'use strict';
const common = require('../common');const assert = require('assert');
const dns = require('dns');const dnsPromises = dns.promises;
{ const err = { code: "ERR_INVALID_ARG_TYPE", name: "TypeError", message: /^The "hostname" argument must be of type string\. Received type number/, };
assert.throws(() => dns.lookup(1, {}), err); assert.throws(() => dnsPromises.lookup(1, {}), err);}
assert.throws( () => { dns.lookup(false, "cb"); }, { code: "ERR_INVALID_ARG_TYPE", name: "TypeError", });
assert.throws( () => { dns.lookup(false, "options", "cb"); }, { code: "ERR_INVALID_ARG_TYPE", name: "TypeError", });
{ const err = { code: 'ERR_INVALID_ARG_VALUE', name: 'TypeError', message: "The argument 'hints' is invalid. Received 100" }; const options = { hints: 100, family: 0, all: false };
assert.throws(() => { dnsPromises.lookup(false, options); }, err); assert.throws(() => { dns.lookup(false, options, common.mustNotCall()); }, err);}
{ const family = 20; const err = { code: "ERR_INVALID_ARG_VALUE", name: "TypeError", message: `The property 'options.family' must be one of: 0, 4, 6. Received ${family}`, }; const options = { hints: 0, family, all: false };
assert.throws(() => { dnsPromises.lookup(false, options); }, err); assert.throws(() => { dns.lookup(false, options, common.mustNotCall()); }, err);}
(async function() { let res;
res = await dnsPromises.lookup(false, { hints: 0, family: 0, all: true }); assert.deepStrictEqual(res, []);
res = await dnsPromises.lookup('127.0.0.1', { hints: 0, family: 4, all: true }); assert.deepStrictEqual(res, [{ address: '127.0.0.1', family: 4 }]);
res = await dnsPromises.lookup('127.0.0.1', { hints: 0, family: 4, all: false }); assert.deepStrictEqual(res, { address: '127.0.0.1', family: 4 });})().then(common.mustCall());
dns.lookup(false, { hints: 0, family: 0, all: true}, common.mustSucceed((result, addressType) => { assert.deepStrictEqual(result, []); assert.strictEqual(addressType, undefined);}));
dns.lookup('127.0.0.1', { hints: 0, family: 4, all: true}, common.mustSucceed((result, addressType) => { assert.deepStrictEqual(result, [{ address: '127.0.0.1', family: 4 }]); assert.strictEqual(addressType, undefined);}));
dns.lookup('127.0.0.1', { hints: 0, family: 4, all: false}, common.mustSucceed((result, addressType) => { assert.deepStrictEqual(result, '127.0.0.1'); assert.strictEqual(addressType, 4);}));