[jira] [Created] (CLI-300) DefaultParser fails to parse token "-S=V" if short option is longer than 1 char

["Balz Guenat (Jira)" <ji...@apache.org>]

Balz Guenat created CLI-300:
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             Summary: DefaultParser fails to parse token "-S=V" if short option is longer than 1 char
                 Key: CLI-300
                 URL: https://issues.apache.org/jira/browse/CLI-300
             Project: Commons CLI
          Issue Type: Bug
          Components: Parser
    Affects Versions: 1.4
         Environment: Windows 10, Java 11
            Reporter: Balz Guenat


Assuming there is a short option with {{foo}} with one argument. Trying to parse a token like {{-foo=bar}} results in an UnrecognizedOptionException.

The same scenario works fine if the short option is only one char long.

The reason is an if-statement in {{DefaultParser.handleShortAndLongOption()}} (line 543 in v1.4), which checks {{opt.length() == 1}} before checking if the option exists. IMO, this check should instead be {{isShortOption(opt)}}.

The below code demonstrates the issue.

{{Options options = new Options();}}
{{ Option option = Option.builder("foo").hasArg().build();}}
{{ options.addOption(option);}}

{{String[] args = new String[] \{"-foo=bar"};}}

{{DefaultParser parser = new DefaultParser();}}
{{ CommandLine cmdLine = parser.parse(options, args);}}{{assertEquals("bar", cmdLine.getOptionValue("foo"));}}



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