| /* | |
| * 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 conditional expression evaluates one of two expressions | |
| * based on a boolean condition. | |
| * conditionalExpression: | |
| * ifNullExpression ('?' expressionWithoutCascade ':' | |
| * expressionWithoutCascade)? | |
| * ; | |
| * @description Checks that '?' expression is necessary. | |
| * @compile-error | |
| * @author msyabro | |
| */ | |
| main() { | |
| try { | |
| true 1 : 2; | |
| } catch (e) {} | |
| } |