node/test/parallel/test-dns-regress-7070.js

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'use strict';
const common = require('../common');
const assert = require('assert');
const dns = require('dns');

// Should not raise assertion error. Issue #7070
assert.throws(() => dns.resolveNs([]), // bad name
              common.expectsError({
                code: 'ERR_INVALID_ARG_TYPE',
                type: TypeError,
                message: /^The "name" argument must be of type string/
              }));
assert.throws(() => dns.resolveNs(''), // bad callback
              common.expectsError({
                code: 'ERR_INVALID_CALLBACK',
                type: TypeError
              }));