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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.import { assert } from "../../testing/asserts.ts";import { copyFile, copyFileSync } from "./_fs_copy.ts";import { existsSync } from "./_fs_exists.ts";
const destFile = "./destination.txt";
Deno.test({  name: "[std/node/fs] copy file",  fn: async () => {    const sourceFile = Deno.makeTempFileSync();    const err = await new Promise((resolve) => {      copyFile(sourceFile, destFile, (err?: Error | null) => resolve(err));    });    assert(!err);    assert(existsSync(destFile));    Deno.removeSync(sourceFile);    Deno.removeSync(destFile);  },});
Deno.test({  name: "[std/node/fs] copy file sync",  fn: () => {    const sourceFile = Deno.makeTempFileSync();    copyFileSync(sourceFile, destFile);    assert(existsSync(destFile));    Deno.removeSync(sourceFile);    Deno.removeSync(destFile);  },});