Robert Nystrom
1d7033aa4b
Change-Id: Ib7913221d11f795be8e415c10cbeb6a6f02143af Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151465 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>
41 lines
973 B
Dart
41 lines
973 B
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test for operator[] resolved in the super class.
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import "package:expect/expect.dart";
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class A {
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var indexField = <int?>[null, null];
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operator [](index) => indexField[index];
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}
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class B extends A {
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operator []=(index, value) {
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indexField[index] = value;
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}
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}
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class C extends B {
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test() {
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Expect.equals(42, super[0] = 42);
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Expect.equals(42, super[0]);
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Expect.equals(43, super[0] += 1);
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Expect.equals(43, super[0]);
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Expect.equals(43, super[0]++);
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Expect.equals(44, super[0]);
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Expect.equals(2, super[0] = 2);
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Expect.equals(2, super[0]);
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Expect.equals(3, super[0] += 1);
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Expect.equals(3, super[0]);
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Expect.equals(3, super[0]++);
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Expect.equals(4, super[0]);
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}
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}
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main() {
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new C().test();
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}
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