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/* eslint no-shadow: 0 */
const test = require("tap").test;const Random = require("random-js");const random = new Random.Random(Random.MersenneTwister19937.seed(0));const ss = require("../");
function rng() {    return random.real(0, 1);}
test("shuffle", function (t) {    const input = [1, 2, 3, 4, 5, 6];    t.same(ss.shuffle([], rng), []);    t.same(ss.shuffle(input, rng), [1, 5, 3, 2, 4, 6]);    t.same(input, [1, 2, 3, 4, 5, 6], "does not change original array");    t.same(ss.shuffle(input, rng), [5, 4, 1, 3, 6, 2]);    t.same(input, [1, 2, 3, 4, 5, 6], "does not change original array");    t.end();});
test("shuffleInPlace", function (t) {    const input = [1, 2, 3, 4, 5, 6];    t.same(ss.shuffleInPlace([], rng), []);    t.same(ss.shuffleInPlace(input, rng), [6, 1, 5, 2, 4, 3]);    t.same(input, [6, 1, 5, 2, 4, 3], "changes original array");    t.end();});
test("shuffleInPlace truly random", function (t) {    const input = [1, 2, 3, 4, 5, 6];    t.same(ss.shuffleInPlace([]), []);    t.same(ss.shuffleInPlace(input).sort(), [1, 2, 3, 4, 5, 6]);    t.end();});