public void Index_ReturnsCachedModels()
{
HttpConfiguration config = new HttpConfiguration();
config.Routes.MapHttpRoute("Default", "{controller}/{id}", new { id = RouteParameter.Optional });
HelpController controller = new HelpController(config);
ViewResult result = Assert.IsType<ViewResult>(controller.Index());
ViewResult result2 = Assert.IsType<ViewResult>(controller.Index());
Assert.NotNull(result.Model);
Assert.NotNull(result2.Model);
// Make sure the model is cached
Assert.Same(config.Services.GetApiExplorer().ApiDescriptions, result.Model);
Assert.Same(result.Model, result2.Model);
}
