update: 二叉树的层序遍历

2020-05-13 13:58:11 +08:00
parent f391e66174
commit 7ff3a150b7
2 changed files with 7 additions and 4 deletions
--- a/test/tree/binary-tree-level-order-traversal.test.js
+++ b/test/tree/binary-tree-level-order-traversal.test.js
@ -8,4 +8,7 @@ test('二叉树的层序遍历', () => {
    [9, 20],
    [15, 7]
  ])
+
+  const source1 = []
+  expect(levelOrder(Tree.arrToTree(source1))).toEqual([])
 })