src/Http/Http.Extensions/test/TestStream.cs


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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;

namespace Microsoft.AspNetCore.Http.Extensions.Tests;

public class TestStream : Stream
{
    public override bool CanRead { get; }
    public override bool CanSeek { get; }
    public override bool CanWrite { get; }
    public override long Length { get; }
    public override long Position { get; set; }

    public override void Flush()
    {
        throw new NotImplementedException();
    }

    public override int Read(byte[] buffer, int offset, int count)
    {
        throw new NotImplementedException();
    }

    public override long Seek(long offset, SeekOrigin origin)
    {
        throw new NotImplementedException();
    }

    public override void SetLength(long value)
    {
        throw new NotImplementedException();
    }

    public override void Write(byte[] buffer, int offset, int count)
    {
        throw new NotImplementedException();
    }

    public override ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken = default)
    {
        var tcs = new TaskCompletionSource<int>();
        cancellationToken.Register(s => ((TaskCompletionSource<int>)s).SetCanceled(), tcs);
        return new ValueTask<int>(tcs.Task);
    }

    public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default)
    {
        var tcs = new TaskCompletionSource<int>();
        cancellationToken.Register(s => ((TaskCompletionSource<int>)s).SetCanceled(), tcs);
        return new ValueTask(tcs.Task);
    }
}