fix: test-http-request-dont-override-options.js

test/js/node/test/parallel/test-http-request-dont-override-options.js

@@ -0,0 +1,40 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const http = require('http');
+
+
+const server = http.createServer(common.mustCall(function(req, res) {
+  res.writeHead(200);
+  res.end('ok');
+}));
+
+server.listen(0, function() {
+  const agent = new http.Agent();
+  agent.defaultPort = this.address().port;
+
+  // Options marked as explicitly undefined for readability
+  // in this test, they should STAY undefined as options should not
+  // be mutable / modified
+  const options = {
+    host: undefined,
+    hostname: common.localhostIPv4,
+    port: undefined,
+    defaultPort: undefined,
+    path: undefined,
+    method: undefined,
+    agent: agent
+  };
+
+  http.request(options, function(res) {
+    res.resume();
+    server.close();
+    assert.strictEqual(options.host, undefined);
+    assert.strictEqual(options.hostname, common.localhostIPv4);
+    assert.strictEqual(options.port, undefined);
+    assert.strictEqual(options.defaultPort, undefined);
+    assert.strictEqual(options.path, undefined);
+    assert.strictEqual(options.method, undefined);
+  }).end();
+});