public void GetPreviousEntryWorks()
{
var tree = new HierarchyObjectMock("root",
new HierarchyObjectMock("child1",
new HierarchyObjectMock("child1-1"),
new HierarchyObjectMock("child1-2",
new HierarchyObjectMock("child1-2-1"),
new HierarchyObjectMock("child1-2-2",
new HierarchyObjectMock("child1-2-2-1"))),
new HierarchyObjectMock("child1-3",
new HierarchyObjectMock("child1-3-1")),
new HierarchyObjectMock("child1-4")));
var navigator = new HierarchyObjectNavigator();
Assert.AreEqual("child1-4", GetPreviousItem(navigator, tree, "root"));
Assert.AreEqual("root", GetPreviousItem(navigator, tree, "child1"));
Assert.AreEqual("child1", GetPreviousItem(navigator, tree, "child1-1"));
Assert.AreEqual("child1-1", GetPreviousItem(navigator, tree, "child1-2"));
Assert.AreEqual("child1-2", GetPreviousItem(navigator, tree, "child1-2-1"));
Assert.AreEqual("child1-2-2", GetPreviousItem(navigator, tree, "child1-2-2-1"));
Assert.AreEqual("child1-2-2-1", GetPreviousItem(navigator, tree, "child1-3"));
Assert.AreEqual("child1-3", GetPreviousItem(navigator, tree, "child1-3-1"));
Assert.AreEqual("child1-3-1", GetPreviousItem(navigator, tree, "child1-4"));
}
public void GetPreviousEntryForSingleEntryWorks() {
var tree = new HierarchyObjectMock("root");
var navigator = new HierarchyObjectNavigator();
Assert.AreEqual("root", GetPreviousItem(navigator, tree, "root"));
Assert.AreEqual("root", GetNextItem(navigator, tree, "root"));
}
public void GetPreviousEntryForSingleEntryWorks()
{
var tree = new HierarchyObjectMock("root");
var navigator = new HierarchyObjectNavigator();
Assert.AreEqual("root", GetPreviousItem(navigator, tree, "root"));
Assert.AreEqual("root", GetNextItem(navigator, tree, "root"));
}
private string GetNextItem(HierarchyObjectNavigator navigator, HierarchyObjectMock root, string value)
{
var node = FindNode(root, value);
if (node == null)
{
return(null);
}
return(GetNextItem(navigator, node));
}
private string GetPreviousItem(HierarchyObjectNavigator navigator, HierarchyObjectMock tree)
{
var item = navigator.GetPreviousItem(tree) as HierarchyObjectMock;
if (item == null)
{
return(null);
}
return(item.Value);
}
private HierarchyObjectMock FindNode(HierarchyObjectMock root, string value) {
if (root == null)
return null;
if (root.Value == value)
return root;
foreach (var child in root.ChildMocks) {
var result = FindNode(child, value);
if (result != null)
return result;
}
return null;
}
private HierarchyObjectMock FindNode(HierarchyObjectMock root, string value)
{
if (root == null)
{
return(null);
}
if (root.Value == value)
{
return(root);
}
foreach (var child in root.ChildMocks)
{
var result = FindNode(child, value);
if (result != null)
{
return(result);
}
}
return(null);
}
public void GetNextEntryWorks() {
var tree = new HierarchyObjectMock("root",
new HierarchyObjectMock("child1",
new HierarchyObjectMock("child1-1"),
new HierarchyObjectMock("child1-2",
new HierarchyObjectMock("child1-2-1"),
new HierarchyObjectMock("child1-2-2",
new HierarchyObjectMock("child1-2-2-1"))),
new HierarchyObjectMock("child1-3",
new HierarchyObjectMock("child1-3-1")),
new HierarchyObjectMock("child1-4")));
var navigator = new HierarchyObjectNavigator();
Assert.AreEqual("child1", GetNextItem(navigator, tree, "root"));
Assert.AreEqual("child1-1", GetNextItem(navigator, tree, "child1"));
Assert.AreEqual("child1-2", GetNextItem(navigator, tree, "child1-1"));
Assert.AreEqual("child1-2-1", GetNextItem(navigator, tree, "child1-2"));
Assert.AreEqual("child1-2-2", GetNextItem(navigator, tree, "child1-2-1"));
Assert.AreEqual("child1-3", GetNextItem(navigator, tree, "child1-2-2-1"));
Assert.AreEqual("child1-4", GetNextItem(navigator, tree, "child1-3-1"));
Assert.AreEqual("root", GetNextItem(navigator, tree, "child1-4"));
}
private string GetPreviousItem(HierarchyObjectNavigator navigator, HierarchyObjectMock root, string value) {
var node = FindNode(root, value);
if (node == null)
return null;
return GetPreviousItem(navigator, node);
}
private string GetNextItem(HierarchyObjectNavigator navigator, HierarchyObjectMock tree) {
var item = navigator.GetNextItem(tree) as HierarchyObjectMock;
if (item == null)
return null;
return item.Value;
}
