package org.apache.lucene.util;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * 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.
 */

import junit.framework.TestCase;

public class StringHelperTest extends TestCase {


  public StringHelperTest(String s) {
    super(s);
  }

  protected void setUp() {
  }

  protected void tearDown() {

  }

  public void testStringDifference() {
    String test1 = "test";
    String test2 = "testing";
    
    int result = StringHelper.stringDifference(test1, test2);
    assertTrue(result == 4);
    
    test2 = "foo";
    result = StringHelper.stringDifference(test1, test2);
    assertTrue(result == 0);
    
    test2 = "test";
    result = StringHelper.stringDifference(test1, test2);
    assertTrue(result == 4);
  }
}