1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/* eslint no-shadow: 0 */
const test = require("tap").test;const ss = require("../");
test("mean", function (t) {    t.test("can get the mean of two numbers", function (t) {        t.equal(ss.mean([1, 2]), 1.5);        t.end();    });    t.test("can get the mean of one number", function (t) {        t.equal(ss.mean([1]), 1);        t.end();    });    t.test("an empty list has no average", function (t) {        t.throws(function () {            ss.mean([]);        });        t.end();    });    t.end();});