diff --git a/src/runtime2/tests/mod.rs b/src/runtime2/tests/mod.rs
index 0225f944d0c23c4aa5eaf7e55a26939ebd204bc9..d8e4a4011bb4df5916df9ed0105701eae40a8246 100644
--- a/src/runtime2/tests/mod.rs
+++ b/src/runtime2/tests/mod.rs
@@ -31,26 +31,50 @@ fn test_component_creation() {
 }
 
 #[test]
-fn test_component_communication() {
+fn test_component_communication_a() {
     let pd = ProtocolDescription::parse(b"
     primitive sender(out<u32> o) {
-        print(\"sender\");
         sync put(o, 1);
     }
     primitive receiver(in<u32> i) {
-        print(\"receiver\");
         sync auto a = get(i);
     }
     composite constructor() {
         channel o -> i;
-        print(\"creating sender\");
         new sender(o);
-        print(\"creating receiver\");
         new receiver(i);
-        print(\"done\");
     }
     ").expect("compilation");
     let rt = Runtime::new(1, pd);
 
+    create_component(&rt, "", "constructor", no_args());
+}
+
+#[test]
+fn test_component_communication_b() {
+    let pd = ProtocolDescription::parse(b"
+    primitive sender(out<u32> o, u32 rounds) {
+        u32 index = 0;
+        sync while (index < rounds) {
+            put(o, index);
+            index += 1;
+        }
+    }
+
+    primitive receiver(in<u32> i, u32 rounds) {
+        u32 index = 0;
+        sync while (index < rounds) {
+            auto val = get(i);
+            while (val != index) {} // infinite loop if incorrect value is received
+            index += 1;
+        }
+    }
+
+    composite constructor() {
+        channel o -> i;
+        new sender(o, 5);
+        new receiver(i, 5);
+    }").expect("compilation");
+    let rt = Runtime::new(1, pd);
     create_component(&rt, "", "constructor", no_args());
 }
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