public function longNumericStringIsANumber() { $long1 = new Long('12389192458912430951248958921958154'); $long2 = new Long('-12389192458912430951248958921958154'); $this->assertEquals('12389192458912430951248958921958154', $long1->hashCode()); $this->assertEquals('-12389192458912430951248958921958154', $long2->hashCode()); }