test: update http test to use Countdown

PR-URL: #17477 Refs: #17169 Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Jon Moss <[email protected]>

Author: onneri

test/parallel/test-http-status-code.js

@@ -23,45 +23,36 @@
 require('../common');
 constassert=require('assert');
 consthttp=require('http');
+constCountdown=require('../common/countdown');
 
 // Simple test of Node's HTTP ServerResponse.statusCode
 // ServerResponse.prototype.statusCode
 
-lettestsComplete=0;
 consttests=[200,202,300,404,451,500];
-lettestIdx=0;
+lettest;
+constcountdown=newCountdown(tests.length,()=>s.close());
 
 consts=http.createServer(function(req,res){
-constt=tests[testIdx];
-res.writeHead(t,{'Content-Type': 'text/plain'});
+res.writeHead(test,{'Content-Type': 'text/plain'});
 console.log(`--\nserver: statusCode after writeHead: ${res.statusCode}`);
-assert.strictEqual(res.statusCode,t);
+assert.strictEqual(res.statusCode,test);
 res.end('hello world\n');
 });
 
 s.listen(0,nextTest);
 
 
 functionnextTest(){
-if(testIdx+1===tests.length){
-returns.close();
-}
-consttest=tests[testIdx];
+test=tests.shift();
 
 http.get({port: s.address().port},function(response){
 console.log(`client: expected status: ${test}`);
 console.log(`client: statusCode: ${response.statusCode}`);
 assert.strictEqual(response.statusCode,test);
 response.on('end',function(){
-testsComplete++;
-testIdx+=1;
-nextTest();
+if(countdown.dec())
+nextTest();
 });
 response.resume();
 });
 }
-
-
-process.on('exit',function(){
-assert.strictEqual(5,testsComplete);
-});