PageTypeBuilder.Activation.TypedPageActivator.CreateAndPopulateTypedInstance C# (CSharp) Method

        public virtual TypedPageData CreateAndPopulateTypedInstance(PageData originalPage, Type typedType)
        {
            TypedPageData typedPage = CreateInstance(typedType);
            TypedPageData.PopuplateInstance(originalPage, typedPage);
            PropertyInfo[] properties = typedPage.GetType().GetPublicOrPrivateProperties();
            CreateAndPopulateNestedPropertyGroupInstances(typedPage, typedPage, properties, string.Empty);
            return typedPage;
        }

        public void GivenPageWithPropertyValueAndPropertyGroups_CreateAndPopulateTypedInstance_ReturnsTypedInstanceWithPropertyValues()
        {
            PageData sourcePage = new PageData();

            sourcePage.Property.Add("LongStringProperty", new PropertyString());
            sourcePage.SetValue("LongStringProperty", "one");
            sourcePage.Property.Add("ImageOne-ImageUrl", new PropertyString());
            sourcePage.SetValue("ImageOne-ImageUrl", "two");
            sourcePage.Property.Add("ImageOne-AltText", new PropertyString());
            sourcePage.SetValue("ImageOne-AltText", "three");
            sourcePage.Property.Add("ImageTwo-ImageUrl", new PropertyString());
            sourcePage.SetValue("ImageTwo-ImageUrl", "four");
            sourcePage.Property.Add("ImageTwo-AltText", new PropertyString());
            sourcePage.SetValue("ImageTwo-AltText", "five");
            sourcePage.Property.Add("ImageThree-ImageUrl", new PropertyString());
            sourcePage.SetValue("ImageThree-ImageUrl", "six");
            sourcePage.Property.Add("ImageThree-AltText", new PropertyString());
            sourcePage.SetValue("ImageThree-AltText", "seven");

            TypedPageActivator activator = new TypedPageActivator();

            TestPageTypeWithPropertyGroups page = activator.CreateAndPopulateTypedInstance(sourcePage, typeof(TestPageTypeWithPropertyGroups)) as TestPageTypeWithPropertyGroups;

            Assert.Equal("one", page.LongStringProperty);
            Assert.Equal("two", page.ImageOne.ImageUrl);
            Assert.Equal("three", page.ImageOne.AltText);
            Assert.Equal("four", page.ImageTwo.ImageUrl);
            Assert.Equal("five", page.ImageTwo.AltText);
            Assert.Equal("six", page.ImageThree.ImageUrl);
            Assert.Equal("seven", page.ImageThree.AltText);

        }