| /* |
| * 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 An interpolated string "s1${e}s2" is equivalent to the |
| * concatenation of the strings "s1", e.toString() and "s2". |
| * @description Checks that it is a runtime error if e.toString() does not |
| * return an object of type string. |
| * @author msyabro |
| * @reviewer rodionov |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| class A { |
| toString() => 1; |
| } |
| |
| main() { |
| Expect.throws( () => "${new A()}"); |
| } |
