From 1abccbf9eb6774964cffd85e40cdac4720e88f36 Mon Sep 17 00:00:00 2001
From: Corey Johnson <cj@github.com>
Date: Mon, 19 Dec 2011 16:40:55 -0800
Subject: [PATCH] Buffer with no url returns Text as its mode.

---
 spec/atom/buffer-spec.coffee | 7 +++++--
 src/atom/buffer.coffee       | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/spec/atom/buffer-spec.coffee b/spec/atom/buffer-spec.coffee
index a7f91fd16..1602c082b 100644
--- a/spec/atom/buffer-spec.coffee
+++ b/spec/atom/buffer-spec.coffee
@@ -51,7 +51,10 @@ describe 'Buffer', ->
         buffer = new Buffer 'something.js'
         expect(buffer.getMode().name).toBe 'javascript'
 
-    describe "when no url is given", ->
-      it "sets 'mode' to text mode", ->
         buffer = new Buffer 'something'
         expect(buffer.getMode().name).toBe 'text'
+
+    describe "when no url is given", ->
+      it "sets 'mode' to text mode", ->
+        buffer = new Buffer null
+        expect(buffer.getMode().name).toBe 'text'
diff --git a/src/atom/buffer.coffee b/src/atom/buffer.coffee
index b268e1663..89218cc9b 100644
--- a/src/atom/buffer.coffee
+++ b/src/atom/buffer.coffee
@@ -23,7 +23,7 @@ class Buffer
   getMode: ->
     return @mode if @mode
 
-    extension = @url.split('/').pop().split('.').pop()
+    extension = if @url then @url.split('/').pop().split('.').pop() else null
     modeName = switch extension
       when "js" then "javascript"
       else "text"