public void DepthOfSeveralLevelsCalculatesProperly()
{
var depth = new DummyTree(new [] { new DummyTree(new DummyTree[] {}) }).Depth();
Assert.AreEqual(2u, depth);
}
public void DepthOfSingleNodeIsOne()
{
var depth = new DummyTree(new DummyTree[] {}).Depth();
Assert.AreEqual(1u, depth);
}