test/parallel/test-child-process-exec-cwd.js

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

let pwdcommand, dir;

if (common.isWindows) {
  pwdcommand = 'echo %cd%';
  dir = 'c:\\windows';
} else {
  pwdcommand = 'pwd';
  dir = '/dev';
}

exec(pwdcommand, { cwd: dir }, common.mustCall(function(err, stdout, stderr) {
  assert.ifError(err);
  assert(stdout.startsWith(dir));
}));