public function testGetoptSetHelpInvalid()
{
$opts = new Getopt('abp:', array('-a'));
$opts->setHelp(array(
'a' => 'apple',
'b' => 'banana',
'p' => 'pear',
'c' => 'cumquat'));
$message = preg_replace('/Usage: .* \[ options \]/',
'Usage: <progname> [ options ]',
$opts->getUsageMessage());
$message = preg_replace('/ /', '_', $message);
$this->assertEquals($message,
"Usage:_<progname>_[_options_]\n-a___________________apple\n-b___________________banana\n-p_<string>__________pear\n");
}