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Change-Id: I1783f624c7ce7d3b962c301c27ac0f4422d7c28f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126824 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
27 lines
625 B
Dart
27 lines
625 B
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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class A {
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const A();
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}
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class B extends A {
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const B();
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}
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main() {
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var map1 = new Map<B, B>();
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map1[const B()] = const B();
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var map2 = new Map<B, B>();
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var list = <B>[const B()];
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var maps = [map1, map2];
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for (var map in maps) {
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// Test that the map accepts a key is not of the same type:
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// Map<B, ?>[A]
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Expect.isNull(map[new A()]);
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}
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}
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