src/Servers/HttpSys/test/FunctionalTests/Http2Tests.cs - main - githubmirror/aspnetcore

src/Servers/HttpSys/test/FunctionalTests/Http2Tests.cs
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Replace VS2026 Pre Scout Helix queue names (#67141)
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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.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Http2Cat;
using Microsoft.AspNetCore.Server;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2;
using Microsoft.AspNetCore.InternalTesting;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Net.Http.Headers;
using Xunit;

namespace Microsoft.AspNetCore.Server.HttpSys.FunctionalTests;

public class Http2Tests : LoggedTest
{
    private const string VersionForReset = "10.0.19529";

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task EmptyResponse_200()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            var feature = httpContext.Features.Get<IHttpUpgradeFeature>();
            Assert.False(feature.IsUpgradableRequest);
            Assert.False(httpContext.Request.CanHaveBody());
            // Default 200
            return Task.CompletedTask;
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalTheory]
    [InlineData("POST")]
    [InlineData("PUT")]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task RequestWithoutData_LengthRequired_Rejected(string method)
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            throw new NotImplementedException();
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                var headers = new[]
                {
                        new KeyValuePair<string, string>(InternalHeaderNames.Method, method),
                        new KeyValuePair<string, string>(InternalHeaderNames.Path, "/"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Scheme, "https"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Authority, "localhost:80"),
                };

                await h2Connection.StartStreamAsync(1, headers, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("411", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 344);
                dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalTheory]
    [InlineData("GET")]
    [InlineData("HEAD")]
    [InlineData("PATCH")]
    [InlineData("DELETE")]
    [InlineData("CUSTOM")]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task RequestWithoutData_Success(string method)
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            Assert.True(HttpMethods.Equals(method, httpContext.Request.Method));
            Assert.False(httpContext.Request.CanHaveBody());
            Assert.Null(httpContext.Request.ContentLength);
            Assert.False(httpContext.Request.Headers.ContainsKey(HeaderNames.TransferEncoding));
            return Task.CompletedTask;
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                var headers = new[]
                {
                        new KeyValuePair<string, string>(InternalHeaderNames.Method, method),
                        new KeyValuePair<string, string>(InternalHeaderNames.Path, "/"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Scheme, "https"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Authority, "localhost:80"),
                };

                await h2Connection.StartStreamAsync(1, headers, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalTheory]
    [InlineData("GET")]
    // [InlineData("HEAD")] Reset with code HTTP_1_1_REQUIRED
    [InlineData("POST")]
    [InlineData("PUT")]
    [InlineData("PATCH")]
    [InlineData("DELETE")]
    [InlineData("CUSTOM")]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task RequestWithDataAndContentLength_Success(string method)
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            Assert.True(HttpMethods.Equals(method, httpContext.Request.Method));
            Assert.True(httpContext.Request.CanHaveBody());
            Assert.Equal(11, httpContext.Request.ContentLength);
            Assert.False(httpContext.Request.Headers.ContainsKey(HeaderNames.TransferEncoding));
            return httpContext.Request.Body.CopyToAsync(httpContext.Response.Body);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                var headers = new[]
                {
                        new KeyValuePair<string, string>(InternalHeaderNames.Method, method),
                        new KeyValuePair<string, string>(InternalHeaderNames.Path, "/"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Scheme, "https"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Authority, "localhost:80"),
                        new KeyValuePair<string, string>(HeaderNames.ContentLength, "11"),
                };

                await h2Connection.StartStreamAsync(1, headers, endStream: false);

                await h2Connection.SendDataAsync(1, Encoding.UTF8.GetBytes("Hello World"), endStream: true);

                // Http.Sys no longer sends a window update here on later versions.
                if (Environment.OSVersion.Version < new Version(10, 0, 19041, 0))
                {
                    var windowUpdate = await h2Connection.ReceiveFrameAsync();
                    Assert.Equal(Http2FrameType.WINDOW_UPDATE, windowUpdate.Type);
                }

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 11);
                Assert.Equal("Hello World", Encoding.UTF8.GetString(dataFrame.Payload.Span));

                dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalTheory]
    [InlineData("GET")]
    // [InlineData("HEAD")] Reset with code HTTP_1_1_REQUIRED
    [InlineData("POST")]
    [InlineData("PUT")]
    [InlineData("PATCH")]
    [InlineData("DELETE")]
    [InlineData("CUSTOM")]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task RequestWithDataAndNoContentLength_Success(string method)
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            Assert.True(HttpMethods.Equals(method, httpContext.Request.Method));
            Assert.True(httpContext.Request.CanHaveBody());
            Assert.Null(httpContext.Request.ContentLength);
            // The client didn't send this header, Http.Sys added it for back compat with HTTP/1.1.
            Assert.Equal("chunked", httpContext.Request.Headers.TransferEncoding);
            return httpContext.Request.Body.CopyToAsync(httpContext.Response.Body);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                var headers = new[]
                {
                        new KeyValuePair<string, string>(InternalHeaderNames.Method, method),
                        new KeyValuePair<string, string>(InternalHeaderNames.Path, "/"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Scheme, "https"),
                        new KeyValuePair<string, string>(InternalHeaderNames.Authority, "localhost:80"),
                };

                await h2Connection.StartStreamAsync(1, headers, endStream: false);

                await h2Connection.SendDataAsync(1, Encoding.UTF8.GetBytes("Hello World"), endStream: true);

                // Http.Sys no longer sends a window update here on later versions.
                if (Environment.OSVersion.Version < new Version(10, 0, 19041, 0))
                {
                    var windowUpdate = await h2Connection.ReceiveFrameAsync();
                    Assert.Equal(Http2FrameType.WINDOW_UPDATE, windowUpdate.Type);
                }

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 11);
                Assert.Equal("Hello World", Encoding.UTF8.GetString(dataFrame.Payload.Span));

                dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task ResponseWithData_Success()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            return httpContext.Response.WriteAsync("Hello World");
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 11);

                dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact(Skip = "https://github.com/dotnet/aspnetcore/issues/17420")]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    [MaximumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_19H1, SkipReason = "This is last version without GoAway support")]
    public async Task ConnectionClose_NoOSSupport_NoGoAway()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            httpContext.Response.Headers.Connection = "close";
            return Task.FromResult(0);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, endStream: true, decodedHeaders =>
                {
                    // HTTP/2 filters out the connection header
                    Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                // Send and receive a second request to ensure there is no GoAway frame on the wire yet.

                await h2Connection.StartStreamAsync(3, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(3, endStream: true, decodedHeaders =>
                {
                    // HTTP/2 filters out the connection header
                    Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                await h2Connection.StopConnectionAsync(expectedLastStreamId: 1, ignoreNonGoAwayFrames: false);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_19H2, SkipReason = "GoAway support was added in Win10_19H2.")]
    public async Task ConnectionHeaderClose_OSSupport_SendsGoAway()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            httpContext.Response.Headers.Connection = "close";
            return Task.FromResult(0);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                var goAwayFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    // HTTP/2 filters out the connection header
                    Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                // Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_19H2, SkipReason = "GoAway support was added in Win10_19H2.")]
    public async Task ConnectionRequestClose_OSSupport_SendsGoAway()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            httpContext.Connection.RequestClose();
            return Task.FromResult(0);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                var goAwayFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    // HTTP/2 filters out the connection header
                    Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                // Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_19H2, SkipReason = "GoAway support was added in Win10_19H2.")]
    public async Task ConnectionClose_AdditionalRequests_ReceivesSecondGoAway()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            httpContext.Response.Headers.Connection = "close";
            return Task.FromResult(0);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                var streamId = 1;
                await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);

                var goAwayFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyGoAway(goAwayFrame, int.MaxValue, Http2ErrorCode.NO_ERROR);

                await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
                {
                    // HTTP/2 filters out the connection header
                    Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);

                // Http.Sys doesn't send a final GoAway unless we ignore the first one and send 200 additional streams.

                for (var i = 1; i < 200; i++)
                {
                    streamId = 1 + (i * 2); // Odds.
                    await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);

                    await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
                    {
                        // HTTP/2 filters out the connection header
                        Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                        Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                    });

                    dataFrame = await h2Connection.ReceiveFrameAsync();
                    Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);
                }

                streamId = 1 + (200 * 2); // Odds.
                await h2Connection.StartStreamAsync(streamId, Http2Utilities.BrowserRequestHeaders, endStream: true);

                // Final GoAway
                goAwayFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyGoAway(goAwayFrame, streamId, Http2ErrorCode.NO_ERROR);

                // Normal response
                await h2Connection.ReceiveHeadersAsync(streamId, decodedHeaders =>
                {
                    // HTTP/2 filters out the connection header
                    Assert.False(decodedHeaders.ContainsKey(HeaderNames.Connection));
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, streamId, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    public async Task AppException_BeforeResponseHeaders_500()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            throw new Exception("Application exception");
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("500", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    [MaximumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_20H1, SkipReason = "This is last version without custom Reset support")]
    [SkipOnHelix("https://github.com/dotnet/aspnetcore/issues/50916", Queues = "Windows.Amd64.VS2026.Open")]
    public async Task AppException_AfterHeaders_PriorOSVersions_ResetCancel()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            await httpContext.Response.Body.FlushAsync();
            throw new Exception("Application exception");
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, Http2ErrorCode.CANCEL);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task AppException_AfterHeaders_ResetInternalError()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            await httpContext.Response.Body.FlushAsync();
            throw new Exception("Application exception");
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var frame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(frame, expectedStreamId: 1, Http2ErrorCode.INTERNAL_ERROR);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    public async Task Reset_Http1_NotSupported()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            Assert.Equal("HTTP/1.1", httpContext.Request.Protocol);
            var feature = httpContext.Features.Get<IHttpResetFeature>();
            Assert.Null(feature);
            return httpContext.Response.WriteAsync("Hello World");
        }, LoggerFactory);

        var handler = new HttpClientHandler();
        handler.ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator;
        using HttpClient client = new HttpClient(handler);
        client.DefaultRequestVersion = HttpVersion.Version11;
        var response = await client.GetStringAsync(address);
        Assert.Equal("Hello World", response);
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10, SkipReason = "Http2 requires Win10")]
    [MaximumOSVersion(OperatingSystems.Windows, WindowsVersions.Win10_20H2, SkipReason = "This is last version without Reset support")]
    [SkipOnHelix("https://github.com/dotnet/aspnetcore/issues/50916", Queues = "Windows.Amd64.VS2026.Open")]
    public async Task Reset_PriorOSVersions_NotSupported()
    {
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            Assert.Equal("HTTP/2", httpContext.Request.Protocol);
            var feature = httpContext.Features.Get<IHttpResetFeature>();
            Assert.Null(feature);
            return httpContext.Response.WriteAsync("Hello World");
        }, LoggerFactory);

        var handler = new HttpClientHandler();
        handler.ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator;
        using HttpClient client = new HttpClient(handler);
        client.DefaultRequestVersion = HttpVersion.Version20;
        var response = await client.GetStringAsync(address);
        Assert.Equal("Hello World", response);
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_BeforeResponse_Resets()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);
                feature.Reset(1111); // Custom
                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
            return Task.FromResult(0);
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: (Http2ErrorCode)1111);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_AfterResponseHeaders_Resets()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);
                await httpContext.Response.Body.FlushAsync();
                feature.Reset(1111); // Custom
                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: (Http2ErrorCode)1111);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_DurringResponseBody_Resets()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);
                await httpContext.Response.WriteAsync("Hello World");
                feature.Reset(1111); // Custom
                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 11);

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: (Http2ErrorCode)1111);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_AfterCompleteAsync_NoReset()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);
                await httpContext.Response.WriteAsync("Hello World");
                await httpContext.Response.CompleteAsync();
                // The request and response are fully complete, the reset doesn't get sent.
                feature.Reset(1111);
                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.BrowserRequestHeaders, endStream: true);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: false, length: 11);

                dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_BeforeRequestBody_Resets()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);
                var readTask = httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);

                feature.Reset(1111);

                await Assert.ThrowsAsync<IOException>(() => readTask);

                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.PostRequestHeaders, endStream: false);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: (Http2ErrorCode)1111);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_DurringRequestBody_Resets()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);

                var read = await httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);
                Assert.Equal(10, read);

                var readTask = httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);
                feature.Reset(1111);
                await Assert.ThrowsAsync<IOException>(() => readTask);

                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.PostRequestHeaders, endStream: false);
                await h2Connection.SendDataAsync(1, new byte[10], endStream: false);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: (Http2ErrorCode)1111);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }

    [ConditionalFact]
    [MinimumOSVersion(OperatingSystems.Windows, VersionForReset)]
    public async Task Reset_CompleteAsyncDurringRequestBody_Resets()
    {
        var appResult = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
        using var server = Utilities.CreateDynamicHttpsServer(out var address, async httpContext =>
        {
            try
            {
                Assert.Equal("HTTP/2", httpContext.Request.Protocol);
                var feature = httpContext.Features.Get<IHttpResetFeature>();
                Assert.NotNull(feature);

                var read = await httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);
                Assert.Equal(10, read);

                var readTask = httpContext.Request.Body.ReadAsync(new byte[10], 0, 10);
                await httpContext.Response.CompleteAsync();
                feature.Reset((int)Http2ErrorCode.NO_ERROR); // GRPC does this
                await Assert.ThrowsAsync<IOException>(() => readTask);

                appResult.SetResult(0);
            }
            catch (Exception ex)
            {
                appResult.SetException(ex);
            }
        }, LoggerFactory);

        await new HostBuilder()
            .UseHttp2Cat(address, async h2Connection =>
            {
                await h2Connection.InitializeConnectionAsync();

                h2Connection.Logger.LogInformation("Initialized http2 connection. Starting stream 1.");

                await h2Connection.StartStreamAsync(1, Http2Utilities.PostRequestHeaders, endStream: false);
                await h2Connection.SendDataAsync(1, new byte[10], endStream: false);

                // Any app errors?
                Assert.Equal(0, await appResult.Task.DefaultTimeout());

                await h2Connection.ReceiveHeadersAsync(1, decodedHeaders =>
                {
                    Assert.Equal("200", decodedHeaders[InternalHeaderNames.Status]);
                });

                var dataFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyDataFrame(dataFrame, 1, endOfStream: true, length: 0);

                var resetFrame = await h2Connection.ReceiveFrameAsync();
                Http2Utilities.VerifyResetFrame(resetFrame, expectedStreamId: 1, expectedErrorCode: Http2ErrorCode.NO_ERROR);

                h2Connection.Logger.LogInformation("Connection stopped.");
            })
            .Build().RunAsync();
    }
}