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import {  assert,  assertThrows,} from "https://deno.land/std/testing/asserts.ts";import { pickRandomInteger, pickRandomElement } from "./rand.ts";
Deno.test("pickRandomInteger: Picks a integer i: (0 <= i <= 1) when nothing is set", () => {  const result = pickRandomInteger();  assert(() => {    result >= 0 &&      result <= 1;  });});
Deno.test("pickRandomInteger: Picks a integer i: (0 <= i <= max) when a max is set", () => {  const max = 20;  const result = pickRandomInteger(max);  assert(() => {    result >= 0 &&      result <= max;  });});
Deno.test("pickRandomInteger: Throws when max is less than 0", () => {  const max = -20;  assertThrows(() => pickRandomInteger(max));});
Deno.test("pickRandomElement: Picks a random element from an array", () => {  const subject = ["a", "b", "c", "d"];  const result = pickRandomElement(subject);  assert(() => {    result != null &&      result != "" &&      subject.indexOf(result) >= 0;  });});
Deno.test("pickRandomElement: Throws when array is empty", () => {  const subject: Array<number> = [];  assertThrows(() => pickRandomElement(subject));});