| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion The [??] operator only evaluates its second operand if the first |
| /// evaluates to [null], and the second operand must be a potentially constant |
| /// expression. |
| /// @description Checks that operator exception is thrown if the first [??] is |
| /// not [null] and the second one is incorrect in potentially constant |
| /// expression. |
| /// @author iarkh@unipro.ru |
| |
| class MyClass { |
| final int a; |
| const MyClass(int i1, String i2) : a = (i1 ?? i2.length + "abc"); |
| // ^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| main() { |
| } |
