http2: make compat finished match http/1

finished should true directly after end().
PR-URL: #24347
Refs: #24743
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: ronag

lib/internal/http2/compat.js

@@ -471,10 +471,8 @@ class Http2ServerResponse extends Stream {
 }
 
 getfinished(){
-conststream=this[kStream];
-returnstream.destroyed||
-stream._writableState.ended||
-this[kState].closed;
+conststate=this[kState];
+returnstate.ending;
 }
 
 getsocket(){
@@ -700,12 +698,11 @@ class Http2ServerResponse extends Stream {
 if(chunk!==null&&chunk!==undefined)
 this.write(chunk,encoding);
 
-constisFinished=this.finished;
 state.headRequest=stream.headRequest;
 state.ending=true;
 
 if(typeofcb==='function'){
-if(isFinished)
+if(stream.writableEnded)
 this.once('finish',cb);
 else
 stream.once('finish',cb);
@@ -714,7 +711,7 @@ class Http2ServerResponse extends Stream {
 if(!stream.headersSent)
 this.writeHead(this[kState].statusCode);
 
-if(isFinished)
+if(this[kState].closed||stream.destroyed)
 onStreamCloseResponse.call(stream);
 else
 stream.end();

test/parallel/test-http2-compat-serverresponse-end.js

@@ -149,11 +149,13 @@ const {
 // Http2ServerResponse.end is necessary on HEAD requests in compat
 // for http1 compatibility
 constserver=createServer(mustCall((request,response)=>{
-strictEqual(response.finished,true);
 strictEqual(response.writableEnded,false);
+strictEqual(response.finished,false);
 response.writeHead(HTTP_STATUS_OK,{foo: 'bar'});
+strictEqual(response.finished,false);
 response.end('data',mustCall());
 strictEqual(response.writableEnded,true);
+strictEqual(response.finished,true);
 }));
 server.listen(0,mustCall(()=>{
 const{ port }=server.address();