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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.cli.bug;
19  
20  import static org.junit.jupiter.api.Assertions.assertThrows;
21  
22  import org.apache.commons.cli.AmbiguousOptionException;
23  import org.apache.commons.cli.DefaultParser;
24  import org.apache.commons.cli.Option;
25  import org.apache.commons.cli.Options;
26  import org.apache.commons.cli.ParseException;
27  import org.junit.Test;
28  
29  public class BugCLI252Test {
30  
31      private Options getOptions() {
32          final Options options = new Options();
33          options.addOption(Option.builder().longOpt("prefix").build());
34          options.addOption(Option.builder().longOpt("prefixplusplus").build());
35          return options;
36      }
37  
38      @Test
39      public void testAmbiquousOptionName() {
40          assertThrows(AmbiguousOptionException.class, () ->
41                  new DefaultParser().parse(getOptions(), new String[]{"--pref"})
42          );
43      }
44  
45      @Test
46      public void testExactOptionNameMatch() throws ParseException {
47          new DefaultParser().parse(getOptions(), new String[] {"--prefix"});
48      }
49  
50  }