Add forced https upgrade test

Author: Tratcher

test/Kestrel.FunctionalTests/AddressRegistrationTests.cs

@@ -191,6 +191,40 @@ private Task RegisterAddresses_Success(string addressInput, string testUrl, int
         private Task RegisterAddresses_StaticPort_Success(string addressInput, string[] testUrls) =>
             RunTestWithStaticPort(port => RegisterAddresses_Success($"{addressInput}:{port}", testUrls, port));
 
+        [Fact]
+        public async Task RegisterHttpAddress_UpradedToHttpsByConfigureEndpointDefaults()
+        {
+            var hostBuilder = TransportSelector.GetWebHostBuilder()
+                .UseKestrel(serverOptions =>
+                {
+                    serverOptions.ConfigureEndpointDefaults(listenOptions =>
+                    {
+                        listenOptions.UseHttps(TestResources.GetTestCertificate());
+                    });
+                })
+                .ConfigureLogging(_configureLoggingDelegate)
+                .UseUrls("http://127.0.0.1:0")
+                .Configure(app =>
+                {
+                    var serverAddresses = app.ServerFeatures.Get<IServerAddressesFeature>();
+                    app.Run(context =>
+                    {
+                        Assert.Single(serverAddresses.Addresses);
+                        return context.Response.WriteAsync(serverAddresses.Addresses.First());
+                    });
+                });
+
+            using (var host = hostBuilder.Build())
+            {
+                host.Start();
+
+                var expectedUrl = $"https://127.0.0.1:{host.GetPort()}";
+                var response = await HttpClientSlim.GetStringAsync(expectedUrl, validateCertificate: false);
+
+                Assert.Equal(expectedUrl, response);
+            }
+        }
+
         private async Task RunTestWithStaticPort(Func<int, Task> test)
         {
             var retryCount = 0;

test/Kestrel.Tests/KestrelConfigurationBuilderTests.cs

@@ -7,9 +7,7 @@
 using System.Security.Cryptography.X509Certificates;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
-using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
 using Microsoft.AspNetCore.Server.Kestrel.Https;
-using Microsoft.AspNetCore.Server.Kestrel.Internal;
 using Microsoft.AspNetCore.Testing;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;