| // Copyright (c) 2018, 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 From the Constant-update-2018 Spec: |
| /// The operator [>>>] is now allowed in a potentially constant expression, and |
| /// it is valid in constant expression if its left and right operands are [int] |
| /// instances, and the operation doesn't throw. The [>>>] operator has not been |
| /// added to the [int] class yet, so unless the left-hand operand's static type |
| /// is [dynamic], the program will still be rejected. When the operator is added, |
| /// it should then also work in a constant expression. |
| /// @description Checks that arguments of [>>>] operator should be non-negative |
| /// (see co19 Issue #355 for more details). |
| /// @author iarkh@unipro.ru |
| |
| // SharedOptions=--enable-experiment=triple-shift |
| |
| const d1 = 2; |
| const d2 = 14; |
| const d3 = 0; |
| |
| const d4 = -1000; |
| const d5 = -9; |
| |
| class MyClass { |
| final int a; |
| const MyClass(i1, i2) : a = (i1 >>> i2); |
| } |
| |
| main() { |
| const MyClass c1 = MyClass(d1, d4); //# 01: compile-time error |
| const MyClass c2 = MyClass(d2, d5); //# 02: compile-time error |
| const MyClass c3 = MyClass(11, -133); //# 03: compile-time error |
| const MyClass c4 = MyClass(-2525, -19999); //# 04: compile-time error |
| const MyClass c5 = MyClass(0, -4); //# 05: compile-time error |
| } |
