diff -r 8e546d108658 -r e3f671b50e93 vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java	Fri Jan 25 11:00:52 2013 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java	Wed Jan 30 22:23:21 2013 +0100
@@ -144,6 +144,13 @@
         );
     }
     
+    @Test public void longConversion() throws Exception {
+        assertExec("Long from cPool",
+            Numbers.class, "conversionL__J", 
+            Double.valueOf(Long.MAX_VALUE)
+        );
+    }
+    
     private static CharSequence codeSeq;
     private static Invocable code;