blob: 84f02ae65106f2a143ee21f20e03f2f05f71116c [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.
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() ];
Map<int, B> map3 = list.asMap();
var maps = [map1, map2, map3];
for (var map in maps) {
// Test that the map accepts a value is not of the same type:
// Map<?, B>.containsValue(A)
Expect.isFalse(map.containsValue(new A()));