test: covering destroying when worker already disconnected

This test covers 374 line in lib/internal/cluster/master that was uncovered by previous tests PR-URL: #27896 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Ujjwal Sharma <[email protected]> Reviewed-By: Сковорода Никита Андреевич <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Author: Keroosha

test/parallel/test-cluster-call-and-destroy.js

@@ -0,0 +1,15 @@
+'use strict';
+constcommon=require('../common');
+constcluster=require('cluster');
+constassert=require('assert');
+
+if(cluster.isMaster){
+constworker=cluster.fork();
+worker.on('disconnect',common.mustCall(()=>{
+assert.strictEqual(worker.isConnected(),false);
+worker.destroy();
+}));
+}else{
+assert.strictEqual(cluster.worker.isConnected(),true);
+cluster.worker.disconnect();
+}