|  | // Copyright (c) 2012, 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. | 
|  | // VMOptions=--optimization-counter-threshold=10 --no-use-osr | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | // Test checked mode assertions inside loops. | 
|  |  | 
|  | int foo(x, n) { | 
|  | double z = 0.0; | 
|  | for (var i = 0; i < n; i++) { | 
|  | double z = x; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | for (var i = 0; i < 20; i++) foo(1.0, 10); | 
|  | Expect.equals(0, foo(1.0, 10)); | 
|  | Expect.equals(0, foo(2, 0)); // Must not throw in checked mode. | 
|  | } |