/**
    * 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.cli2.bug;
  
  import junit.framework.TestCase;
  
  import org.apache.commons.cli2.Argument;
  import org.apache.commons.cli2.CommandLine;
  import org.apache.commons.cli2.Group;
  import org.apache.commons.cli2.Option;
  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.validation.NumberValidator;
  
  /**
   * An argument whose value is a negative number is mistaken as an option.
   *
   * @author Oliver Heger
   * @version $Id: BugCLI150Test.java 681191 2008-07-30 20:16:51Z oheger $
   */
  public class BugCLI150Test extends TestCase
  {
      public void testNegativeNumber() throws OptionException
      {
          final DefaultOptionBuilder oBuilder = new DefaultOptionBuilder();
          final ArgumentBuilder aBuilder = new ArgumentBuilder();
          final GroupBuilder gBuilder = new GroupBuilder();
  
          final Argument numArg = aBuilder.withValidator(
                  NumberValidator.getNumberInstance()).withMinimum(1)
                  .withMaximum(1).create();
          final Option numOpt = oBuilder.withLongName("num").withArgument(numArg)
                  .create();
          final Group options = gBuilder.withOption(numOpt).create();
  
          final Parser parser = new Parser();
          parser.setGroup(options);
  
          CommandLine cl = parser.parse(new String[] {
                  "--num", "-42"
          });
          Number num = (Number) cl.getValue(numOpt);
          assertEquals("Wrong option value", -42, num.intValue());
      }
  }