Add tests for "half-portable" scenario

TestAssets/DesktopTestProjects/DesktopKestrelSample/src/Startup.cs

@@ -0,0 +1,88 @@
+// 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.IO;
+using System.Security.Cryptography.X509Certificates;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Server.Kestrel;
+using Microsoft.AspNetCore.Server.Kestrel.Filter;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.PlatformAbstractions;
+
+namespace SampleApp
+{
+    public class Startup
+    {
+        private static string Args { get; set; }
+        private static CancellationTokenSource ServerCancellationTokenSource { get; set; }
+
+        public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory, IApplicationEnvironment env)
+        {
+            var ksi = app.ServerFeatures.Get<IKestrelServerInformation>();
+            ksi.NoDelay = true;
+
+            loggerFactory.AddConsole(LogLevel.Error);
+
+            app.UseKestrelConnectionLogging();
+
+            app.Run(async context =>
+            {
+                Console.WriteLine("{0} {1}{2}{3}",
+                    context.Request.Method,
+                    context.Request.PathBase,
+                    context.Request.Path,
+                    context.Request.QueryString);
+                Console.WriteLine($"Method: {context.Request.Method}");
+                Console.WriteLine($"PathBase: {context.Request.PathBase}");
+                Console.WriteLine($"Path: {context.Request.Path}");
+                Console.WriteLine($"QueryString: {context.Request.QueryString}");
+
+                var connectionFeature = context.Connection;
+                Console.WriteLine($"Peer: {connectionFeature.RemoteIpAddress?.ToString()} {connectionFeature.RemotePort}");
+                Console.WriteLine($"Sock: {connectionFeature.LocalIpAddress?.ToString()} {connectionFeature.LocalPort}");
+
+                var content = $"Hello world!{Environment.NewLine}Received '{Args}' from command line.";
+                context.Response.ContentLength = content.Length;
+                context.Response.ContentType = "text/plain";
+                await context.Response.WriteAsync(content);
+            });
+        }
+
+        public static int Main(string[] args)
+        {
+            if (args.Length == 0)
+            {
+                Console.WriteLine("KestrelHelloWorld <url to host>");
+                return 1;
+            }
+
+            var url = new Uri(args[0]);
+            Args = string.Join(" ", args);
+
+            var host = new WebHostBuilder()
+                .UseServer("Microsoft.AspNetCore.Server.Kestrel")
+                .UseUrls(url.ToString())
+                .UseStartup<Startup>()
+                .Build();
+
+            ServerCancellationTokenSource = new CancellationTokenSource();
+
+            // shutdown server after 20s.
+            var shutdownTask = Task.Run(async () =>
+            {
+                await Task.Delay(20000);
+                ServerCancellationTokenSource.Cancel();
+            });
+
+            host.Run(ServerCancellationTokenSource.Token);
+            shutdownTask.Wait();
+
+            return 0;
+        }
+    }
+}