Files
node/test/parallel/test-internal-net-isLoopback.js
2026-09-02 03:55:41 +00:00

39 lines
675 B
JavaScript

// Flags: --expose-internals
'use strict';
require('../common');
const assert = require('assert');
const net = require('internal/net');
const loopback = [
'localhost',
'127.0.0.1',
'127.0.0.255',
'127.1.2.3',
'[::1]',
'::1',
'[0:0:0:0:0:0:0:1]',
'0:0:0:0:0:0:0:1',
];
const loopbackNot = [
'example.com',
'192.168.1.1',
'10.0.0.1',
'255.255.255.255',
'[2001:db8::1]',
'[fe80::1]',
'8.8.8.8',
'::2',
'[::2]',
'0:0:0:0:0:0:0:2',
'[0:0:0:0:0:0:0:2]',
];
for (const address of loopback) {
assert.strictEqual(net.isLoopback(address), true);
}
for (const address of loopbackNot) {
assert.strictEqual(net.isLoopback(address), false);
}