diff -r 2adac52f955e -r c0bbf144c2c6 vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Sat Dec 29 19:46:09 2012 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Tue Jan 08 16:01:25 2013 +0100
@@ -102,6 +102,11 @@
             "java.io.IOException", true, "name"
         );
     }
+    @Test public void jsInvokeParamMethod() throws Exception {
+        assertExec("sums two numbers via reflection", Classes.class, 
+            "reflectiveSum__III", Double.valueOf(5), 2, 3
+        );
+    }
     @Test public void javaFindMethod() throws Exception {
         assertEquals(Classes.reflectiveMethodCall(false, "name"), "java.io.IOException", "Calls the name() method via reflection");
     }