#region License // Copyright (c) 2007 James Newton-King // // Permission is hereby granted, free of charge, to any person // obtaining a copy of this software and associated documentation // files (the "Software"), to deal in the Software without // restriction, including without limitation the rights to use, // copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following // conditions: // // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR // OTHER DEALINGS IN THE SOFTWARE. #endregion #if !(NET20 || NET35 || NET40 || PORTABLE || PORTABLE40) || NETSTANDARD1_3 || NETSTANDARD2_0 || NET6_0_OR_GREATER using System; using System.IO; using System.Text; using System.Threading; using System.Threading.Tasks; #if DNXCORE50 using System.Reflection; using Xunit; using Test = Xunit.FactAttribute; using Assert = Newtonsoft.Json.Tests.XUnitAssert; #else using NUnit.Framework; #endif namespace Newtonsoft.Json.Tests.Issues { [TestFixture] public class Issue1569 : TestFixtureBase { [Test] public async Task Test() { string json = "[1,2,3,456789999999999999999999999999999999999999999999999999999999999999456789999999999999999999999999999999999999999999999999999999999999456789999999999999999999999999999999999999999999999999999999999999]"; Stream s = new AsyncOnlyStream(new MemoryStream(Encoding.UTF8.GetBytes(json))); StreamReader sr = new StreamReader(s, Encoding.UTF8, true, 2); JsonTextReader reader = new JsonTextReader(sr); #if DEBUG reader.CharBuffer = new char[2]; #endif while (await reader.ReadAsync()) { } } public class AsyncOnlyStream : Stream { private readonly Stream _innerStream; public AsyncOnlyStream(Stream innerStream) { _innerStream = innerStream; } public override void Flush() { throw new NotSupportedException(); } public override Task FlushAsync(CancellationToken cancellationToken) { return _innerStream.FlushAsync(cancellationToken); } public override long Seek(long offset, SeekOrigin origin) { return _innerStream.Seek(offset, origin); } public override void SetLength(long value) { _innerStream.SetLength(value); } public override int Read(byte[] buffer, int offset, int count) { throw new NotSupportedException(); } public override Task ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) { return _innerStream.ReadAsync(buffer, offset, count, cancellationToken); } public override void Write(byte[] buffer, int offset, int count) { throw new NotSupportedException(); } public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) { return _innerStream.WriteAsync(buffer, offset, count, cancellationToken); } public override bool CanRead => _innerStream.CanRead; public override bool CanSeek => _innerStream.CanSeek; public override bool CanWrite => _innerStream.CanWrite; public override long Length => _innerStream.Length; public override long Position { get => _innerStream.Position; set => _innerStream.Position = value; } } } } #endif