| // 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: | |
| /// . . . | |
| /// • A literal string where any interpolated expression is a compile-time | |
| /// constant that evaluates to a numeric, string or boolean value or to null. | |
| /// @description Checks that a string literal that involves string interpolation, | |
| /// that evaluates to a bool value and is a constant expression can be assigned | |
| /// to a constant variable. | |
| /// @author msyabro | |
| import "../../../Utils/expect.dart"; | |
| const i1 = "${1 is int}"; | |
| const i2 = "${1 is String}"; | |
| main() { | |
| Expect.equals("true", i1); | |
| Expect.equals("false", i2); | |
| } |