1 files changed, 23 insertions, 1 deletions

diff --git a/src/tests/testSignals.cc b/src/tests/testSignals.cc
index 6d68d3a..f382289 100644
--- a/src/tests/testSignals.cc
+++ b/src/tests/testSignals.cc
@@ -3,6 +3,9 @@ using namespace std;
 
 #include "../FbTk/Signal.hh"
 #include "../FbTk/MemFun.hh"
+#include "../FbTk/RelaySignal.hh"
+#include "../FbTk/Observer.hh"
+#include "../FbTk/Subject.hh"
 
 #include <string>
 
@@ -138,5 +141,24 @@ int main() {
                        2.9);
 
     }
-
+    // Test relay new signals to old
+    {
+        cout << "---------- Testing relay of signals" << endl;
+        struct Observer: public FbTk::Observer {
+            void update(FbTk::Subject* subj) {
+                cout << "Observer called." << endl;
+            }
+        };
+        // setup old subject->observer listening
+        FbTk::Subject destination;
+        Observer obs;
+        destination.attach(&obs);
+        // create a new signal and relay it to the
+        // old subject
+        FbTk::Signal<void, string> source;
+        FbTk::relaySignal(source, destination);
+        // the new signal should now make the old
+        // subject notify its observers
+        source.emit("hello world");
+    }
 }