uefi-raw: add ABI test for IpAddress

Author: phip1611

uefi-raw/src/net.rs

@@ -393,4 +393,16 @@ mod tests {
             assert_eq!(uefi_mac_addr.octets(), octets);
         }
     }
+
+    #[test]
+    fn test_efi_ip_address_abi() {
+        #[repr(C, packed)]
+        struct PackedHelper<T>(T);
+
+        assert_eq!(align_of::<IpAddress>(), 4);
+        assert_eq!(size_of::<IpAddress>(), 16);
+
+        assert_eq!(align_of::<PackedHelper<IpAddress>>(), 1);
+        assert_eq!(size_of::<PackedHelper<IpAddress>>(), 16);
+    }
 }