diff -r e089ef6785c0 -r 14268cd404a4 javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ModelTest.java
--- a/javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ModelTest.java	Sun Jan 20 13:05:02 2013 +0100
+++ b/javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ModelTest.java	Sun Jan 20 14:29:10 2013 +0100
@@ -17,6 +17,7 @@
  */
 package org.apidesign.bck2brwsr.htmlpage;
 
+import org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty;
 import org.apidesign.bck2brwsr.htmlpage.api.Page;
 import org.apidesign.bck2brwsr.htmlpage.api.Property;
 import static org.testng.Assert.*;
@@ -36,4 +37,14 @@
         Model.setValue(10);
         assertEquals(10, Model.getValue(), "Value changed");
     }
+    
+    @Test public void computedMethod() {
+        Model.setValue(4);
+        assertEquals(16, Model.getPowerValue());
+    }
+    
+    @ComputedProperty
+    static int powerValue(int value) {
+        return value * value;
+    }
 }