diff --git a/tests/contract_test.rs b/tests/contract_test.rs
index 988ecf0..0bb006e 100644
--- a/tests/contract_test.rs
+++ b/tests/contract_test.rs
@@ -109,6 +109,27 @@ fn pause_and_unpause() {
     assert!(!client.is_paused());
 }
 
+#[test]
+#[should_panic(expected = "not admin")]
+fn test_non_admin_cannot_pause() {
+    let env = Env::default();
+    let (_, _, client) = setup(&env);
+    let non_admin = Address::generate(&env);
+
+    client.pause(&non_admin);
+}
+
+#[test]
+#[should_panic(expected = "not admin")]
+fn test_non_admin_cannot_unpause() {
+    let env = Env::default();
+    let (admin, _, client) = setup(&env);
+    let non_admin = Address::generate(&env);
+
+    client.pause(&admin);
+    client.unpause(&non_admin);
+}
+
 // ---------------------------------------------------------------------------
 // Paused mutating calls — issue #70 (depends on #63 / #10)
 // ---------------------------------------------------------------------------
@@ -337,6 +358,48 @@ fn add_and_remove_asset() {
     assert!(!client.is_asset_allowed(&usd(&env)));
 }
 
+#[test]
+fn test_add_asset_emits_event() {
+    let env = Env::default();
+    let (admin, contract_id, client) = setup(&env);
+    let asset_code = SorobanString::from_str(&env, "EUR");
+
+    client.add_asset(&admin, &asset_code);
+
+    let all_events = env.events().all();
+    let topics: soroban_sdk::Vec<Val> = (symbol_short!("synapse"),).into_val(&env);
+    let ledger = env.ledger().sequence();
+    let event_count = all_events.len();
+    let (evt_contract, evt_topics, evt_data) = all_events.get(event_count - 1).unwrap();
+
+    assert_eq!(evt_contract, contract_id);
+    assert_eq!(evt_topics, topics);
+    assert_eq!(event_data(&env, evt_data), (Event::AssetAdded(asset_code), ledger));
+}
+
+#[test]
+fn test_remove_asset_emits_event() {
+    let env = Env::default();
+    let (admin, contract_id, client) = setup(&env);
+    let asset_code = SorobanString::from_str(&env, "EUR");
+
+    client.add_asset(&admin, &asset_code);
+    client.remove_asset(&admin, &asset_code);
+
+    let all_events = env.events().all();
+    let topics: soroban_sdk::Vec<Val> = (symbol_short!("synapse"),).into_val(&env);
+    let ledger = env.ledger().sequence();
+    let event_count = all_events.len();
+    let (evt_contract, evt_topics, evt_data) = all_events.get(event_count - 1).unwrap();
+
+    assert_eq!(evt_contract, contract_id);
+    assert_eq!(evt_topics, topics);
+    assert_eq!(
+        event_data(&env, evt_data),
+        (Event::AssetRemoved(asset_code), ledger),
+    );
+}
+
 #[test]
 fn remove_asset_emits_asset_removed_event() {
     let env = Env::default();
@@ -1809,6 +1872,46 @@ fn mark_failed_creates_dlq_entry() {
     assert_eq!(entry.tx_id, tx_id);
 }
 
+#[test]
+fn test_mark_failed_emits_events() {
+    let env = Env::default();
+    let (admin, contract_id, client) = setup(&env);
+    let relayer = Address::generate(&env);
+    client.grant_relayer(&admin, &relayer);
+    client.add_asset(&admin, &usd(&env));
+
+    let tx_id = register(&env, &client, &relayer, "issue-600-mf-events", 50_000_000);
+    let error_reason = SorobanString::from_str(&env, "horizon timeout");
+
+    client.mark_failed(&relayer, &tx_id, &error_reason);
+
+    let all_events = env.events().all();
+    let topics: soroban_sdk::Vec<Val> = (symbol_short!("synapse"),).into_val(&env);
+    let ledger = env.ledger().sequence();
+    let event_count = all_events.len();
+
+    assert!(event_count >= 2, "expected at least two events after mark_failed");
+
+    let (status_contract, status_topics, status_data) = all_events.get(event_count - 2).unwrap();
+    let (dlq_contract, dlq_topics, dlq_data) = all_events.get(event_count - 1).unwrap();
+
+    assert_eq!(status_contract, contract_id);
+    assert_eq!(status_topics, topics);
+    let (status_event, status_ledger) = event_data(&env, status_data);
+    assert_eq!(status_ledger, ledger);
+    match status_event {
+        Event::StatusUpdated(emitted_tx_id, ..) => assert_eq!(emitted_tx_id, tx_id),
+        _ => panic!("expected StatusUpdated as second-to-last event"),
+    }
+
+    assert_eq!(dlq_contract, contract_id);
+    assert_eq!(dlq_topics, topics);
+    assert_eq!(
+        event_data(&env, dlq_data),
+        (Event::MovedToDlq(tx_id, error_reason), ledger),
+    );
+}
+
 #[test]
 fn get_dlq_entry_returns_none_when_not_found() {
     let env = Env::default();