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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
34 lines
968 B
Dart
34 lines
968 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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// @dart = 2.9
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import "package:expect/expect.dart";
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import 'dart:collection';
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class MyList extends ListBase {
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final list;
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MyList(this.list);
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get length => list.length;
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set length(val) {
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list.length = val;
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}
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operator [](index) => list[index];
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operator []=(index, val) => list[index] = val;
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}
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main() {
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Expect.equals("[]", [].toString());
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Expect.equals("[1]", [1].toString());
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Expect.equals("[1, 2]", [1, 2].toString());
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Expect.equals("[]", const [].toString());
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Expect.equals("[1]", const [1].toString());
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Expect.equals("[1, 2]", const [1, 2].toString());
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Expect.equals("[]", new MyList([]).toString());
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Expect.equals("[1]", new MyList([1]).toString());
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Expect.equals("[1, 2]", new MyList([1, 2]).toString());
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}
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