public void ConfigurationChangeIsCaught()
        {
            // --- Arrange
            var settings = new TypeResolverConfigurationSettings(
                (XElement)ConfigurationManager.GetSection(SECTION_NAME));
            var typeResolver = new TrivialTypeResolver();

            // --- Act
            TypeResolver.Configure(settings);
            var before = TypeResolver.Current;
            TypeResolver.Configure(typeResolver);
            var after = TypeResolver.Current;

            // --- Assert
            before.ShouldBeOfType(typeof (DefaultTypeResolver));
            _before.ShouldEqual(before);
            _configurationChangedVisited.ShouldBeTrue();
            after.ShouldEqual(typeResolver);
            _after.ShouldEqual(after);
        }
        public void ConfigurationWorksWithConcreteTypeResolver()
        {
            // --- Arrange
            var typeResolver = new TrivialTypeResolver();

            // --- Act
            var before = TypeResolver.Current;
            TypeResolver.Configure(typeResolver);
            var after = TypeResolver.Current;

            // --- Assert
            after.ShouldEqual(typeResolver);
            _configurationChangedVisited.ShouldBeTrue();
            before.ShouldBeNull();
            _before.ShouldBeNull();
            _after.ShouldEqual(after);
        }