public void TestElementHelpers() { Exception e = null; //GetAbsolutePath SimpleElement root = new SimpleElement(); Assert.AreEqual(XmlHelper.GetAbsolutePath(root), "/"); root.Name = "root"; Assert.AreEqual(XmlHelper.GetAbsolutePath(root), "/root"); SimpleElement se = new SimpleElement("child"); se.Parent = root; Assert.AreEqual(XmlHelper.GetAbsolutePath(se), "/root/child"); try { XmlHelper.GetAbsolutePath(null); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentNullException), e); //IsEmpty se = new SimpleElement(); Assert.IsTrue(XmlHelper.IsEmpty(se)); se.SetString("value"); Assert.IsFalse(XmlHelper.IsEmpty(se)); se.SetString(null); Assert.IsTrue(XmlHelper.IsEmpty(se)); se.AddElement("name"); Assert.IsFalse(XmlHelper.IsEmpty(se)); se.ElementList.Clear(); Assert.IsTrue(XmlHelper.IsEmpty(se)); se.AddAttribute("attr"); Assert.IsFalse(XmlHelper.IsEmpty(se)); //GetElement se = new SimpleElement(); Assert.IsNull(XmlHelper.GetElement(se, "child1")); se.AddElement("child1"); se.AddElement("child2"); Assert.IsNotNull(XmlHelper.GetElement(se, "child1")); e = null; try { XmlHelper.GetElement(se, "&invalid"); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentException), e); //FindElement root = new SimpleElement("root"); IXmlElement child1 = root.AddElement("child1"); IXmlElement child2 = child1.AddElement("child2"); string path = "/child1"; Assert.AreEqual(child1, XmlHelper.FindElement(root, path)); Assert.AreEqual(child1, XmlHelper.FindElement(child1, path)); path = "child2"; Assert.IsNull(XmlHelper.FindElement(root, path)); Assert.AreEqual(child2, XmlHelper.FindElement(child1, path)); path = "../child1"; Assert.IsNull(XmlHelper.FindElement(child2, path)); Assert.AreEqual(child1, XmlHelper.FindElement(child1, path)); e = null; try { XmlHelper.FindElement(root, null); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentException), e); e = null; try { XmlHelper.FindElement(root, path); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentException), e); //FindElement with value root = new SimpleElement(); child1 = root.AddElement("child1"); child1.SetString("value1"); root.AddElement("child1").SetString("value2"); child2 = child1.AddElement("child2"); path = "/child1"; Assert.AreEqual(child1, XmlHelper.FindElement(root, path, "value1")); Assert.IsNull(XmlHelper.FindElement(root, path, "valueX")); path = "child2"; Assert.IsNull(XmlHelper.FindElement(root, path, null)); Assert.AreEqual(child2, XmlHelper.FindElement(child1, path, null)); path = "../child1"; Assert.IsNull(XmlHelper.FindElement(child2, path, null)); Assert.AreNotEqual(child1, XmlHelper.FindElement(child1, path, "value2")); path = "child2/../child2"; Assert.IsNull(XmlHelper.FindElement(child1, path, 5)); Assert.AreEqual(child2, XmlHelper.FindElement(child1, path, null)); e = null; try { XmlHelper.FindElement(null, path, null); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentException), e); //EnsureElement root = new SimpleElement("root"); child1 = root.AddElement("child1"); child1.AddElement("child2"); path = "/child1"; Assert.AreEqual(root.ElementList.Count, 1); Assert.AreEqual(child1, XmlHelper.EnsureElement(root, path)); path = "/child3"; Assert.IsNotNull(XmlHelper.EnsureElement(root, path)); Assert.AreEqual(root.ElementList.Count, 2); path = "/child3/../child4"; Assert.IsNotNull(XmlHelper.EnsureElement(root, path)); Assert.AreEqual(root.ElementList.Count, 3); e = null; try { XmlHelper.EnsureElement(null, path); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentException), e); e = null; try { XmlHelper.EnsureElement(root, "../child1"); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(ArgumentException), e); //AddElements root = new SimpleElement(); Assert.AreEqual(root.ElementList.Count, 0); IList elements = new ArrayList(); elements.Add(new SimpleElement("el1")); elements.Add(new SimpleElement("el2")); elements.Add(new SimpleElement("el3")); XmlHelper.AddElements(root, elements.GetEnumerator()); Assert.AreEqual(root.ElementList.Count, 3); //RemoveElement root = new SimpleElement(); Assert.AreEqual(root.ElementList.Count, 0); int result = XmlHelper.RemoveElement(root, "child"); Assert.AreEqual(result, 0); root.AddElement("child"); root.AddElement("child"); root.AddElement("child2"); Assert.AreEqual(root.ElementList.Count, 3); result = XmlHelper.RemoveElement(root, "child"); Assert.AreEqual(result, 2); Assert.AreEqual(root.ElementList.Count, 1); //ReplaceElement root = new SimpleElement("root"); root.AddElement("child1"); root.AddElement("child2"); Assert.AreEqual(root.ElementList.Count, 2); Assert.IsNull(root.GetElement("child1").Value); IXmlElement replaceEl = new SimpleElement("child1", "value"); bool replaced = XmlHelper.ReplaceElement(root, replaceEl); Assert.IsTrue(replaced); Assert.AreEqual(root.GetElement("child1").GetString(), replaceEl.GetString()); Assert.AreEqual(root.ElementList.Count, 2); replaceEl = new SimpleElement("child3"); replaced = XmlHelper.ReplaceElement(root, replaceEl); Assert.IsFalse(replaced); Assert.AreEqual(root.ElementList.Count, 3); }
public void TestElementList() { SimpleElement parent = new SimpleElement("parent", "value"); Assert.IsTrue(parent.IsMutable); //so, element list is mutable as well IList elements = parent.ElementList; Assert.IsNotNull(elements); Assert.AreEqual(elements.Count, 0); //adding something that is not IXmlElement will fail Exception e = null; try { elements.Add("something"); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(InvalidCastException), e); Assert.AreEqual(elements.Count, 0); IXmlElement child0 = parent.AddElement("child0"); IXmlElement child1 = new SimpleElement("child1"); IXmlElement child2 = new SimpleElement("child2"); IXmlElement child3 = new SimpleElement("child3"); IXmlElement child4 = new SimpleElement("child5"); IXmlElement child5 = new SimpleElement("child6"); Assert.IsNotNull(child0); Assert.AreEqual(child0.Parent, parent); Assert.AreEqual(elements.Count, 1); Assert.AreEqual(elements[0], child0); child1.Comment = "comment"; child1.AddAttribute("attr").SetString("attrValue"); child1.Parent = child0; elements.Add(child1); Assert.AreEqual(elements.Count, 2); Assert.AreNotEqual(child1.Parent, ((SimpleElement)elements[1]).Parent); Assert.AreEqual(parent, ((SimpleElement)elements[1]).Parent); Assert.AreEqual(elements[1], child1); Assert.AreNotSame(elements[1], child1); Assert.IsInstanceOf(typeof(ArrayList), elements); ArrayList elementList = (ArrayList)elements; IList l = new ArrayList(); l.Add(child2); elementList.AddRange(l); Assert.AreEqual(elementList.Count, 3); Assert.AreEqual(child2.Parent, parent); Assert.AreEqual(elementList[2], child2); elementList.Insert(3, child3); Assert.AreEqual(elementList.Count, 4); Assert.AreEqual(child3.Parent, parent); Assert.AreEqual(elementList[3], child3); l = new ArrayList(); l.Add(child4); l.Add(child5); elementList.InsertRange(4, l); Assert.AreEqual(elementList.Count, 6); Assert.AreEqual(elementList[4], child4); Assert.AreEqual(elementList[5], child5); Assert.IsTrue(elementList.Contains(child5)); elementList.Remove(child5); Assert.AreEqual(elementList.Count, 5); elementList.RemoveRange(3, 2); Assert.AreEqual(elementList.Count, 3); Assert.IsFalse(elementList.Contains(child4)); Assert.IsFalse(elementList.Contains(child5)); elementList.SetRange(1, l); Assert.AreEqual(elementList.Count, 3); Assert.AreEqual(elementList[0], child0); Assert.AreEqual(elementList[1], child4); Assert.AreEqual(elementList[2], child5); elementList[0] = child3; Assert.AreEqual(elementList[0], child3); //3,4,5 elementList.Reverse(); Assert.AreEqual(elementList[2], child3); //5,4,3 Assert.AreEqual(elementList[0], child5); //5,4,3 elementList.Reverse(0, 2); Assert.AreEqual(elementList[2], child3); //4,5,3 Assert.AreEqual(elementList[0], child4); //4,5,3 elementList.Sort(new SimpleElementComparer()); Assert.AreEqual(elementList[0], child3); //3,4,5 Assert.AreEqual(elementList[2], child5); //3,4,5 elementList.Reverse(); elementList.Sort(0, 2, new SimpleElementComparer()); Assert.AreEqual(elementList[0], child4); //4,5,3 Assert.AreEqual(elementList[2], child3); //4,5,3 elementList.Clear(); Assert.AreEqual(elementList.Count, 0); e = null; try { IXmlElement immutable = parent.GetSafeElement("immutable"); immutable.AddElement("child"); } catch (Exception ex) { e = ex; } Assert.IsNotNull(e); Assert.IsInstanceOf(typeof(InvalidOperationException), e); SimpleElement parent2 = new SimpleElement(); parent.AddElement("child1"); Assert.IsFalse(parent.ElementList.Equals(parent2.ElementList)); Assert.IsFalse(parent.ElementList.Equals("test")); parent2.AddElement("child1"); Assert.IsTrue(parent.ElementList.Equals(parent2.ElementList)); parent.AddElement("child2"); parent2.AddElement("child2"); Assert.AreEqual(parent.ElementList, parent2.ElementList); parent2.GetElement("child2").AddAttribute("attr"); Assert.AreNotEqual(parent.ElementList, parent2.ElementList); }