From d398b8f02be73f2846a62080ebfbd65ede0c7d50 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronagy@icloud.com>
Date: Sat, 21 Sep 2019 01:29:41 +0200
Subject: stream: make _write() optional when _writev() is implemented

When implementing _writev, _write should be optional.

PR-URL: https://github.com/nodejs/node/pull/29639
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 test/parallel/test-stream-writev.js | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test')

diff --git a/test/parallel/test-stream-writev.js b/test/parallel/test-stream-writev.js
index 1123e66ddc..7aba543f07 100644
--- a/test/parallel/test-stream-writev.js
+++ b/test/parallel/test-stream-writev.js
@@ -119,3 +119,12 @@ function test(decode, uncork, multi, next) {
     next();
   });
 }
+
+{
+  const w = new stream.Writable({
+    writev: common.mustCall(function(chunks, cb) {
+      cb();
+    })
+  });
+  w.write('asd', common.mustCall());
+}
-- 
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