| // Copyright (c) 2011, 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. |
| |
| /** |
| * @assertion A constant expression is an expression whose value can never |
| * change, and that can be evaluated entirely at compile time. |
| * A constant expression is one of the following: |
| * . . . |
| * • An expression of the form e1?e2:e3 where where e1, e2 and e3 are constant |
| * expressions and e1 evaluates to a boolean value. |
| * @description Checks that if e1 does not evaluate to boolean then conditional |
| * expression is not a constant expression. |
| * @compile-error |
| * @author ilya |
| */ |
| |
| const x = true; |
| const y = null ? true : 1; |
| |
| main() { |
| y; |
| } |
