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Change-Id: Icb4eae77fab5257ea00ff948d3f775725398e6ab Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142067 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
27 lines
717 B
Dart
27 lines
717 B
Dart
// Copyright (c) 2016, 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 Implementation {
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dynamic method(int x) {}
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}
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abstract class Interface<T> {
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dynamic method(T x);
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}
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class Subclass extends Implementation implements Interface<int> {}
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typedef dynamic TakeNum(num x);
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main() {
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Subclass subclass = new Subclass();
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Interface<int> intInterface = subclass;
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Interface<num> numInterface = intInterface;
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TakeNum f = numInterface.method;
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Expect.throws(() => f(2.5));
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dynamic f2 = f;
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Expect.throws(() => f2(2.5));
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}
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