1.1 --- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Thu Aug 29 16:49:00 2013 +0000
     1.2 +++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Thu Sep 05 09:36:06 2013 +0200
     1.3 @@ -208,14 +208,18 @@
     1.4              out.append("\n    ").append(destObject).append(".").append(mn).append(".cls = CLS;");
     1.5          }
     1.6          out.append("\n    c.constructor = CLS;");
     1.7 +        out.append("\n    function fillInstOf(x) {");
     1.8          String instOfName = "$instOf_" + className;
     1.9 -        out.append("\n    c.").append(instOfName).append(" = true;");
    1.10 +        out.append("\n        x.").append(instOfName).append(" = true;");
    1.11 +        for (String superInterface : jc.getSuperInterfaces()) {
    1.12 +            String intrfc = superInterface.replace('/', '_');
    1.13 +            out.append("\n      vm.").append(intrfc).append("(false).fillInstOf(x);");
    1.14 +            requireReference(superInterface);
    1.15 +        }
    1.16 +        out.append("\n    }");
    1.17 +        out.append("\n    c.fillInstOf = fillInstOf;");
    1.18 +        out.append("\n    fillInstOf(c);");
    1.19          obfuscationDelegate.exportJSProperty(out, "c", instOfName);
    1.20 -        for (String superInterface : jc.getSuperInterfaces()) {
    1.21 -            instOfName = "$instOf_" + superInterface.replace('/', '_');
    1.22 -            out.append("\n    c.").append(instOfName).append(" = true;");
    1.23 -            obfuscationDelegate.exportJSProperty(out, "c", instOfName);
    1.24 -        }
    1.25          out.append("\n    CLS.$class = 'temp';");
    1.26          out.append("\n    CLS.$class = ");
    1.27          out.append(accessClass("java_lang_Class(true);"));

     2.1 --- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Thu Aug 29 16:49:00 2013 +0000
     2.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Thu Sep 05 09:36:06 2013 +0200
     2.3 @@ -221,5 +221,11 @@
     2.4              "java.lang.Object"
     2.5          );
     2.6      }
     2.7 -
     2.8 +    
     2.9 +    @Test public void instanceOfSuperInterface() throws Exception {
    2.10 +        assertExec("Is iof super interface", Classes.class,
    2.11 +            "instanceOfSuperInterface__Z",
    2.12 +            1.0
    2.13 +        );
    2.14 +    }
    2.15  }

     3.1 --- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/Classes.java	Thu Aug 29 16:49:00 2013 +0000
     3.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/Classes.java	Thu Sep 05 09:36:06 2013 +0200
     3.3 @@ -18,6 +18,7 @@
     3.4  package org.apidesign.vm4brwsr;
     3.5  
     3.6  import java.io.IOException;
     3.7 +import java.io.Serializable;
     3.8  import java.lang.annotation.Annotation;
     3.9  import java.lang.annotation.Retention;
    3.10  import java.lang.annotation.RetentionPolicy;
    3.11 @@ -240,4 +241,13 @@
    3.12      
    3.13      @JavaScriptBody(args = {  }, body = "return function() { alert('x'); };")
    3.14      private native static Object fn();
    3.15 +    
    3.16 +    public static boolean instanceOfSuperInterface() {
    3.17 +        Object obj = new SuperSerial() {
    3.18 +        };
    3.19 +        return obj instanceof Serializable;
    3.20 +    }
    3.21 +    
    3.22 +    private static interface SuperSerial extends Serializable {
    3.23 +    }
    3.24  }