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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assert, assertEquals, assertThrows } from "../assert/mod.ts";import { generate, validate } from "./v1.ts";import { uuidToBytes } from "./_common.ts";
Deno.test("validate() checks if a string is a valid v1 UUID", () => {  const u = generate();  const t = "63655efa-7ee6-11ea-bc55-0242ac130003";  const n = "63655efa-7ee6-11eg-bc55-0242ac130003";
  assert(validate(u as string), `generated ${u} should be valid`);  assert(validate(t), `${t} should be valid`);  assert(!validate(n), `${n} should not be valid`);});
Deno.test("generate() generates a non-empty string", () => {  const u1 = generate();  const u2 = generate({    msecs: new Date("2011-11-01").getTime(),    nsecs: 10000,  });
  assertEquals(typeof u1, "string", "returns a string");  assert(u1 !== "", "return string is not empty");  assertEquals(typeof u2, "string", "returns a string");  assert(u2 !== "", "return string is not empty");});
Deno.test("generate() generates UUIDs in version 1 format", () => {  for (let i = 0; i < 10000; i++) {    const u = generate() as string;    assert(validate(u), `${u} is not a valid uuid v1`);  }});
Deno.test("generate() can generate a static v1 UUID", () => {  const v1options = {    node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],    clockseq: 0x1234,    msecs: new Date("2011-11-01").getTime(),    nsecs: 5678,  };  const u = generate(v1options);  assertEquals(u, "710b962e-041c-11e1-9234-0123456789ab");});
Deno.test("generate() can fill the UUID into a buffer", () => {  const buf: number[] = [];  const v1options = {    node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],    clockseq: 0x1234,    msecs: new Date("2011-11-01").getTime(),    nsecs: 5678,  };  const uuid = generate(v1options, buf, 0);  const expect = uuidToBytes("710b962e-041c-11e1-9234-0123456789ab");
  assertEquals(buf, expect);  assertEquals(buf, uuid);});
Deno.test("generate() throws when node is passed with less than 6 numbers", () => {  assertThrows(    () => {      generate({ node: [0x01, 0x23, 0x45, 0x67, 0x89] });    },    Error,    "Cannot create UUID. The node option must be an array of 6 bytes",  );});
Deno.test("generate() throws when node is passed with more than 6 numbers", () => {  assertThrows(    () => {      generate({ node: [0x01, 0x23, 0x45, 0x67, 0x89, 0x89, 0x89] });    },    Error,    "Cannot create UUID. The node option must be an array of 6 bytes",  );});
Deno.test("generate() throws when create more than 10M uuids/sec", () => {  assertThrows(    () => {      generate({ nsecs: 10001 });    },    Error,    "Can't create more than 10M uuids/sec",  );});