1 files changed, 13 insertions, 2 deletions
diff --git a/openpgp/src/cert.rs b/openpgp/src/cert.rs
index 0170b0e8..f1f233da 100644
--- a/openpgp/src/cert.rs
+++ b/openpgp/src/cert.rs
@@ -7267,12 +7267,23 @@ Pu1xwz57O4zo1VYf6TqHJzVC3OMvMUM2hhdecMUe5x6GorNaj6g=
         let vcert = c.with_policy(&np, None)?;
         assert_eq!(vcert.keys().subkeys().count(), 1);
 
-        // XXX: Unfortunately, it being a v3 signature, the subkey has
-        // no keyflags, limiting its usefulness for now.
+        // A v3 signature has no subpackets, so there are no key
+        // flags.  But, we then consider the key role and public key
+        // algorithm.
+        assert_eq!(vcert.keys().for_signing().count(), 1);
+        assert_eq!(vcert.keys().for_transport_encryption().count(), 1);
 
         // The subkey is interesting because it is bound using a v3
         // signature.
         assert_eq!(c.keys().subkeys().with_policy(&np, None).count(), 1);
+
+        // A v3 signature has no subpackets, so there are no key
+        // flags.  But, we then consider the key role and public key
+        // algorithm.
+        assert_eq!(c.keys().with_policy(&np, None).for_signing().count(), 1);
+        assert_eq!(c.keys().with_policy(&np, None)
+                   .for_transport_encryption().count(), 1);
+
         Ok(())
     }
 }