public function test_aliased_size_of()
 {
     BookSize::$validates_size_of = BookLength::$validates_length_of;
     BookSize::$validates_size_of[0]['within'] = array(1, 5);
     $book = new BookSize();
     $book->name = '12345';
     $book->save();
     $this->assert_false($book->errors->is_invalid('name'));
 }
 public function testAliasedSizeOf()
 {
     BookSize::$validatesSizeOf = BookLength::$validatesLengthOf;
     BookSize::$validatesSizeOf[0]['within'] = array(1, 5);
     $book = new BookSize();
     $book->name = '12345';
     $book->save();
     $this->assertFalse($book->errors->isInvalid('name'));
 }