test: simplify test-gc-http-client

Instead of sending a fixed number of requests, detect when GC has started and stop sending requests at that point. PR-URL: #41620 Refs: 47ecf2060343 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: lpinca

test/sequential/test-gc-http-client.js

@@ -5,27 +5,27 @@
 const common = require('../common');
 const onGC = require('../common/ongc');
 
+const cpus = require('os').cpus().length;
+
 function serverHandler(req, res) {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.end('Hello World\n');
 }
 
 const http = require('http');
-const todo = 300;
+let createClients = true;
 let done = 0;
 let count = 0;
 let countGC = 0;
 
-console.log(`We should do ${todo} requests`);
-
 const server = http.createServer(serverHandler);
 server.listen(0, common.mustCall(() => {
- for (let i = 0; i < 15; i++)
- getall();
+ for (let i = 0; i < cpus; i++)
+ getAll();
 }));
 
-function getall() {
- if (count === todo)
+function getAll() {
+ if (!createClients)
  return;
 
  const req = http.get({
@@ -37,7 +37,7 @@ function getall() {
  count++;
  onGC(req, { ongc });
 
- setImmediate(getall);
+ setImmediate(getAll);
 }
 
 function cb(res) {
@@ -49,11 +49,19 @@ function ongc() {
  countGC++;
 }
 
-setInterval(status, 100).unref();
+setImmediate(status);
 
 function status() {
- global.gc();
- console.log('Done: %d/%d', done, todo);
- console.log('Collected: %d/%d', countGC, count);
- if (countGC === todo) server.close();
+ if (done > 0) {
+ createClients = false;
+ global.gc();
+ console.log(`done/collected/total: ${done}/${countGC}/${count}`);
+ if (countGC === count) {
+ server.close();
+ } else {
+ setImmediate(status);
+ }
+ } else {
+ setImmediate(status);
+ }
 }