'use strict';

// This tests support for the dns module in snapshot.

require('../common');

const assert = require('assert');

const tmpdir = require('../common/tmpdir');

const fixtures = require('../common/fixtures');

const { buildSnapshot, runWithSnapshot } = require('../common/snapshot');

const {

addresses: { INET4_HOST },

} = require('../common/internet');

const entry = fixtures.path('snapshot', 'dns-lookup.js');

const env = {

NODE_TEST_HOST: INET4_HOST,

NODE_TEST_PROMISE: 'false',

};

tmpdir.refresh();

function checkOutput(stderr, stdout) {

assert.match(stdout, /address: "\d+\.\d+\.\d+\.\d+"/);

assert.match(stdout, /family: 4/);

assert.strictEqual(stdout.trim().split('\n').length, 2);

}

{

const { stderr, stdout } = buildSnapshot(entry, env);

checkOutput(stderr, stdout);

}

{

const { stderr, stdout } = runWithSnapshot(entry, env);

checkOutput(stderr, stdout);

}