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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.

import { assert } from "../../../test_util/std/testing/asserts.ts";
import * as timers from "node:timers";
import * as timersPromises from "node:timers/promises";

Deno.test("[node/timers setTimeout]", () => {
  {
    const { clearTimeout, setTimeout } = timers;
    const id = setTimeout(() => {});
    clearTimeout(id);
  }

  {
    const id = timers.setTimeout(() => {});
    timers.clearTimeout(id);
  }
});

Deno.test("[node/timers setInterval]", () => {
  {
    const { clearInterval, setInterval } = timers;
    const id = setInterval(() => {});
    clearInterval(id);
  }

  {
    const id = timers.setInterval(() => {});
    timers.clearInterval(id);
  }
});

Deno.test("[node/timers setImmediate]", () => {
  {
    const { clearImmediate, setImmediate } = timers;
    const id = setImmediate(() => {});
    clearImmediate(id);
  }

  {
    const id = timers.setImmediate(() => {});
    timers.clearImmediate(id);
  }
});

Deno.test("[node/timers/promises setTimeout]", () => {
  const { setTimeout } = timersPromises;
  const p = setTimeout(0);

  assert(p instanceof Promise);
  return p;
});