BloomTests.Publish.ExportEpubTests.CheckNavPage C# (CSharp) Method

        private void CheckNavPage()
        {
            XNamespace opf = "http://www.idpf.org/2007/opf";

            var navPage = _manifestDoc.Root.Element(opf + "manifest").Elements(opf + "item").Last().Attribute("href").Value;
            var navPageData = StripXmlHeader(GetZipContent(_epub, Path.GetDirectoryName(_manifestFile) + "/" + navPage));
            AssertThatXmlIn.String(navPageData)
                .HasAtLeastOneMatchForXpath(
                    "xhtml:html/xhtml:body/xhtml:nav[@epub:type='toc' and @id='toc']/xhtml:ol/xhtml:li/xhtml:a[@href='1.xhtml']", _ns);
        }