// Copyright (c) .NET Foundation. All rights reserved. // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. using System.Text; namespace Cli.FunctionalTests.Util { public class ConcurrentStringBuilder { private StringBuilder _stringBuilder = new StringBuilder(); private object _lock = new object(); public void AppendLine() { lock (_lock) { _stringBuilder.AppendLine(); } } public void AppendLine(string data) { lock (_lock) { _stringBuilder.AppendLine(data); } } public override string ToString() { lock (_lock) { return _stringBuilder.ToString(); } } } }