net: check close callback is function

PR-URL: https://github.com/iojs/io.js/pull/609
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Evan Lucas <evanlucas@me.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/test/parallel/test-net-listen-close-server-callback-is-not-function.js b/test/parallel/test-net-listen-close-server-callback-is-not-function.js
new file mode 100644
index 0000000000..f4eff77940
--- /dev/null
+++ b/test/parallel/test-net-listen-close-server-callback-is-not-function.js
@@ -0,0 +1,20 @@
+var assert = require('assert');
+var common = require('../common');
+var net = require('net');
+
+var server = net.createServer(assert.fail);
+var closeEvents = 0;
+
+server.on('close', function() {
+  ++closeEvents;
+});
+
+server.listen(common.PORT, function() {
+  assert(false);
+});
+
+server.close('bad argument');
+
+process.on('exit', function() {
+  assert.equal(closeEvents, 1);
+});