Adds testing for unicode entities

Author: johnjaylward

src/test/java/org/json/junit/XMLTest.java

@@ -782,11 +782,20 @@ public void testUnescape() {
                 XML.toJSONObject("<xml>Can cope &amp;; </xml>").toString());
         assertEquals("Can cope &; ", XML.unescape("Can cope &amp;; "));
 
+        // unicode entity
+        assertEquals("{\"xml\":\"Can cope 4;\"}",
+                XML.toJSONObject("<xml>Can cope &#x34;; </xml>").toString());
+        assertEquals("Can cope 4; ", XML.unescape("Can cope &#x34;; "));
+
         // double escaped
         assertEquals("{\"xml\":\"Can cope &lt;\"}",
                 XML.toJSONObject("<xml>Can cope &amp;lt; </xml>").toString());
         assertEquals("Can cope &lt; ", XML.unescape("Can cope &amp;lt; "));
 
-    }
+        assertEquals("{\"xml\":\"Can cope &#x34;\"}",
+                XML.toJSONObject("<xml>Can cope &amp;#x34; </xml>").toString());
+        assertEquals("Can cope &#x34; ", XML.unescape("Can cope &amp;#x34; "));
+
+   }
 
 }