|  | // Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | import 'dart:mirrors'; | 
|  | import 'package:expect/expect.dart'; | 
|  |  | 
|  | class T { | 
|  | const T(this.symbol); | 
|  | final Symbol symbol; | 
|  | } | 
|  |  | 
|  | class U { | 
|  | @T(#x) | 
|  | int? field; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | final field = reflectClass(U).declarations[#field] as VariableMirror; | 
|  | final metadata = field.metadata; | 
|  | Expect.identical((metadata.first.reflectee as T).symbol, const Symbol('x')); | 
|  | } |