blob: 87d3ddd6420054227eeb5876802217f6c24e8644 [file] [log] [blame]
// Copyright (c) 2019, 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';
abstract class A<T> {
foo(T x);
abstract class B<T> implements A<T> {}
class C {
foo(num x) {
if (x is! num) {
throw "Soundness issue: expected x to be num, got ${x.runtimeType}.";
class D<T extends num> extends C with B<T> {}
class E<T extends num> = C with B<T>;
test(B<dynamic> b) {"bar");
main() {
Expect.throws<TypeError>(() => test(new D<int>()));
Expect.throws<TypeError>(() => test(new E<int>()));