dart-sdk/tests/language_2/mixin/and_extension_member_test.dart
Robert Nystrom fc1b1ecc71 Move files under language_2 into subdirectories.
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2019-12-11 19:18:00 +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';
class 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);
}