/**
* Adds a vote to the given numbered option
*
* @param integer $option_number
* @throws InvalidOptionNumber
*/
public function vote($option_number)
{
$option_number = (int) $option_number;
$validator = new OptionNumberValidator($this->options);
if (!$validator->isSatisfiedBy($option_number)) {
throw new InvalidOptionNumber($option_number);
}
$this->apply(new OptionVotedEvent($this->id, $option_number));
}
/**
* @test
* @group unit
*/
public function existing_option_index_returns_true()
{
$validator = new OptionNumberValidator(array('One', 'Two', 'Three'));
$this->assertTrue($validator->isSatisfiedBy(2));
}
