// Copyright (c) 2013, 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 'dart:async';

import 'package:expect/async_helper.dart';
import 'package:expect/expect.dart';

import 'catch_errors.dart';

void main() {
  asyncStart();

  var events = [];
  bool onDoneWasCalled = false;
  var controller = StreamController();
  // Test that streams that are never closed keep the `catchError` alive.
  catchErrors(() {
    catchErrors(() {
      controller.stream
          .map((x) {
            throw x;
          })
          .listen((x) {
            // Should not happen.
            events.add("bad: $x");
          });
    }).listen(
      (x) {
        events.add("caught: $x");
      },
      onDone: () {
        events.add("done");
      },
    );
  }).listen(
    (x) {
      events.add("outer: $x");
    },
    onDone: () {
      onDoneWasCalled = true;
    },
  );

  [1, 2, 3, 4].forEach(controller.add);

  Timer(const Duration(milliseconds: 20), () {
    Expect.isFalse(onDoneWasCalled);
    Expect.listEquals([
      "caught: 1",
      "caught: 2",
      "caught: 3",
      "caught: 4",
    ], events);
    asyncEnd();
  });
}