diff -r 8e546d108658 -r e3f671b50e93 vm/src/test/java/org/apidesign/vm4brwsr/TestUtils.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/TestUtils.java	Fri Jan 25 11:00:52 2013 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/TestUtils.java	Wed Jan 30 22:23:21 2013 +0100
@@ -47,6 +47,7 @@
             // in case of Long it is necessary convert it to number
             // since the Long is represented by two numbers in JavaScript
             try {
+                ret = code.invokeMethod(ret, "toFP");
                 ret = code.invokeFunction("Number", ret);
             } catch (ScriptException ex) {
                 fail("Conversion to number failed in " + StaticMethodTest.dumpJS(codeSeq), ex);