// Copyright (c) 2016, 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 String toString()
/// Returns a string representation of this object.
///
/// @description Checks that to String method returns the same string
/// representation of different EventSink objects.
/// @author ngl@unipro.ru

library toString_A01_t01;
import "dart:async";
import "../../../Utils/expect.dart";

test(EventSink create()) {
  EventSink es1 = create();
  EventSink es2 = create();

  Expect.isTrue(es1.toString() is String);
  Expect.isTrue(es2.toString() is String);
  Expect.notEquals(es1, es2);
  Expect.equals(es1.toString(), es2.toString());
}