diff -r 1d6ca19d7174 -r 03be8510007c vm/src/test/java/org/apidesign/vm4brwsr/StringTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/StringTest.java	Sun Nov 18 15:20:07 2012 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/StringTest.java	Sun Nov 18 16:45:50 2012 +0100
@@ -32,7 +32,7 @@
         assertExec(
             "First char in Hello is H",
             "org_apidesign_vm4brwsr_StringSample_sayHelloCI",
-            "H", 0
+            72, 0
         );
     }
 
@@ -109,6 +109,16 @@
         );
     }
     
+    @Test public void countAB() throws Exception {
+        assertEquals(StringSample.countAB("Ahoj Bedo!"), 3, "Verify Java code is sane");
+        assertExec(
+            "One A and one B adds to 3",
+            "org_apidesign_vm4brwsr_StringSample_countABILjava_lang_String",
+            Double.valueOf(3), "Ahoj Bedo!"
+        );
+        
+    }
+    
     private static CharSequence codeSeq;
     private static Invocable code;