// 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;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Testing.xunit;
using Xunit;

namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
{
    [SkipIfHostableWebCoreNotAvailable]
    [OSSkipCondition(OperatingSystems.Windows, WindowsVersions.Win7, "https://github.com/aspnet/IISIntegration/issues/866")]
    public class HttpBodyControlFeatureTests : StrictTestServerTests
    {
        [ConditionalFact]
        public async Task ThrowsOnSyncReadOrWrite()
        {
            Exception writeException = null;
            Exception readException = null;
            using (var testServer = await TestServer.Create(
                ctx => {
                    var bodyControl = ctx.Features.Get<IHttpBodyControlFeature>();
                    bodyControl.AllowSynchronousIO = false;

                    try
                    {
                        ctx.Response.Body.Write(new byte[10]);
                    }
                    catch (Exception ex)
                    {
                        writeException = ex;
                    }

                    try
                    {
                        ctx.Request.Body.Read(new byte[10]);
                    }
                    catch (Exception ex)
                    {
                        readException = ex;
                    }

                    return Task.CompletedTask;
                }, LoggerFactory))
            {
                await testServer.HttpClient.GetStringAsync("/");
            }

            Assert.IsType<InvalidOperationException>(readException);
            Assert.IsType<InvalidOperationException>(writeException);
        }
    }
}