test: replace function with arrow function

PR-URL: #17305 Reviewed-By: Yosuke Furukawa <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Daijiro Wachi <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Jon Moss <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: kou-hin

test/parallel/test-http.js

@@ -72,41 +72,41 @@ server.on('listening', function(){
 Cookie: ['foo=bar','bar=baz','baz=quux']
 },
 agent: agent
-},common.mustCall(function(res){
+},common.mustCall((res)=>{
 constcookieHeaders=req._header.match(/^Cookie:.+$/img);
 assert.deepStrictEqual(cookieHeaders,
 ['Cookie: foo=bar; bar=baz; baz=quux']);
 assert.strictEqual(res.statusCode,200);
 letbody='';
 res.setEncoding('utf8');
-res.on('data',function(chunk){body+=chunk;});
-res.on('end',common.mustCall(function(){
+res.on('data',(chunk)=>{body+=chunk;});
+res.on('end',common.mustCall(()=>{
 assert.strictEqual(body,'The path was /hello');
 }));
 }));
 
-setTimeout(common.mustCall(function(){
+setTimeout(common.mustCall(()=>{
 constreq=http.request({
 port: server.address().port,
 method: 'PUT',
 path: '/there',
 agent: agent
-},common.mustCall(function(res){
+},common.mustCall((res)=>{
 constcookieHeaders=req._header.match(/^Cookie:.+$/img);
 assert.deepStrictEqual(cookieHeaders,['Cookie: node=awesome; ta=da']);
 assert.strictEqual(res.statusCode,200);
 letbody='';
 res.setEncoding('utf8');
-res.on('data',function(chunk){body+=chunk;});
-res.on('end',common.mustCall(function(){
+res.on('data',(chunk)=>{body+=chunk;});
+res.on('end',common.mustCall(()=>{
 assert.strictEqual(body,'The path was /there');
 }));
 }));
 req.setHeader('Cookie',['node=awesome','ta=da']);
 req.end();
 }),1);
 
-setTimeout(common.mustCall(function(){
+setTimeout(common.mustCall(()=>{
 constreq=http.request({
 port: server.address().port,
 method: 'POST',
@@ -115,7 +115,7 @@ server.on('listening', function(){
 ['Cookie','def=456'],
 ['Cookie','ghi=789']],
 agent: agent
-},common.mustCall(function(res){
+},common.mustCall((res)=>{
 constcookieHeaders=req._header.match(/^Cookie:.+$/img);
 assert.deepStrictEqual(cookieHeaders,
 ['Cookie: abc=123',
@@ -124,8 +124,8 @@ server.on('listening', function(){
 assert.strictEqual(res.statusCode,200);
 letbody='';
 res.setEncoding('utf8');
-res.on('data',function(chunk){body+=chunk;});
-res.on('end',common.mustCall(function(){
+res.on('data',(chunk)=>{body+=chunk;});
+res.on('end',common.mustCall(()=>{
 assert.strictEqual(body,'The path was /world');
 }));
 }));