blob: 4666d81c93f1b8ffb1c5404174b5e46bd3485983 [file] [log] [blame]
// 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
// Requirements=nnbd-strong
import "../../Utils/expect.dart";
class C {
List<int> _list = [3, 1, 4];
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(43, c1[1] += 42);
}
C c2 = new C();
Expect.equals(45, c2[0] += 42);
}