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denoland-deno/cli/tests/node_compat/test/internet/test-dns-promises-resolve.js

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// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const assert = require('assert');
const dnsPromises = require('dns').promises;
// Error when rrtype is invalid.
{
const rrtype = 'DUMMY';
assert.throws(
() => dnsPromises.resolve('example.org', rrtype),
{
code: 'ERR_INVALID_ARG_VALUE',
name: 'TypeError',
message: `The argument 'rrtype' is invalid. Received '${rrtype}'`
}
);
}
// Error when rrtype is a number.
{
const rrtype = 0;
assert.throws(
() => dnsPromises.resolve('example.org', rrtype),
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: 'The "rrtype" argument must be of type string. ' +
`Received type ${typeof rrtype} (${rrtype})`
}
);
}
// Setting rrtype to undefined should work like resolve4.
{
(async function() {
const rrtype = undefined;
const result = await dnsPromises.resolve('example.org', rrtype);
assert.ok(result !== undefined);
assert.ok(result.length > 0);
})().then(common.mustCall());
}