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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
{
// IPv4 Test
const socket = dgram.createSocket('udp4');
socket.on('listening', common.mustCall(() => {
const address = socket.address();
assert.strictEqual(address.address, common.localhostIPv4);
assert.strictEqual(typeof address.port, 'number');
assert.ok(isFinite(address.port));
assert.ok(address.port > 0);
assert.strictEqual(address.family, 'IPv4');
socket.close();
}));
socket.on('error', (err) => {
socket.close();
common.fail(`Unexpected error on udp4 socket. ${err.toString()}`);
});
socket.bind(0, common.localhostIPv4);
}
if (common.hasIPv6) {
// IPv6 Test
const socket = dgram.createSocket('udp6');
const localhost = '::1';
socket.on('listening', common.mustCall(() => {
const address = socket.address();
assert.strictEqual(address.address, localhost);
assert.strictEqual(typeof address.port, 'number');
assert.ok(isFinite(address.port));
assert.ok(address.port > 0);
assert.strictEqual(address.family, 'IPv6');
socket.close();
}));
socket.on('error', (err) => {
socket.close();
common.fail(`Unexpected error on udp6 socket. ${err.toString()}`);
});
socket.bind(0, localhost);
}
{
// Verify that address() throws if the socket is not bound.
const socket = dgram.createSocket('udp4');
assert.throws(() => {
socket.address();
}, /^Error: getsockname EINVAL$/);
}
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