43 lines
997 B
JavaScript
43 lines
997 B
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const dnsPromises = require('dns').promises;
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// Error when rrtype is invalid.
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{
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const rrtype = 'DUMMY';
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assert.throws(
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() => dnsPromises.resolve('example.org', rrtype),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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name: 'TypeError',
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message: `The value "${rrtype}" is invalid for option "rrtype"`
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}
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);
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}
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// Error when rrtype is a number.
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{
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const rrtype = 0;
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assert.throws(
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() => dnsPromises.resolve('example.org', rrtype),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "rrtype" argument must be of type string. ' +
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`Received type ${typeof rrtype} (${rrtype})`
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}
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);
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}
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// Setting rrtype to undefined should work like resolve4.
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{
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(async function() {
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const rrtype = undefined;
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const result = await dnsPromises.resolve('example.org', rrtype);
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assert.ok(result !== undefined);
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assert.ok(result.length > 0);
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})();
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}
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