BindaTests.Tests.CollectionBindingTests.When_binding_an_object_to_a_form_with_a_property_and_a_key_value_pair_collection C# (CSharp) Method

        public void When_binding_an_object_to_a_form_with_a_property_and_a_key_value_pair_collection()
        {
            var binder = new Binder();
            binder.AddControlPrefix(new HungarianNotationControlPrefix());

            var post = NeededObjectsFactory.CreatePost();
            post.Categories.Add(new KeyValuePair<int, string>(123, "Toast"));
            post.Categories.Add(new KeyValuePair<int, string>(8915, "Waffles"));
            post.Categories.Add(new KeyValuePair<int, string>(56123, "Pizza"));
            post.Category = 56123;

            var form = new PostWithOptionsPrefixForm();
            binder.AddRegistration(new KeyValueListStrategy(), form.cboCategory);
            binder.Bind(post, form);

            Assert.That(form.cboCategory.DataSource, Is.SameAs(post.Categories));
            Assert.That(form.cboCategory.SelectedValue, Is.EqualTo(post.Category));
        }