BinaryTreeTests.BinaryTreeTests.Test_Enumerator_OfEmptyTree C# (CSharp) Method

        public void Test_Enumerator_OfEmptyTree()
        {
            var tree = new BinaryTree<int>();
            INode<int> nullNode = null;

            foreach (var node in tree)
            {
                nullNode = node;
            }

            Assert.IsNull(nullNode);
        }