public void RegisterAll_NullRegistrationProvider()
 {
     var builder = new ContainerBuilder();
     var configurator = new AutofacContainerConfigurator(builder);
     var configurationSource = new NullConfigurationSource();
     Assert.Throws<ArgumentNullException>(() => configurator.RegisterAll(configurationSource, null));
 }
 private IContainer ExecuteRegisterAllOnValidConfigurator()
 {
     var builder = new ContainerBuilder();
     var configurator = new AutofacContainerConfigurator(builder);
     var configurationSource = new NullConfigurationSource();
     var rootProvider = new StubRegistrationProvider();
     configurator.RegisterAll(configurationSource, rootProvider);
     return builder.Build();
 }