1 files changed, 21 insertions, 0 deletions

diff --git a/tests/storage.rs b/tests/storage.rs
index e6ad2d1..21e76d4 100644
--- a/tests/storage.rs
+++ b/tests/storage.rs
@@ -89,6 +89,27 @@ fn forgetting_one_address_keeps_the_shared_credentials() {
 }
 
 #[test]
+fn forgetting_the_login_keeps_the_trusted_key() {
+    let (_, conn) = tmp_db("creds-forget-login");
+    client_database::init_db(&conn);
+
+    client_database::save_host(&conn, "127.0.0.1:11525");
+    client_database::save_fingerprint(&conn, "127.0.0.1:11525", "server-a").unwrap();
+    client_database::save_credentials(&conn, "server-a", "alice", "pw").unwrap();
+
+    assert!(client_database::forget_credentials(&conn, "server-a").unwrap());
+    assert_eq!(client_database::get_credentials(&conn, "server-a"), None);
+    assert_eq!(
+        client_database::get_fingerprint(&conn, "127.0.0.1:11525"),
+        Some("server-a".to_string()),
+        "forgetting the login must not unpin the key"
+    );
+
+    // A second call is a no-op, not an error.
+    assert!(!client_database::forget_credentials(&conn, "server-a").unwrap());
+}
+
+#[test]
 fn client_last_host_tracking() {
     let (_, conn) = tmp_db("hosts");
     client_database::init_db(&conn);