| /* |
| * Copyright (c) 2019, 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 If e1 translates to F then e1[e2] = e3 translates to: |
| * PASSTHRU[F, fn[x] => x[EXP(e2)] = EXP(e3)] |
| * |
| * The other assignment operators are handled equivalently. |
| * |
| * @description Check that if e1 translates to F then e1[e2] |= e3 translates |
| * to: PASSTHRU[F, fn[x] => x[EXP(e2)] |= EXP(e3)] |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| // Requirements=nnbd-strong |
| import "../../Utils/expect.dart"; |
| |
| class C { |
| List<int> _list = [3, 1, 4, 1, 5, 9]; |
| int operator[](int index) => _list[index]; |
| void operator[]=(int index, dynamic value) => _list[index] = value; |
| } |
| |
| main() { |
| C? c1 = new C(); |
| if (c1 != null) { |
| Expect.equals(13, c1[5] |= 4); |
| } |
| |
| C c2 = new C(); |
| Expect.equals(13, c2[5] |= 4); |
| } |