LibTest/async/Stream/join_A02_t01.test.dart

// 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.

// @dart = 2.9

/// @assertion Future<String> join([String separator = ""])
/// Any error in the stream causes the future to complete with that error.
/// Otherwise it completes with the collected string when the "done" event
/// arrives.
/// @description Checks that an error in a stream causes the future to complete
/// with that error.
/// @author ilya

library join_A02_t01;
import "dart:async";
import "../../../Utils/expect.dart";

void test(CreateStreamWithErrorsFunction create) {
  Error error = new Error();
  Stream s = create([1, 2, error, 4, 5], isError: (e) => e is Error);

  AsyncExpect.error(error, s.join());
}