From ef02e5e325828a9d5eb0f6c72d7f0e82078a9f1f Mon Sep 17 00:00:00 2001
From: Vincent Lark <vincent.lark@gmail.com>
Date: Mon, 11 Aug 2014 23:39:36 +0200
Subject: [PATCH] fix and test case for #19

---
 microevent.js             |  3 ++-
 tests/unbound-listener.js | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 tests/unbound-listener.js

diff --git a/microevent.js b/microevent.js
index 45ab5d9..790867c 100755
--- a/microevent.js
+++ b/microevent.js
@@ -19,7 +19,8 @@ MicroEvent.prototype	= {
 	unbind	: function(event, fct){
 		this._events = this._events || {};
 		if( event in this._events === false  )	return;
-		this._events[event].splice(this._events[event].indexOf(fct), 1);
+		var index = this._events[event].indexOf(fct);
+		if( index > -1 ) this._events[event].splice(index, 1);
 	},
 	trigger	: function(event /* , args... */){
 		this._events = this._events || {};
diff --git a/tests/unbound-listener.js b/tests/unbound-listener.js
new file mode 100644
index 0000000..5a85b1e
--- /dev/null
+++ b/tests/unbound-listener.js
@@ -0,0 +1,22 @@
+var MicroEvent = require('../microevent.js')
+
+function Foo () {}
+MicroEvent.mixin(Foo)
+f = new Foo
+
+var legit_listener = function(){
+    console.log("I'm legit");
+}
+
+var unbound_listener = function(){
+    console.log("I'm not so legit");
+}
+
+f.bind("event", legit_listener)
+
+f.unbind("event", unbound_listener)
+
+console.log("You should see \"I'm legit\":")
+console.log("")
+
+f.trigger("event")
\ No newline at end of file