@Before public void setUp() throws Exception {
  opts.addOption("a",false,"toggle -a");
  opts.addOption("b",true,"set -b");
  opts.addOption("c","c",false,"toggle -c");
  opts.addOption("d","d",true,"set -d");
  opts.addOption(OptionBuilder.hasOptionalArg().create('e'));
  opts.addOption(OptionBuilder.hasOptionalArg().withLongOpt("fish").create());
  opts.addOption(OptionBuilder.hasOptionalArgs().withLongOpt("gravy").create());
  opts.addOption(OptionBuilder.hasOptionalArgs(2).withLongOpt("hide").create());
  opts.addOption(OptionBuilder.hasOptionalArgs(2).create('i'));
  opts.addOption(OptionBuilder.hasOptionalArgs().create('j'));
  String[] args=new String[]{"-a","-b","foo","--c","--d","bar"};
  Parser parser=new PosixParser();
  _cl=parser.parse(opts,args);
}