public function testMultipleField()
{
$this->specify('Test alnum validator with multiple field.', function () {
$validation = new Validation();
$validationMessages = ['name' => 'Name must be alnum', 'type' => 'Type must be alnum'];
$validation->add(['name', 'type'], new Alnum(['message' => $validationMessages]));
$messages = $validation->validate(['name' => 'SomeValue123', 'type' => 'SomeValue123']);
expect($messages->count())->equals(0);
$messages = $validation->validate(['name' => 'SomeValue123!@#', 'type' => 'SomeValue123']);
expect($messages->count())->equals(1);
expect($messages->offsetGet(0)->getMessage())->equals($validationMessages['name']);
$messages = $validation->validate(['name' => 'SomeValue123!@#', 'type' => 'SomeValue123!@#']);
expect($messages->count())->equals(2);
expect($messages->offsetGet(0)->getMessage())->equals($validationMessages['name']);
expect($messages->offsetGet(1)->getMessage())->equals($validationMessages['type']);
});
}