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test: refactor test-net-dns-error #19640

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test: refactor test-net-dns-error #19640

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17 changes: 5 additions & 12 deletions test/parallel/test-net-dns-error.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,27 +21,20 @@

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

const assert = require('assert');
const net = require('net');

const host = '*'.repeat(256);
const errCode = common.isOpenBSD ? 'EAI_FAIL' : 'ENOTFOUND';

let errCode = 'ENOTFOUND';
if (common.isOpenBSD)
errCode = 'EAI_FAIL';

function do_not_call() {
throw new Error('This function should not have been called.');
}

const socket = net.connect(42, host, do_not_call);
const socket = net.connect(42, host, common.mustNotCall());
socket.on('error', common.mustCall(function(err) {
assert.strictEqual(err.code, errCode);
}));
socket.on('lookup', function(err, ip, type) {
socket.on('lookup', common.mustCall(function(err, ip, type) {
assert(err instanceof Error);
assert.strictEqual(err.code, errCode);
assert.strictEqual(ip, undefined);
assert.strictEqual(type, undefined);
});
}));