| // 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. |
| |
| // @dart = 2.7 |
| |
| // Regression test for issue 17210. |
| |
| import "package:expect/expect.dart"; |
| |
| void main() { |
| // Dart2js must use "-0.0" as if it was 0. In particular, it must do its |
| // range-analysis correctly. |
| var list = [1, 2, 3]; |
| if (new DateTime.now().millisecondsSinceEpoch == 42) list[1] = 4; |
| int sum = 0; |
| for (num i = -0.0; i < list.length; i++) { |
| sum += list[i]; |
| } |
| Expect.equals(6, sum); |
| } |