// Copyright (c) 2017, 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 void writeAll(Iterable objects, [String separator = ""])
/// Iterates over the given [objects] and writes them in sequence.
/// @description Checks that [writeAll] throws [Error] if [encoding] is [null].
/// @author iarkh@unipro.ru

import "../../../Utils/expect.dart";
import "dart:io";

test(Stdout sink) {
  List objects = ["Testme"];
  sink.encoding = null;
  Expect.throws(() { sink.writeAll(objects); }, (e) => e is NoSuchMethodError);
}

main() {
  test(stdout);
  test(stderr);
}