From 5afcf3ac78f3160bb88326b5a150baff32c2fe41 Mon Sep 17 00:00:00 2001
From: Raja Panidepu <rpanidepu@lmdv-rpani.jomax.paholdings.com>
Date: Fri, 2 Dec 2016 17:51:43 -0600
Subject: [PATCH] test: updated test-stream-pipe-unpipe-stream

test readableStream.unpipe(dest) is no operation when dest is
not a destination for readable stream.

PR-URL: https://github.com/nodejs/node/pull/10100
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
---
 test/parallel/test-stream-pipe-unpipe-streams.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/parallel/test-stream-pipe-unpipe-streams.js b/test/parallel/test-stream-pipe-unpipe-streams.js
index c51c100d0f6802..79719add3700fc 100644
--- a/test/parallel/test-stream-pipe-unpipe-streams.js
+++ b/test/parallel/test-stream-pipe-unpipe-streams.js
@@ -25,6 +25,9 @@ source.unpipe(dest2);
 assert.strictEqual(source._readableState.pipes, dest1);
 assert.notStrictEqual(source._readableState.pipes, dest2);
 
+dest2.on('unpipe', common.fail);
+source.unpipe(dest2);
+
 source.unpipe(dest1);
 
 assert.strictEqual(source._readableState.pipes, null);