using System; using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.DependencyInjection; using Xunit; namespace Microsoft.AspNetCore.SignalR.Tests { public class MapSignalRTests { [Fact] public void MapSignalRFailsForInvalidHub() { var ex = Assert.Throws(() => { var builder = new WebHostBuilder() .UseKestrel() .ConfigureServices(services => { services.AddSignalR(); }) .Configure(app => { app.UseSignalR(options => options.MapHub("overloads")); }) .Build(); }); Assert.Equal("Duplicate definitions of 'OverloadedMethod'. Overloading is not supported.", ex.Message); } private class InvalidHub : Hub { public void OverloadedMethod(int num) { } public void OverloadedMethod(string message) { } } } }