/// <summary> /// Validate behavior of the XDocument copy/clone constructor. /// </summary> /// <returns>true if pass, false if fail</returns> //[Variation(Desc = "CreateDocumentCopy")] public void CreateDocumentCopy() { try { new XDocument((XDocument)null); Validate.ExpectedThrow(typeof(ArgumentNullException)); } catch (Exception ex) { Validate.Catch(ex, typeof(ArgumentNullException)); } XDeclaration declaration = new XDeclaration("1.0", "utf-8", "yes"); XComment comment = new XComment("This is a document"); XProcessingInstruction instruction = new XProcessingInstruction("doc-target", "doc-data"); XElement element = new XElement("RootElement"); XDocument doc = new XDocument(declaration, comment, instruction, element); XDocument doc2 = new XDocument(doc); IEnumerator e = doc2.Nodes().GetEnumerator(); // First node: declaration Validate.IsEqual(doc.Declaration.ToString(), doc2.Declaration.ToString()); // Next node: comment Validate.IsEqual(e.MoveNext(), true); Validate.Type(e.Current, typeof(XComment)); Validate.IsNotReferenceEqual(e.Current, comment); XComment comment2 = (XComment)e.Current; Validate.IsEqual(comment2.Value, comment.Value); // Next node: processing instruction Validate.IsEqual(e.MoveNext(), true); Validate.Type(e.Current, typeof(XProcessingInstruction)); Validate.IsNotReferenceEqual(e.Current, instruction); XProcessingInstruction instruction2 = (XProcessingInstruction)e.Current; Validate.String(instruction2.Target, instruction.Target); Validate.String(instruction2.Data, instruction.Data); // Next node: element. Validate.IsEqual(e.MoveNext(), true); Validate.Type(e.Current, typeof(XElement)); Validate.IsNotReferenceEqual(e.Current, element); XElement element2 = (XElement)e.Current; Validate.ElementName(element2, element.Name.ToString()); Validate.Count(element2.Nodes(), 0); // Should be end. Validate.IsEqual(e.MoveNext(), false); }