WC_Order::has_cart_hash PHP Method

    public function has_cart_hash($cart_hash = '')
    {
        return hash_equals($this->get_cart_hash(), $cart_hash);
    }

 /**
  * Test: has_cart_hash
  */
 function test_has_cart_hash()
 {
     $object = new WC_Order();
     $this->assertFalse($object->has_cart_hash('12345'));
     $set_to = '12345';
     $object->set_cart_hash($set_to);
     $this->assertTrue($object->has_cart_hash('12345'));
 }