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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const dns = require('dns');
for (const ctor of [dns.Resolver, dns.promises.Resolver]) {
for (const timeout of [null, true, false, '', '2']) {
assert.throws(() => new ctor({ timeout }), {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
});
}
for (const timeout of [-2, 4.2, 2 ** 31]) {
assert.throws(() => new ctor({ timeout }), {
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError',
});
}
for (const timeout of [-1, 0, 1]) new ctor({ timeout }); // OK
}
for (const timeout of [0, 1, 2]) {
const server = dgram.createSocket('udp4');
server.bind(0, '127.0.0.1', common.mustCall(() => {
const resolver = new dns.Resolver({ timeout });
resolver.setServers([`127.0.0.1:${server.address().port}`]);
resolver.resolve4('nodejs.org', common.mustCall((err) => {
assert.throws(() => { throw err; }, {
code: 'ETIMEOUT',
name: 'Error',
});
server.close();
}));
}));
}
for (const timeout of [0, 1, 2]) {
const server = dgram.createSocket('udp4');
server.bind(0, '127.0.0.1', common.mustCall(() => {
const resolver = new dns.promises.Resolver({ timeout });
resolver.setServers([`127.0.0.1:${server.address().port}`]);
resolver.resolve4('nodejs.org').catch(common.mustCall((err) => {
assert.throws(() => { throw err; }, {
code: 'ETIMEOUT',
name: 'Error',
});
server.close();
}));
}));
}
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