From 345ff3ce510e9bff7b6ffe0421799feec97128d1 Mon Sep 17 00:00:00 2001
From: iskore <iSkore@users.noreply.github.com>
Date: Sat, 3 Feb 2018 21:52:07 -0500
Subject: [PATCH] test: added tests for setEncoding error check

added test to ensure setEncoding inside socket connection
would throw an error

Fixes: nodejs#18118
Ref: nodejs#18178
---
 .../test-http-socket-encoding-error.js        | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 test/parallel/test-http-socket-encoding-error.js

diff --git a/test/parallel/test-http-socket-encoding-error.js b/test/parallel/test-http-socket-encoding-error.js
new file mode 100644
index 00000000000000..cfb96f4f81bc2e
--- /dev/null
+++ b/test/parallel/test-http-socket-encoding-error.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const common = require('../common');
+const http = require('http');
+
+const server = http.createServer().listen(0, connectToServer);
+
+server.on('connection', (socket) => {
+  common.expectsError(() => socket.setEncoding(''),
+                      {
+                        code: 'ERR_METHOD_NOT_IMPLEMENTED',
+                        type: Error
+                      });
+
+  socket.end();
+});
+
+function connectToServer() {
+  const client = new http.Agent().createConnection(this.address().port, () => {
+    client.end();
+  })
+    .on('end', () => server.close());
+}