assertEquals(1, env.size());
AviatorFunction predicate = (AviatorFunction) env.get(predicateName.getName());
assertNotNull(predicate);
AviatorObject[] args = new AviatorObject[1];
args[0] = new AviatorRuntimeJavaType("hello");
AviatorObject result = predicate.call(null, args);
// equals self
assertTrue(result.booleanValue(null));
args[0] = new AviatorRuntimeJavaType("he11o");
result = predicate.call(null, args);
// equals self
assertFalse(result.booleanValue(null));
}