blob: 836daf000471be974ad328f278f6ca7abf2e5023 [file] [log] [blame]
// Copyright (c) 2018, 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.
// Test that TypeErrors for async* methods happen without using returned Stream.
import 'dart:async';
import 'package:expect/expect.dart';
class D<T> {
// Parametric covariance check is usually compiled into method.
Stream<T> add(T n) async* {
yield n;
main() async {
D<num> d = new D<int>();
Expect.throwsTypeError(() => d.add(4.6));