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test: Use countdown in test file #17646

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test: Use countdown in test file 
Fixes: #17169
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@sreepurnajasti
sreepurnajasti committed Dec 15, 2017
commit 2879207e428183403a4d7346c7c63fe4e150de71
25 changes: 6 additions & 19 deletions test/parallel/test-http-pipeline-regr-3332.js
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Original file line number Diff line number Diff line change
@@ -1,40 +1,27 @@
'use strict';
require('../common');
const assert = require('assert');
const http = require('http');
const net = require('net');
const Countdown = require('../common/countdown');

const big = Buffer.alloc(16 * 1024, 'A');

const COUNT = 1e4;

let received = 0;
const countdown = new Countdown(COUNT, () => {
server.close();
client.end();
});

let client;
const server = http.createServer(function(req, res) {
res.end(big, function() {
if (++received === COUNT) {
server.close();
client.end();
}
countdown.dec();
});
}).listen(0, function() {
const req = 'GET / HTTP/1.1\r\n\r\n'.repeat(COUNT);
client = net.connect(this.address().port, function() {
client.write(req);
});

// Just let the test terminate instead of hanging
client.on('close', function() {
if (received !== COUNT)
server.close();
});
client.resume();
});

process.on('exit', function() {
// The server should pause connection on pipeline flood, but it shoul still
// resume it and finish processing the requests, when its output queue will
// be empty again.
assert.strictEqual(received, COUNT);
});