blob: 2a6d3de11f976f1ef8c063d62c7c50d79a3f9850 [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.
library stream_controller_async_test;
import "package:expect/expect.dart";
import 'dart:async';
import 'package:unittest/unittest.dart';
import 'event_helper.dart';
import 'stream_state_helper.dart';
class A {
const A();
}
class B extends A {
const B();
}
main() {
Events sentEvents = new Events()..close();
// Make sure that lastWhere allows to return instances of types that are
// different than the generic type of the stream.
test("lastWhere with super class", () {
StreamController c = new StreamController<B>();
Future f = c.stream.lastWhere((x) => false, defaultValue: () => const A());
f.then(expectAsync((v) {
Expect.equals(const A(), v);
}));
sentEvents.replay(c);
});
}