| // Copyright (c) 2015, 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"; | 
 | import "package:async_helper/async_helper.dart"; | 
 |  | 
 | class A { | 
 |   int a = -1; | 
 |  | 
 |   @pragma('dart2js:noInline') | 
 |   foo(ignored, val) { | 
 |     Expect.equals(val, this.a); | 
 |   } | 
 | } | 
 |  | 
 | testA() async { | 
 |   var a = new A(); | 
 |   a.foo(await false, -1); | 
 |   a.a = 0; | 
 |   a.foo(await false, 0); | 
 | } | 
 |  | 
 | @pragma('dart2js:noInline') | 
 | @pragma('dart2js:assumeDynamic') | 
 | confuse(x) => x; | 
 |  | 
 | class B { | 
 |   var f; | 
 |   var b = 10; | 
 |  | 
 |   B(this.f); | 
 |  | 
 |   bar(x) => b; | 
 | } | 
 |  | 
 | foo(x) => 499; | 
 | bar(x) => 42; | 
 |  | 
 | change(x) { | 
 |   x.f = (x) => 99; | 
 | } | 
 |  | 
 | testB() async { | 
 |   var b = confuse(new B(foo)); | 
 |   Expect.equals(99, b.f(await change(b))); | 
 |   var b2 = confuse(new B(bar)); | 
 |   Expect.equals(10, b2.f(await (b2.f = b2.bar))); | 
 | } | 
 |  | 
 | test() async { | 
 |   await testA(); | 
 |   await testB(); | 
 | } | 
 |  | 
 | void main() { | 
 |   asyncStart(); | 
 |   test().then((_) => asyncEnd()); | 
 | } |