/**
  * test overwriting positional arguments.
  *
  * @return void
  */
 public function testPositionalArgOverwrite()
 {
     $parser = new ConsoleOptionParser('test', FALSE);
     $parser->addArgument('name', array('help' => 'An argument'))->addArgument('other', array('index' => 0));
     $result = $parser->arguments();
     $this->assertEquals(1, count($result), 'Overwrite did not occur');
 }