dart-sdk/tests/corelib_2/list_to_string_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
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>
2021-04-26 17:58:57 +00:00

34 lines
968 B
Dart

// Copyright (c) 2013, 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.
// @dart = 2.9
import "package:expect/expect.dart";
import 'dart:collection';
class MyList extends ListBase {
final list;
MyList(this.list);
get length => list.length;
set length(val) {
list.length = val;
}
operator [](index) => list[index];
operator []=(index, val) => list[index] = val;
}
main() {
Expect.equals("[]", [].toString());
Expect.equals("[1]", [1].toString());
Expect.equals("[1, 2]", [1, 2].toString());
Expect.equals("[]", const [].toString());
Expect.equals("[1]", const [1].toString());
Expect.equals("[1, 2]", const [1, 2].toString());
Expect.equals("[]", new MyList([]).toString());
Expect.equals("[1]", new MyList([1]).toString());
Expect.equals("[1, 2]", new MyList([1, 2]).toString());
}