diff -r af4001c85438 -r 8e42a376da73 rt/vm/src/test/java/org/apidesign/vm4brwsr/Numbers.java
--- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/Numbers.java	Thu Feb 28 10:39:40 2013 +0100
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/Numbers.java	Thu May 16 08:49:55 2013 +0200
@@ -84,10 +84,20 @@
             default: throw new IllegalStateException();
         }
     }
+    static boolean bseven(int todo) {
+        switch (todo) {
+            case 30: return bvalueOf(Boolean.FALSE);
+            case 31: return bvalueOf(Boolean.TRUE);
+            default: throw new IllegalStateException();
+        }
+    }
     
     @JavaScriptBody(args = {}, body = "return 7;")
     private static native Number sevenNew();
+
+    @JavaScriptBody(args = { "o" }, body = "return o.valueOf();")
+    private static native double valueOf(Object o);
     
     @JavaScriptBody(args = { "o" }, body = "return o.valueOf();")
-    private static native double valueOf(Object o);
+    private static native boolean bvalueOf(Object o);
 }