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    * 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.
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  package org.apache.commons.cli2.bug;
  
  import junit.framework.TestCase;
  
  import org.apache.commons.cli2.Argument;
  import org.apache.commons.cli2.Group;
  import org.apache.commons.cli2.OptionException;
  import org.apache.commons.cli2.builder.ArgumentBuilder;
  import org.apache.commons.cli2.builder.DefaultOptionBuilder;
  import org.apache.commons.cli2.builder.GroupBuilder;
  import org.apache.commons.cli2.commandline.Parser;
  import org.apache.commons.cli2.option.SourceDestArgument;
  
  /**
   * The first is a loop in Parser.parse() if I set a non-declared option. This 
   * code goes into a loop in Parser.java method parse this 'while' loop runs 
   * endless
   * 
   * @author Steve Alberty
   */
  public class BugLoopingOptionLookAlikeTest extends TestCase {
  
      public void testLoopingOptionLookAlike() {
          final DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
          final ArgumentBuilder abuilder = new ArgumentBuilder();
          final GroupBuilder gbuilder = new GroupBuilder();
          final Group options = gbuilder
              .withName("ant")
              .withOption(obuilder.withShortName("help").withDescription("print this message").create())
              .withOption(obuilder.withShortName("projecthelp").withDescription("print project help information").create())
              .withOption(abuilder.withName("target").create())
              .create();
          
          final Parser parser = new Parser();
          parser.setGroup(options);
          try {
              parser.parse(new String[] { "-abcdef",
                      "testfile.txt ", });
              fail("OptionException");
          } catch (OptionException e) {
              assertEquals("Unexpected -abcdef while processing ant",e.getMessage());
          }
      }
      
      public void testLoopingOptionLookAlike2() {
          final ArgumentBuilder abuilder = new ArgumentBuilder();
          final GroupBuilder gbuilder = new GroupBuilder();
          final Argument inputfile_opt = abuilder.withName("input").withMinimum(1).withMaximum(1).create();
          final Argument outputfile_opt = abuilder.withName("output").withMinimum(1).withMaximum(1).create();
          final Argument targets = new SourceDestArgument(inputfile_opt, outputfile_opt);
          final Group options = gbuilder.withOption(targets).create();
          final Parser parser = new Parser();
          parser.setGroup(options);
          try {
              parser.parse(new String[] { "testfile.txt", "testfile.txt", "testfile.txt", "testfile.txt" });
              fail("OptionException");
          } catch (OptionException e) {
              assertEquals("Unexpected testfile.txt while processing ", e.getMessage());
          }
      }    
  }