diff -r d382dacfd73f -r 0cb657a2b888 rt/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java
--- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java	Tue Feb 26 16:54:16 2013 +0100
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java	Fri Apr 05 10:41:07 2013 +0200
@@ -18,6 +18,7 @@
 package org.apidesign.vm4brwsr;
 
 import java.io.UnsupportedEncodingException;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
 
 /**
  *
@@ -129,4 +130,18 @@
     public String toString() {
         return HELLO + cnt;
     }
+    
+    @JavaScriptBody(args = {}, body = "return [1, 2];")
+    private static native Object crtarr();
+    @JavaScriptBody(args = { "o" }, body = "return o.valueOf();")
+    private static native String valueOf(Object o);
+    
+    public static String toStringArray(boolean fakeArr, boolean toString) {
+        final Object arr = fakeArr ? crtarr() : new Object[2];
+        final String whole = toString ? arr.toString() : valueOf(arr);
+        int zav = whole.indexOf('@');
+        assert zav >= 0 : "There should be @ in: " + whole;
+        return whole.substring(0, zav).toString().toString();
+    }
+    
 }