test_node_http_host_header_ipv6.cjs
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test_node_http_host_header_ipv6.cjs
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	const assert = require('node:assert');
	const http = require('node:http');
	const net = require('node:net');

	let observedHostHeader;

	const server = net.createServer((socket) => {
	socket.once('data', (chunk) => {
	const request = chunk.toString('latin1');
	const match = /^Host: ([^\r\n]*)/im.exec(request);
	observedHostHeader = match ? match[1] : undefined;

	socket.write(
	'HTTP/1.1 101 Switching Protocols\r\n' +
	'Connection: Upgrade\r\n' +
	'Upgrade: test\r\n' +
	'\r\n'
	);
	});
	});

	server.listen(0, '::1', () => {
	const { port } = server.address();
	const req = http.request({
	host: '::1',
	port,
	path: '/',
	headers: {
	Connection: 'Upgrade',
	Upgrade: 'test',
	},
	});

	req.on('upgrade', (_res, socket) => {
	assert.strictEqual(observedHostHeader, `[::1]:${port}`);
	socket.destroy();
	server.close(() => {
	console.log('node-http:ipv6-host-header:ok');
	});
	});

	req.on('error', (error) => {
	server.close(() => {
	throw error;
	});
	});

	req.end();
	});