diff --git a/test/test-amp-u1b.js b/test/test-amp-u1b.js
new file mode 100644
index 0000000..76d5287
--- /dev/null
+++ b/test/test-amp-u1b.js
@@ -0,0 +1,41 @@
+config({
+  log:{
+    time:true
+  }
+})
+
+port(DIR.IP('udp://localhost'))
+connect(DIR.IP('udp://localhost:4568'));
+
+function ag() {
+  this.goto=null;
+  this.root=null;
+  this.act = {
+    check: function () {
+      log('Waiting');
+      this.root=myNode();
+      var links=link(DIR.IP('%'));
+      if (links && links.length) 
+        this.goto=links[0];
+      else sleep(500);
+    },
+    move: function () {
+      log('Going to '+this.goto);
+      moveto(DIR.NODE(this.goto))
+    },
+    back: function () {
+      log('Going back to '+this.goto);
+      moveto(DIR.NODE(this.root))      
+    },
+    end: function () {
+      log('Terminating');
+      kill();
+    },
+  }
+  this.trans = { check:function () { return this.goto?'move':'check' },
+                 move:'back',
+                 back:'end' }
+  this.next = 'check';
+}
+start()
+print(create(ag,{},2))