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); }