blob: bfec31b09ca7316c8fdc7931bfe630083db7c8c5 [file] [log] [blame]
// Copyright (c) 2011, 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";
class A {
const A();
class B extends A {
const B();
main() {
var map1 = new Map<B, B>();
map1[const B()] = const B();
var map2 = new Map<B, B>();
var list = <B>[const B()];
var maps = [map1, map2];
for (var map in maps) {
// Test that the map accepts a key is not of the same type:
// Map<B, ?>.remove(A)
Expect.isNull(map.remove(new A()));