deno/cli/tests/unit_node/internal/_randomInt_test.ts
Matt Mastracci ffbb1bad03
chore(cli): Use @test_util for relative path for unit tests (#22327)
This removes the majority of `../../../../../../test_util` relative
imports from the codebase, allowing us to move this code more easily in
the future.
2024-02-07 09:51:28 -07:00

33 lines
967 B
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { randomInt } from "node:crypto";
import { assert, assertThrows } from "@test_util/std/assert/mod.ts";
const between = (x: number, min: number, max: number) => x >= min && x < max;
Deno.test("[node/crypto.randomInt] One Param: Max", () => {
assert(between(randomInt(55), 0, 55));
});
Deno.test("[node/crypto.randomInt] Two Params: Max and Min", () => {
assert(between(randomInt(40, 120), 40, 120));
});
Deno.test("[node/crypto.randomInt] Max and Callback", () => {
let called = false;
randomInt(3, (_err, val) => {
called = true;
assert(between(val as number, 0, 3));
});
assert(called);
});
Deno.test("[node/crypto.randomInt] Min, Max and Callback", () => {
randomInt(3, 5, (_err, val) => {
assert(between(val as number, 3, 5));
});
});
Deno.test("[node/crypto.randomInt] Min is bigger than Max", () => {
assertThrows(() => randomInt(45, 34));
});