test: add test for tls benchmarks

PR-URL: https://github.com/nodejs/node/pull/18489
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>

benchmark/tls/throughput.js

@@ -40,11 +40,11 @@ function main({ dur, type, size }) {
   };
 
   server = tls.createServer(options, onConnection);
-  setTimeout(done, dur * 1000);
   var conn;
   server.listen(common.PORT, function() {
     const opt = { port: common.PORT, rejectUnauthorized: false };
     conn = tls.connect(opt, function() {
+      setTimeout(done, dur * 1000);
       bench.start();
       conn.on('drain', write);
       write();

test/sequential/test-benchmark-tls.js

@@ -0,0 +1,25 @@
+'use strict';
+
+const common = require('../common');
+
+if (!common.enoughTestMem)
+  common.skip('Insufficient memory for TLS benchmark test');
+
+// Because the TLS benchmarks use hardcoded ports, this should be in sequential
+// rather than parallel to make sure it does not conflict with tests that choose
+// random available ports.
+
+const runBenchmark = require('../common/benchmark');
+
+runBenchmark('tls',
+             [
+               'concurrency=1',
+               'dur=0.1',
+               'n=1',
+               'size=2',
+               'type=asc'
+             ],
+             {
+               NODEJS_BENCHMARK_ZERO_ALLOWED: 1,
+               duration: 0
+             });