test: move resource intensive tests to sequential

To enable greater parallelization of tests on CI, move resource
intensive tests out of parallel and into sequential.

Ref: https://github.com/nodejs/node/pull/4476
PR-URL: https://github.com/nodejs/node/pull/4615
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/test/sequential/test-http-regr-gh-2928.js b/test/sequential/test-http-regr-gh-2928.js
new file mode 100644
index 0000000000..92cfd9ca35
--- /dev/null
+++ b/test/sequential/test-http-regr-gh-2928.js
@@ -0,0 +1,51 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const httpCommon = require('_http_common');
+const HTTPParser = process.binding('http_parser').HTTPParser;
+const net = require('net');
+
+const PARALLEL = 30;
+const COUNT = httpCommon.parsers.max + 100;
+
+const parsers = new Array(COUNT);
+for (var i = 0; i < parsers.length; i++)
+  parsers[i] = httpCommon.parsers.alloc();
+
+var gotRequests = 0;
+var gotResponses = 0;
+
+function execAndClose() {
+  process.stdout.write('.');
+  if (parsers.length === 0)
+    return;
+
+  const parser = parsers.pop();
+  parser.reinitialize(HTTPParser.RESPONSE);
+  const socket = net.connect(common.PORT);
+  parser.consume(socket._handle._externalStream);
+
+  parser.onIncoming = function onIncoming() {
+    process.stdout.write('+');
+    gotResponses++;
+    parser.unconsume(socket._handle._externalStream);
+    httpCommon.freeParser(parser);
+    socket.destroy();
+    setImmediate(execAndClose);
+  };
+}
+
+var server = net.createServer(function(c) {
+  if (++gotRequests === COUNT)
+    server.close();
+  c.end('HTTP/1.1 200 OK\r\n\r\n', function() {
+    c.destroySoon();
+  });
+}).listen(common.PORT, function() {
+  for (var i = 0; i < PARALLEL; i++)
+    execAndClose();
+});
+
+process.on('exit', function() {
+  assert.equal(gotResponses, COUNT);
+});