| // Copyright (c) 2019, 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. |
| |
| // Test that environment constants in field initializers work properly. |
| |
| import "package:expect/expect.dart"; |
| |
| const int gx = |
| const bool.hasEnvironment("x") ? const int.fromEnvironment("x") : null; |
| |
| class A { |
| final int x = gx; |
| final int y = |
| const bool.hasEnvironment("y") ? const int.fromEnvironment("y") : null; |
| const A(); |
| } |
| |
| main() { |
| const a = const A(); |
| Expect.isTrue(a.x == null || a.x != null); |
| Expect.isTrue(a.y == null || a.y != null); |
| } |