diff --git a/src/runtime2/tests/basics.rs b/src/runtime2/tests/basics.rs
index 471394c34e84602b9d7197b13a54b41c0f5b4a79..0a3a06db525162b88b488d57b0e6ce94bd204458 100644
--- a/src/runtime2/tests/basics.rs
+++ b/src/runtime2/tests/basics.rs
@@ -1,6 +1,49 @@
 
 use super::*;
 
+#[test]
+fn test_doing_nothing() {
+    // If this thing does not get into an infinite loop, (hence: the runtime
+    // exits), then the test works
+    const CODE: &'static str ="
+    primitive silent_willy(u32 loops) {
+        u32 index = 0;
+        while (index < loops) {
+            sync { index += 1; }
+        }
+    }
+    ";
+
+    let thing = TestTimer::new("doing_nothing");
+    run_test_in_runtime(CODE, |api| {
+        api.create_connector("", "silent_willy", ValueGroup::new_stack(vec![
+            Value::UInt32(NUM_LOOPS),
+        ])).expect("create component");
+    });
+}
+
+#[test]
+fn test_local_sync_failure() {
+    // If the component exits cleanly, then the runtime exits cleanly, and the
+    // test will finish
+    const CODE: &'static str = "
+    primitive immediate_failure() {
+        u32[] only_allows_index_0 = { 1 };
+        while (true) sync { // note the infinite loop
+            auto value = only_allows_index_0[1];
+        }
+    }
+    ";
+
+    let thing = TestTimer::new("immediate_local_failure");
+    run_test_in_runtime(CODE, |api| {
+        api.create_connector("", "immediate_failure", ValueGroup::new_stack(Vec::new()))
+            .expect("create component");
+    })
+}
+
+
+
 #[test]
 fn test_single_put_and_get() {
     const CODE: &'static str = "