| /* | |
| * 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 Relational expressions invoke the relational operators on objects. | |
| * relationalExpression: | |
| * bitwiseOrExpression (typeTest | typeCast | relationalOperator | |
| * bitwiseOrExpression)? | | |
| * super relationalOperator bitwiseOrExpression | |
| * ; | |
| * relationalOperator: | |
| * '>=' | | |
| * '>' | | |
| * '<=' | | |
| * '<' | |
| * ; | |
| * A relational expression is either a bitwise expression, or an invocation of | |
| * a relational operator on either super or an expression e1, with argument e2. | |
| * @description Checks that a relational expression cannot be the operand of | |
| * another relational expression. | |
| * @compile-error | |
| * @author msyabro | |
| */ | |
| main() { | |
| 1 <= 2 <= 3; | |
| } |