From e4ea3fb05f1fa0e962dc62582ae29d898d16cbc7 Mon Sep 17 00:00:00 2001
From: Ryan Graham <ryan@strongloop.com>
Date: Fri, 8 Aug 2014 18:17:14 -0700
Subject: [PATCH] test: ensure parent type guard is working

---
 test/ctor.test.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/test/ctor.test.js b/test/ctor.test.js
index ce6f36d..2435497 100644
--- a/test/ctor.test.js
+++ b/test/ctor.test.js
@@ -132,3 +132,17 @@ test('ensure Logger child() options', function (t) {
 
     t.end();
 });
+
+
+test('ensure Logger() rejects non-Logger parents', function (t) {
+    var dad = new Logger({name: 'dad', streams: []});
+
+    t.throws(function () { new Logger({}, {}); },
+        /invalid Logger creation: do not pass a second arg/,
+        'Logger arguments must be valid');
+
+    t.doesNotThrow(function () { new Logger(dad, {}); },
+        'Logger allows Logger instance as parent');
+
+    t.end();
+});