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std/async/pool_test.ts

Deno standard library
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import { pooledMap } from "./pool.ts";import { assert } from "../testing/asserts.ts";
Deno.test("[async] pooledMap", async function (): Promise<void> {  const start = new Date();  const results = pooledMap(    2,    [1, 2, 3],    (i) => new Promise((r) => setTimeout(() => r(i), 1000)),  );  for await (const value of results) {    console.log(value);  }  const diff = new Date().getTime() - start.getTime();  assert(diff >= 2000);  assert(diff < 3000);});
export {};