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/* eslint no-shadow: 0 */
const test = require("tap").test;const ss = require("../");
function rnd(x) {    return Math.round(x * 1000) / 1000;}
test("harmonicMean", function (t) {    // From http://en.wikipedia.org/wiki/Harmonic_mean    t.test("can get the mean of two or more numbers", function (t) {        t.equal(ss.harmonicMean([1, 1]), 1);        t.equal(rnd(ss.harmonicMean([2, 3])), 2.4);        t.equal(ss.harmonicMean([1, 2, 4]), 12 / 7);        t.end();    });
    t.test("cannot calculate for empty lists", function (t) {        t.throws(function () {            ss.harmonicMean([]);        });        t.end();    });
    t.test("cannot calculate for lists with negative numbers", function (t) {        t.throws(function () {            ss.harmonicMean([-1]);        });        t.end();    });    t.end();});