public void Ctor_UrlSyndicationContent_Empty()
        {
            var original = new UrlSyndicationContent(new Uri("http://microsoft.com"), "mediaType");
            var clone    = new UrlSyndicationContentSubclass(original);

            Assert.Empty(clone.AttributeExtensions);
            Assert.Equal("mediaType", clone.Type);
            Assert.Equal(new Uri("http://microsoft.com"), clone.Url);
        }
        public void Ctor_UrlSyndicationContent_Full()
        {
            var original = new UrlSyndicationContent(new Uri("http://microsoft.com"), "mediaType");

            original.AttributeExtensions.Add(new XmlQualifiedName("name"), "value");

            var clone = new UrlSyndicationContentSubclass(original);

            Assert.NotSame(clone.AttributeExtensions, original.AttributeExtensions);
            Assert.Equal(1, clone.AttributeExtensions.Count);
            Assert.Equal("value", clone.AttributeExtensions[new XmlQualifiedName("name")]);

            Assert.Equal("mediaType", clone.Type);
            Assert.Equal(new Uri("http://microsoft.com"), clone.Url);
        }