IsoCodes\Tests\IsbnTest::testValidValues PHP Метод

testValidIsbn

public testValidValues ( mixed $isbn, integer \| null $type = null ) : void
$isbn	mixed
$type	integer \| null
Результат	void

    public function testValidValues($isbn, $type = null)
    {
        $this->assertTrue(Isbn::validate($isbn, $type));
    }

IsbnTest