Test default invoice field values

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index 0b112a72a35cc4964db63af35a58074856b1bbd1..c178169890cec2e5bd03c37f83c89b82a7156b1a 100644 (file)
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -1646,4 +1646,28 @@ mod test {
                let raw_invoice = builder.build_raw().unwrap();
                assert_eq!(raw_invoice, *invoice.into_signed_raw().raw_invoice())
        }
+
+       #[test]
+       fn test_default_values() {
+               use ::*;
+               use secp256k1::Secp256k1;
+               use secp256k1::key::SecretKey;
+
+               let signed_invoice = InvoiceBuilder::new(Currency::Bitcoin)
+                       .description("Test".into())
+                       .payment_hash(sha256::Hash::from_slice(&[0;32][..]).unwrap())
+                       .current_timestamp()
+                       .build_raw()
+                       .unwrap()
+                       .sign::<_, ()>(|hash| {
+                               let privkey = SecretKey::from_slice(&[41; 32]).unwrap();
+                               let secp_ctx = Secp256k1::new();
+                               Ok(secp_ctx.sign_recoverable(hash, &privkey))
+                       })
+                       .unwrap();
+               let invoice = Invoice::from_signed(signed_invoice).unwrap();
+
+               assert_eq!(invoice.min_final_cltv_expiry(), DEFAULT_MIN_FINAL_CLTV_EXPIRY);
+               assert_eq!(invoice.expiry_time(), Duration::from_secs(DEFAULT_EXPIRY_TIME));
+       }
 }