add: 只出现一次的数字等

test/array/remove-duplicates-from-sorted-array.test.js

@@ -0,0 +1,15 @@
+import removeDuplicates from '../../src/array/remove-duplicates-from-sorted-array'
+
+test('removeDuplicates', () => {
+  const nums = [1, 1, 2]
+  expect(removeDuplicates(nums)).toBe(2)
+
+  expect(nums).toEqual([1, 2])
+})
+
+test('removeDuplicates2', () => {
+  const nums = [1, 2]
+  expect(removeDuplicates(nums)).toBe(2)
+
+  expect(nums).toEqual([1, 2])
+})