1.1 --- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/LibUse.java	Wed Jun 08 07:15:54 2016 +0200
     1.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/LibUse.java	Fri Jun 10 05:52:44 2016 +0200
     1.3 @@ -17,7 +17,9 @@
     1.4   */
     1.5  package org.apidesign.vm4brwsr;
     1.6  
     1.7 +import static net.java.html.lib.Exports.NaN;
     1.8  import static net.java.html.lib.Exports.eval;
     1.9 +import static net.java.html.lib.Exports.isNaN;
    1.10  import static net.java.html.lib.Exports.parseInt;
    1.11  import net.java.html.lib.Objs;
    1.12  
    1.13 @@ -50,4 +52,9 @@
    1.14          return parseInt(str, radix);
    1.15      }
    1.16  
    1.17 +    public boolean checkNaN() throws Exception {
    1.18 +        double nan = NaN;
    1.19 +        return isNaN(nan);
    1.20 +    }
    1.21 +
    1.22  }