@Test
    public void testIllegalNumericCharacterReferences() throws Exception {
        for(final String reference : illegalNumericCharacterReferences) {
            // do magic
            final boolean result =  XMLLightweightParser.hasIllegalCharacterReferences(reference);
            
            // verify
            assertTrue(result, "No illegal numeric character reference was found in value \""+reference+"\", even though this hard-coded test value should contain one.");
        }
    }
Iterates of the collection of illegal numeric character references and asserts that
{@link XMLLightweightParser#hasIllegalCharacterReferences(String)} finds an illegal reference for each of these
values passed as an argument to this method.
xmppserver/src/test/java/org/jivesoftware/openfire/nio/XmlNumericCharacterReferenceTest.java