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'use strict'; const { mustCall } = require('../common'); const assert = require('assert'); const http = require('http'); const net = require('net'); // https://github.com/nodejs/node/issues/17789 - a connection upgrade response // that has a Transfer-Encoding header and a body whose first byte is > 127 // triggers a bug where said byte is skipped over. net.createServer(mustCall(function(conn) { conn.write('HTTP/1.1 101 Switching Protocols\r\n' + 'Connection: upgrade\r\n' + 'Transfer-Encoding: chunked\r\n' + 'Upgrade: websocket\r\n' + '\r\n' + '\u0080', 'latin1'); this.close(); })).listen(0, mustCall(function() { http.get({ host: this.address().host, port: this.address().port, headers: { 'Connection': 'upgrade', 'Upgrade': 'websocket' }, }).on('upgrade', mustCall((res, conn, head) => { assert.strictEqual(head.length, 1); assert.strictEqual(head[0], 128); conn.destroy(); })); }));