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/* eslint no-shadow: 0 */
const test = require("tap").test;const ss = require("../dist/simple-statistics.js");
test("interquartile range (iqr)", function (t) {    // Data and results from    // [Wikipedia](http://en.wikipedia.org/wiki/Quantile#Quantiles_of_a_population)    t.test("can get proper iqr of an even-length list", function (t) {        const even = [3, 6, 7, 8, 8, 10, 13, 15, 16, 20];        t.equal(            ss.quantile(even, 0.75) - ss.quantile(even, 0.25),            ss.iqr(even)        );        t.end();    });
    t.test("can get proper iqr of an odd-length list", function (t) {        const odd = [3, 6, 7, 8, 8, 9, 10, 13, 15, 16, 20];        t.equal(ss.quantile(odd, 0.75) - ss.quantile(odd, 0.25), ss.iqr(odd));        t.end();    });
    t.test("an iqr of a zero-length list cannot be calculated", function (t) {        t.throws(function () {            ss.iqr([]);        });        t.end();    });    t.end();});