public void MaxDepthNavigator()
{
var source = new TestSource5();
var nav = new NavigableNavigator(source, maxDepth: 1);
// go to /root
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(-1, (nav.UnderlyingObject as TestContent).Id);
// go to /root/1
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
Assert.IsTrue(nav.MoveToId("1"));
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
// go to /root/1/prop1
Assert.IsTrue(nav.MoveToFirstChild());
// go to /root/1/prop2
Assert.IsTrue(nav.MoveToNext());
// can't go to /root/1/3
Assert.IsFalse(nav.MoveToNext());
Assert.IsFalse(nav.MoveToId("3"));
//// Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
//// Assert.AreEqual(3, (nav.UnderlyingObject as TestContent).Id);
}
public void RootedNavigator1()
{
var source = new TestSource5();
var nav = new NavigableNavigator(source, 1);
// go to (/root) /1
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
// go to (/root) /1/prop1
Assert.IsTrue(nav.MoveToFirstChild());
// go to (/root) /1/prop2
Assert.IsTrue(nav.MoveToNext());
// go to (/root) /1/3
Assert.IsTrue(nav.MoveToNext());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(3, (nav.UnderlyingObject as TestContent).Id);
// go to (/root) /1
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
// go to (/root) ie root
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Root, nav.InternalState.Position);
Assert.IsFalse(nav.MoveToParent());
// can't go there
Assert.IsFalse(nav.MoveToId("2"));
}
public void SelectByIdWithVariable(int id)
{
var source = new TestSource5();
var nav = new NavigableNavigator(source);
var iter = nav.Select("//* [@id=$id]", new XPathVariable("id", id.ToString(CultureInfo.InvariantCulture)));
Assert.IsTrue(iter.MoveNext());
var current = iter.Current as NavigableNavigator;
Assert.AreEqual(NavigableNavigator.StatePosition.Element, current.InternalState.Position);
Assert.AreEqual(id, (current.UnderlyingObject as TestContent).Id);
}
public void SelectById(int id)
{
var source = new TestSource5();
var nav = new NavigableNavigator(source);
var iter = nav.Select(string.Format("//* [@id={0}]", id));
Assert.IsTrue(iter.MoveNext());
var current = iter.Current as NavigableNavigator;
Assert.AreEqual(NavigableNavigator.StatePosition.Element, current.InternalState.Position);
Assert.AreEqual(id, (current.UnderlyingObject as TestContent).Id);
}
public void CloneIsSafe()
{
var source = new TestSource5();
var nav = new NavigableNavigator(source);
Assert.AreEqual(NavigableNavigator.StatePosition.Root, nav.InternalState.Position);
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual("root", nav.Name); // at -1
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.PropertyElement, nav.InternalState.Position);
Assert.AreEqual("prop1", nav.Name);
Assert.IsTrue(nav.MoveToNext());
Assert.AreEqual(NavigableNavigator.StatePosition.PropertyElement, nav.InternalState.Position);
Assert.AreEqual("prop2", nav.Name);
Assert.IsTrue(nav.MoveToNext());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(3, (nav.UnderlyingObject as TestContent).Id);
// at that point nav is at /root/1/3
var clone = nav.Clone() as NavigableNavigator;
// move nav to /root/1/5 and ensure that clone stays at /root/1/3
Assert.IsTrue(nav.MoveToNext());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(5, (nav.UnderlyingObject as TestContent).Id);
Assert.AreEqual(NavigableNavigator.StatePosition.Element, clone.InternalState.Position);
Assert.AreEqual(3, (clone.UnderlyingObject as TestContent).Id);
// move nav to /root/2
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
Assert.IsTrue(nav.MoveToNext());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(2, (nav.UnderlyingObject as TestContent).Id);
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.PropertyElement, nav.InternalState.Position);
Assert.AreEqual("prop1", nav.Name);
Assert.AreEqual("p21", nav.Value);
// move clone to .. /root/1
Assert.IsTrue(clone.MoveToParent());
// clone has not been corrupted by nav
Assert.AreEqual(NavigableNavigator.StatePosition.Element, clone.InternalState.Position);
Assert.AreEqual(1, (clone.UnderlyingObject as TestContent).Id);
}
public void NewNavigatorIsAtRoot()
{
const string xml = @"<root><item1 /><item2 /></root>";
var doc = XmlHelper.CreateXPathDocument(xml);
var nav = doc.CreateNavigator();
Assert.AreEqual(XPathNodeType.Root, nav.NodeType);
Assert.AreEqual(string.Empty, nav.Name);
var source = new TestSource5();
nav = new NavigableNavigator(source);
Assert.AreEqual(XPathNodeType.Root, nav.NodeType);
Assert.AreEqual(string.Empty, nav.Name);
}
public void RootedNavigator2()
{
var source = new TestSource5();
var nav = new NavigableNavigator(source, rootId: 3);
// go to (/root/1) /3
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(3, (nav.UnderlyingObject as TestContent).Id);
// go to (/root/1)
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Root, nav.InternalState.Position);
Assert.IsFalse(nav.MoveToParent());
// can't go there
Assert.IsFalse(nav.MoveToId("1"));
}
public void MoveToId()
{
var source = new TestSource5();
var nav = new NavigableNavigator(source);
// move to /root/1/3
Assert.IsTrue(nav.MoveToId("3"));
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(3, (nav.UnderlyingObject as TestContent).Id);
// move to /root/1
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
// move to /root
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(-1, (nav.UnderlyingObject as TestContent).Id);
// move up
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Root, nav.InternalState.Position);
Assert.IsFalse(nav.MoveToParent());
// move to /root/1
Assert.IsTrue(nav.MoveToId("1"));
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
// move to /root
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(-1, (nav.UnderlyingObject as TestContent).Id);
// move up
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Root, nav.InternalState.Position);
Assert.IsFalse(nav.MoveToParent());
// move to /root
Assert.IsTrue(nav.MoveToId("-1"));
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(-1, (nav.UnderlyingObject as TestContent).Id);
// move up
Assert.IsTrue(nav.MoveToParent());
Assert.AreEqual(NavigableNavigator.StatePosition.Root, nav.InternalState.Position);
Assert.IsFalse(nav.MoveToParent());
// move to /root
Assert.IsTrue(nav.MoveToId("-1"));
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(-1, (nav.UnderlyingObject as TestContent).Id);
// move down
Assert.IsTrue(nav.MoveToFirstChild());
Assert.AreEqual(NavigableNavigator.StatePosition.Element, nav.InternalState.Position);
Assert.AreEqual(1, (nav.UnderlyingObject as TestContent).Id);
// get lost
Assert.IsFalse(nav.MoveToId("666"));
}