AddClass.php in Examples for Developers 3.x
Namespace
Drupal\phpunit_exampleFile
modules/phpunit_example/src/AddClass.phpView source
<?php
namespace Drupal\phpunit_example;
/**
* A class with features to show how to do unit testing.
*
* @ingroup phpunit_example
*/
class AddClass {
/**
* A simple addition method with validity checking.
*
* @param int|float $a
* A number to add.
* @param int|float $b
* Another number to add.
*
* @return int|float
* The sum of $a and $b.
*
* @throws \InvalidArgumentException
* If either $a or $b is non-numeric, we can't add, so we throw.
*/
public function add($a, $b) {
// Check whether the arguments are numeric.
foreach ([
$a,
$b,
] as $argument) {
if (!is_numeric($argument)) {
throw new \InvalidArgumentException('Arguments must be numeric.');
}
}
return $a + $b;
}
}