/**
* Tests Cmd::addOptionIfNotEmpty
*/
public function testAddOptionIfEmptyAsValue()
{
$cmd = new Cmd('foo');
$cmd->addOptionIfNotEmpty('-bar', '');
$this->assertEquals('foo', (string) $cmd, 'option should not be added');
$cmd->addOptionIfNotEmpty('-bar', 'fiz');
$this->assertEquals('foo -bar=\'fiz\'', (string) $cmd, 'option should be added');
}