diff -r b4940ef87438 -r 2c0646d78e68 vmtest/src/test/java/org/apidesign/bck2brwsr/tck/CompareStringsTest.java
--- a/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/CompareStringsTest.java	Sat Jan 12 15:40:20 2013 +0100
+++ b/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/CompareStringsTest.java	Sat Jan 12 18:18:25 2013 +0100
@@ -32,6 +32,16 @@
         return "" + ("Hello".toCharArray()[0]);
     }
     
+    @Compare public String classCast() {
+        Object o = firstChar();
+        return String.class.cast(o);
+    }
+
+    @Compare public String classCastThrown() {
+        Object o = null;
+        return String.class.cast(o);
+    }
+    
     @Compare public static Object compareURLs() throws MalformedURLException {
         return new URL("http://apidesign.org:8080/wiki/").toExternalForm().toString();
     }