|  | // Copyright (c) 2013, 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 'package:expect/expect.dart'; | 
|  |  | 
|  | class A { | 
|  | foo(required1, {named1: 499}) => -(required1 + named1 * 3); | 
|  | bar(required1, required2, {named1: 13, named2: 17}) => | 
|  | -(required1 + required2 * 3 + named1 * 5 + named2 * 7); | 
|  | gee({named1: 31}) => -named1; | 
|  | } | 
|  |  | 
|  | class B extends A { | 
|  | foo(required1) => required1; | 
|  | bar(required1, required2, {named1: 29}) => | 
|  | required1 + required2 * 3 + named1 * 5; | 
|  | gee({named2: 11}) => named2 * 99; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | // Invoke all A methods so that they are registered. | 
|  | var a = new A(); | 
|  | Expect.equals( | 
|  | -2092, | 
|  | a.foo(499, named1: 88) + | 
|  | a.bar(1, 2, named1: 3, named2: 88) + | 
|  | a.bar(1, 2, named2: 88) + | 
|  | a.gee(named1: 3)); | 
|  | var b = new B(); | 
|  | Expect.equals(499, b.foo(499)); | 
|  | Expect.equals(1 + 3 * 3 + 5 * 5, b.bar(1, 3, named1: 5)); | 
|  | Expect.equals(1 + 3 * 3 + 29 * 5, b.bar(1, 3)); | 
|  | Expect.equals(3 * 99, b.gee(named2: 3)); | 
|  | Expect.equals(11 * 99, b.gee()); | 
|  | } |