public void Print_WhenCalled_PrintByTraversalMode(BTreeTraversalMode mode, string expected)
{
//Arrange
var tree = new BTree <int?>(1);
tree.Root.Left = new BTreeNode <int?>(2);
tree.Root.Right = new BTreeNode <int?>(3);
Logger.Debug(mode.ToString());
//Act
var result = tree.Print(mode);
Logger.Debug(result);
//Assert
Assert.Equal(expected: expected, actual: result);
}
public string Print(BTreeTraversalMode mode = BTreeTraversalMode.InOrder)
{
if (Root == null)
{
throw new NullReferenceException("no data");
}
switch (mode)
{
case BTreeTraversalMode.InOrder:
return(PrintInOrder(Root));
case BTreeTraversalMode.PreOrder:
return(PrintPreOrder(Root));
case BTreeTraversalMode.PostOrder:
return(PrintPostOrder(Root));
default:
throw new ArgumentOutOfRangeException(nameof(mode), mode, null);
}
}
