public void ToBencodex()
{
var fullNode = new FullNode(
Enumerable.Repeat <INode>(null, 16).ToImmutableArray()
.Add(new ValueNode(Dictionary.Empty)).ToImmutableArray());
var expected =
new List(Enumerable.Repeat <IValue>(default(Null), 16).ToImmutableArray()
.Add(new List(new IValue[] { default(Null), Dictionary.Empty })));
var encoded = fullNode.ToBencodex();
Assert.IsType <List>(encoded);
Assert.Equal(expected.Count, ((List)encoded).Count);
Assert.Equal(expected, encoded);
}