add: 快乐数

2020-04-30 13:58:03 +08:00
parent de9ff35202
commit ecab5b8850
3 changed files with 25 additions and 0 deletions
--- a/test/array/happy-number.test.js
+++ b/test/array/happy-number.test.js
@ -0,0 +1,6 @@
+import { isHappy } from '../../src/array/happy-number'
+
+test('快乐数', () => {
+  expect(isHappy(19)).toBe(true)
+  expect(isHappy(5)).toBe(false)
+})