uefi-raw: add ABI test for IpAddress

Author: phip1611

uefi-raw/src/net.rs

@@ -427,4 +427,16 @@ mod tests {
         let expected = [42, 42, 42, 42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 42, 42];
         assert_eq!(ipv6_addr.octets(), expected);
     }
+
+    #[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);
+    }
 }