public void DescendantsWorks()
{
var node = new ValueTreeNode <int>(0);
var nodes = GenerateNodes(15);
node.AddChildren(
nodes[0].AddChild(
nodes[1].AddChild(
nodes[2])),
nodes[3].AddChildren(
nodes[4],
nodes[5].AddChild(
nodes[6]).AddChildren(
nodes[7],
nodes[8].AddChild(
nodes[9])),
nodes[10].AddChild(
nodes[11]),
nodes[12]),
nodes[13].AddChild(
nodes[14]));
Assert.That(node.Descendants, Is.EquivalentTo(nodes),
"Invalid descendant collection");
}
public void AddChildrenReturnsThis()
{
var n1 = new ValueTreeNode <int>(0);
var children = GenerateNodes(3);
var n2 = n1.AddChildren(children);
Assert.AreSame(n1, n2);
}
public void AddChildReturnsThis()
{
ValueTreeNode <int> n1, n2, n3;
n1 = new ValueTreeNode <int>(0);
n2 = new ValueTreeNode <int>(1);
n3 = n1.AddChild(n2);
Assert.AreSame(n1, n3);
}
private static ValueTreeNode <int>[] GenerateNodes(int count)
{
var children = new ValueTreeNode <int> [count];
for (int i = 0; i < count; i++)
{
children[i] = new ValueTreeNode <int>(i + 1);
}
return(children);
}
public void AddChildrenWorks()
{
var node = new ValueTreeNode <int>(0);
var children = GenerateNodes(3);
node.AddChildren(children);
Assert.That(node.Children, Is.EquivalentTo(children),
"Invalid children collection");
Assert.IsTrue(
node.Children.All(x => x.Parent == node),
"Parent node is not assigned");
}
public void AddChildWorks()
{
ValueTreeNode <int> n, n1, n2, n3;
n = new ValueTreeNode <int>(0);
n.AddChild(n1 = new ValueTreeNode <int>(1));
n.AddChild(n2 = new ValueTreeNode <int>(2));
n.AddChild(n3 = new ValueTreeNode <int>(3));
Assert.That(n.Children, Is.EquivalentTo(new [] { n2, n1, n3 }),
"Invalid children collection");
Assert.IsTrue(
n.Children.All(x => x.Parent == n),
"Parent node is not assigned");
}
public void RemoveChildWorks()
{
ValueTreeNode <int> n, n1, n2, n3, n4;
n = new ValueTreeNode <int>(0);
n.AddChild(n1 = new ValueTreeNode <int>(1));
n.AddChild(n2 = new ValueTreeNode <int>(2));
n.AddChild(n3 = new ValueTreeNode <int>(3));
n.AddChild(n4 = new ValueTreeNode <int>(4));
n2.Remove();
Assert.IsNull(n2.Parent, "Parent node is not set to null");
Assert.That(n.Children, Is.EquivalentTo(new [] { n1, n3, n4 }),
"Invalid children collection after removal");
}