mirror of https://gitee.com/openkylin/nodejs.git
89 lines
2.5 KiB
JavaScript
89 lines
2.5 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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/* eslint-disable strict */
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require('../common');
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const assert = require('assert');
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const net = require('net');
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let binaryString = '';
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for (let i = 255; i >= 0; i--) {
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const s = `'\\${i.toString(8)}'`;
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const S = eval(s);
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assert.strictEqual(S.charCodeAt(0), i);
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assert.strictEqual(S, String.fromCharCode(i));
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binaryString += S;
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}
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// safe constructor
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const echoServer = net.Server(function(connection) {
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connection.setEncoding('latin1');
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connection.on('data', function(chunk) {
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connection.write(chunk, 'latin1');
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});
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connection.on('end', function() {
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connection.end();
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});
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});
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echoServer.listen(0);
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let recv = '';
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echoServer.on('listening', function() {
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let j = 0;
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const c = net.createConnection({
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port: this.address().port
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});
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c.setEncoding('latin1');
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c.on('data', function(chunk) {
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const n = j + chunk.length;
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while (j < n && j < 256) {
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c.write(String.fromCharCode(j), 'latin1');
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j++;
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}
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if (j === 256) {
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c.end();
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}
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recv += chunk;
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});
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c.on('connect', function() {
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c.write(binaryString, 'binary');
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});
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c.on('close', function() {
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echoServer.close();
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});
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});
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process.on('exit', function() {
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assert.strictEqual(recv.length, 2 * 256);
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const a = recv.split('');
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const first = a.slice(0, 256).reverse().join('');
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const second = a.slice(256, 2 * 256).join('');
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assert.strictEqual(first, second);
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});
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