderComparator( new DoubleMetaphone() );
            
        String[] testArray = { "Jordan", "Sosa", "Prior", "Pryor" };
        List testList = Arrays.asList( testArray );        
        
        String[] controlArray = { "Jordan", "Prior", "Pryor", "Sosa" };

        Collections.sort( testList, sCompare);            
        
        String[] resultArray = (String[]) testList.toArray(new String[0]);
        
        for( int i = 0; i < resultArray.length; i++) {
            assertEquals( "Result Array not Equal to Control Array at index: " + i, controlArray[i], resultArray[i] );
        }
    }

    public void testComparatorWithDoubleMetaphoneAndInvalidInput() throws Exception {
        StringEncoderComparator sCompare =
            new StringEncoderComparator( new DoubleMetaphone() );
           
        int compare = sCompare.compare(new Double(3.0), new Long(3));
        assertEquals( "Trying to compare objects that make no sense to the underlying encoder should return a zero compare code",
                                0, compare);        
        
    }
}