public void LevelOrderBottomTest_Null()
{
var solution = new _107_BinaryTreeLevelOrderTraversal2();
var result = solution.LevelOrderBottom(null);
AssertHelper.AssertList(new List <IList <int> >(), result);
}
public void LevelOrderBottomTest()
{
var solution = new _107_BinaryTreeLevelOrderTraversal2();
var result = solution.LevelOrderBottom(TestHelper.GenerateTree(new int?[] { 3, 9, 20, null, null, 15, 7 }));
AssertHelper.AssertList(new List <IList <int> >()
{
new List <int>()
{
15, 7
},
new List <int>()
{
9, 20
},
new List <int>()
{
3
},
}, result);
}