/**
* Tests formula, knowing it's possible values for correctnes.
*
* @param array $valueNames If not provided, tries to get current values if they are exists.
* @throws InvalidArgumentException
* @return boolean
*/
public function isCorrect(array $valueNames = array())
{
$source = $this->getSource();
if (empty($source)) {
return true;
}
$experiment = new WpTesting_Model_Formula();
$experiment->setSource($source);
if (empty($valueNames)) {
$experiment->addValues($this->substituteValues);
} else {
foreach (array_unique($valueNames) as $name) {
$experiment->addValue($name, 12, 0.34);
}
}
if (empty($experiment->substituteValues)) {
throw new InvalidArgumentException('Value names are required when own values are empty');
}
try {
$substitute = $experiment->substitute();
return !empty($substitute);
} catch (PHPParser_Error $e) {
return false;
}
}
