test/parallel/test-tty-stdin-pipe.js

// Copyright Joyent, Inc. and other Node contributors.
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'use strict';
const common = require('../common');

// This test ensures piping from `stdin` isn't broken.
// https://github.com/nodejs/node/issues/5927

const readline = require('readline');

const rl = readline.createInterface(process.stdin, process.stdout);
rl.resume();

const origPause = rl.pause;
rl.pause = common.mustCall(function pause() {
  Reflect.apply(origPause, this, arguments);
});
rl._setRawMode = common.mustNotCall();

rl.close();