add: 只出现一次的数字等

2019-03-10 16:43:04 +08:00
parent 930ff1be11
commit 8239e7afd5
106 changed files with 7978 additions and 0 deletions
--- a/test/string/contains-duplicate.test.js
+++ b/test/string/contains-duplicate.test.js
@ -0,0 +1,7 @@
+import { containsDuplicate } from '../../src/string/contains-duplicate'
+
+test('存在重复元素', () => {
+  expect(containsDuplicate([1, 2, 3, 1])).toBe(true)
+  expect(containsDuplicate([1, 2, 3, 4])).toBe(false)
+  expect(containsDuplicate([1, 1, 1, 3, 3, 4, 3, 2, 4, 2])).toBe(true)
+})