openpgp: Assert that CertBuilder is Send + Sync.

1 files changed, 6 insertions, 0 deletions

diff --git a/openpgp/src/cert/builder.rs b/openpgp/src/cert/builder.rs
index 413dce36..5976a931 100644
--- a/openpgp/src/cert/builder.rs
+++ b/openpgp/src/cert/builder.rs
@@ -1431,4 +1431,10 @@ mod tests {
                    revokers.iter().collect::<HashSet<_>>());
         Ok(())
     }
+
+    #[test]
+    fn cert_builder_is_send_and_sync() {
+        fn f<T: Send + Sync>(_: T) {}
+        f(CertBuilder::new().generate().unwrap());
+    }
 }