|  | // Copyright (c) 2014, 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"; | 
|  |  | 
|  | var baz_clicks = 0; | 
|  |  | 
|  | baz() { | 
|  | return ++baz_clicks; | 
|  | } | 
|  |  | 
|  | var global = 0; | 
|  |  | 
|  | increment_global() { | 
|  | ++global; | 
|  | return global <= 10; | 
|  | } | 
|  |  | 
|  | foo(x, y) { | 
|  | var n = 0; | 
|  | while (true) { | 
|  | baz(); | 
|  | if (n >= x) { | 
|  | return n; | 
|  | } | 
|  | baz(); | 
|  | if (n >= y) { | 
|  | return n; | 
|  | } | 
|  | n = n + 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | bar() { | 
|  | while (increment_global()) { | 
|  | baz(); | 
|  | } | 
|  | return baz(); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | Expect.equals(10, foo(10, 20)); | 
|  | Expect.equals(10, foo(20, 10)); | 
|  |  | 
|  | baz_clicks = 0; | 
|  | Expect.equals(11, bar()); | 
|  | } |