From 2a95c631dae92b3b6845cdd93dc94e04b93b1450 Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Wed, 8 Feb 2017 10:41:26 -0500
Subject: [PATCH] test: add coverage to dgram receive error case

This commit adds coverage for the case where a dgram socket
handle receives a message, but nread < 0, indicating an error.

PR-URL: https://github.com/nodejs/node/pull/11241
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
---
 test/parallel/test-dgram-recv-error.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/parallel/test-dgram-recv-error.js

diff --git a/test/parallel/test-dgram-recv-error.js b/test/parallel/test-dgram-recv-error.js
new file mode 100644
index 00000000000000..5470ab8f07c2a1
--- /dev/null
+++ b/test/parallel/test-dgram-recv-error.js
@@ -0,0 +1,16 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const dgram = require('dgram');
+const s = dgram.createSocket('udp4');
+
+s.on('error', common.mustCall((err) => {
+  s.close();
+
+  // Don't check the full error message, as the errno is not important here.
+  assert(/^Error: recvmsg/.test(err));
+  assert.strictEqual(err.syscall, 'recvmsg');
+}));
+
+s.on('message', common.mustNotCall('no message should be received.'));
+s.bind(common.mustCall(() => s._handle.onmessage(-1, s._handle, null, null)));