Webmozart\Console\Adapter\ArgsInput::setOption PHP Method

    public function setOption($name, $value)
    {
        if ($this->args) {
            $this->args->setOption($name, $value);
        }
    }

 public function testSetOption()
 {
     $inputArgs = new ArgsInput($this->rawArgs, $this->args);
     $inputNoArgs = new ArgsInput($this->rawArgs);
     $inputArgs->setOption('option2', 'value1');
     $inputNoArgs->setOption('option2', 'value1');
     $this->assertSame('value1', $inputArgs->getOption('option2'));
     $this->assertNull($inputNoArgs->getOption('option2'));
 }