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std/uuid/v4_test.ts

Deno standard library
denoland/deno_std
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assert } from "../assert/mod.ts";import { validate } from "./v4.ts";
Deno.test("validate() checks if a string is a valid v4 UUID", () => {  const u = crypto.randomUUID();  const t = "84fb7824-b951-490e-8afd-0c13228a8282";  const n = "84fb7824-b951-490g-8afd-0c13228a8282";
  assert(validate(u), `generated ${u} should be valid`);  assert(validate(t), `${t} should be valid`);  assert(!validate(n), `${n} should not be valid`);});