/**
* @inheritdoc
*/
protected function validateValue($value)
{
$valid = true;
try {
$calculator = new Calculator();
$calculator->calc($value);
} catch (CalculatorException $e) {
$valid = false;
}
return $valid ? null : [$this->message, []];
}
private function assertCalcException($expression, $code)
{
$calculator = new Calculator();
try {
$calculator->calc($expression);
} catch (CalculatorException $e) {
if ($e->getCode() === $code) {
return;
} else {
$this->fail('Exception code must be ' . $code . ', not ' . $e->getCode() . '.');
}
}
$this->fail('An expected exception has not been raised.');
}
