'use strict';

const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const tty = require('tty');


assert.throws(() => {
  new tty.WriteStream(-1);
}, /fd must be positive integer:/);

const err_regex = common.isWindows ?
                    /^Error: EBADF: bad file descriptor, uv_tty_init$/ :
                    /^Error: EINVAL: invalid argument, uv_tty_init$/;
assert.throws(() => {
  let fd = 2;
  // Get first known bad file descriptor.
  try {
    while (fs.fstatSync(++fd));
  } catch (e) { }
  new tty.WriteStream(fd);
}, err_regex);

assert.throws(() => {
  new tty.ReadStream(-1);
}, /fd must be positive integer:/);

assert.throws(() => {
  let fd = 2;
  // Get first known bad file descriptor.
  try {
    while (fs.fstatSync(++fd));
  } catch (e) { }
  new tty.ReadStream(fd);
}, err_regex);