public void CanRemoveChild()
{
var parent = new TestTreeEntry {Name = "parent"};
var child = new TestTreeEntry {Name = "child", Parent = parent};
parent.RemoveChild(child);
parent.IsNotParentOf(child);
Assert.Null(child.Parent);
}
public void CanSwitchParent()
{
var parent1 = new TestTreeEntry {Name = "parent1"};
var parent2 = new TestTreeEntry {Name = "parent1"};
var child = new TestTreeEntry {Name = "child", Parent = parent1};
child.Parent = parent2;
parent1.IsNotParentOf(child);
parent2.IsParentOf(child);
}
public void WhenRemovingGrandChild()
{
var parent = new TestTreeEntry {Name = "parent"};
var child = new TestTreeEntry {Name = "child", Parent = parent};
var grandChild = new TestTreeEntry {Name = "grandChild", Parent = child};
child.RemoveChild(grandChild);
parent.IsParentOf(child);
child.IsNotParentOf(grandChild);
parent.IsNotAncestorOf(grandChild);
}
public void CanSetParentToNull()
{
var parent = new TestTreeEntry {Name = "parent"};
var child = new TestTreeEntry {Name = "child", Parent = parent};
child.Parent = null;
parent.IsNotParentOf(child);
Assert.Null(child.Parent);
}