test: improve test-tcp-wrap-listen

PR-URL: #12599 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]>

Author: QueueHefner

test/parallel/test-tcp-wrap-listen.js

@@ -15,12 +15,6 @@ port = port.port;
 
 server.listen(128);
 
-letsliceCount=0;
-leteofCount=0;
-
-letwriteCount=0;
-letrecvCount=0;
-
 server.onconnection=(err,client)=>{
 assert.strictEqual(0,client.writeQueueSize);
 console.log('got connection');
@@ -34,7 +28,7 @@ server.onconnection = (err, client) =>{
 
 client.readStart();
 client.pendingWrites=[];
-client.onread=(err,buffer)=>{
+client.onread=common.mustCall((err,buffer)=>{
 if(buffer){
 assert.ok(buffer.length>0);
 
@@ -51,7 +45,7 @@ server.onconnection = (err, client) =>{
 assert.strictEqual(0,client.writeQueueSize);
 
 if(req.async)
-req.oncomplete=done;
+req.oncomplete=common.mustCall(done);
 else
 process.nextTick(done.bind(null,0,client,req));
 
@@ -66,20 +60,16 @@ server.onconnection = (err, client) =>{
 console.log('client.writeQueueSize: '+client.writeQueueSize);
 assert.strictEqual(0,client.writeQueueSize);
 
-writeCount++;
-console.log('write '+writeCount);
 maybeCloseClient();
 }
 
-sliceCount++;
 }else{
 console.log('eof');
 client.gotEOF=true;
 server.close();
-eofCount++;
 maybeCloseClient();
 }
-};
+},2);
 };
 
 constnet=require('net');
@@ -89,18 +79,10 @@ const c = net.createConnection(port);
 c.on('connect',common.mustCall(()=>{c.end('hello world');}));
 
 c.setEncoding('utf8');
-c.on('data',(d)=>{
+c.on('data',common.mustCall((d)=>{
 assert.strictEqual('hello world',d);
-recvCount++;
-});
+}));
 
 c.on('close',()=>{
 console.error('client closed');
 });
-
-process.on('exit',()=>{
-assert.strictEqual(1,sliceCount);
-assert.strictEqual(1,eofCount);
-assert.strictEqual(1,writeCount);
-assert.strictEqual(1,recvCount);
-});