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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assert, assertEquals, assertThrows } from "../assert/mod.ts";import { isNil, NIL_UUID, validate, version } from "./mod.ts";
Deno.test("isNil() checks if a UUID is the nil UUID", () => {  const nil = NIL_UUID;  const u = "582cbcff-dad6-4f28-888a-e062ae36bafc";  assert(isNil(nil));  assert(!isNil(u));});
Deno.test("validate() checks if a string is a valid UUID", () => {  const u = "582cbcff-dad6-4f28-888a-e062ae36bafc";  const nil = NIL_UUID;  assert(validate(u));  assert(validate(nil));  assert(!validate("not a UUID"));});
Deno.test("version() detects the RFC version of a UUID", () => {  assertEquals(version(NIL_UUID), 0);  assertEquals(version("d9428888-122b-11e1-b85c-61cd3cbb3210"), 1);  assertEquals(version("109156be-c4fb-41ea-b1b4-efe1671c5836"), 4);  assertEquals(version("a981a0c2-68b1-35dc-bcfc-296e52ab01ec"), 3);  assertEquals(version("90123e1c-7512-523e-bb28-76fab9f2f73d"), 5);  assertThrows(() => version(""));  assertThrows(() => version("not a UUID"));  assertThrows(() => version("00000000000000000000000000000000"));  assertThrows(() =>    version(      "=Y00a-f*v00b*-00c-00d#-p00f\b-00g-00h-####00i^^^-00j*1*2*3&-L00k-\n00l-/00m-----00n-fg000-00p-00r+",    )  );});