dart-sdk/tests/language/mixin/and_extension_member_test.dart
Jake Macdonald 3b06df241f Clean up a number of 2.19 opt outs in language tests.
This is less than half of them, will send some other chunks later.

Bug:51557
Change-Id: I4e80812a689fde99e23c34b6405aaf57cd431ce8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/289261
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Jake Macdonald <jakemac@google.com>
2023-03-17 16:17:50 +00:00

33 lines
788 B
Dart

// Copyright (c) 2017, 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.
import 'dart:collection';
import 'package:expect/expect.dart';
mixin OverrideFirstGetter {
get first => 9999;
}
class ListMock extends ListBase with OverrideFirstGetter {
final _list = [];
int get length => _list.length;
void set length(int x) {
_list.length = x;
}
operator [](x) => _list[x];
void operator []=(x, y) {
_list[x] = y;
}
}
// Regression test for
// https://github.com/dart-lang/sdk/issues/29273#issuecomment-292384130
main() {
List x = new ListMock();
x.add(42);
Expect.equals(42, x[0]);
Expect.equals(9999, x.first);
}