From: Han Hua <ahua@groupon.com>
Date: Wed, 5 Mar 2014 19:58:54 +0000 (-0600)
Subject: Fixes #252 - box-shadow with three zeros compression
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=69a6626fcffc89a795998e9e49667e36540fabcf;p=clean-css.git

Fixes #252 - box-shadow with three zeros compression
---

diff --git a/lib/clean.js b/lib/clean.js
index 1969e4ef..9423e9cb 100644
--- a/lib/clean.js
+++ b/lib/clean.js
@@ -305,7 +305,7 @@ var minify = function(data, callback) {
   replace(/background:(?:none|transparent)([;}])/g, 'background:0 0$1');
 
   // multiple zeros into one
-  replace(/box-shadow:0 0 0 0([^\.])/g, 'box-shadow:0 0$1');
+  replace(/box-shadow:0 0 0( 0)?([^\.])/g, 'box-shadow:0 0$2');
   replace(/:0 0 0 0([^\.])/g, ':0$1');
   replace(/([: ,=\-])0\.(\d)/g, '$1.$2');
 
diff --git a/test/unit-test.js b/test/unit-test.js
index 819a2ae1..19b68192 100644
--- a/test/unit-test.js
+++ b/test/unit-test.js
@@ -406,10 +406,14 @@ vows.describe('clean-units').addBatch({
       'div{clip:rect(0px 0px 0px 10px)}',
       'div{clip:rect(0 0 0 10px)}'
     ],
-    'box shadow zeros': [
+    'box shadow zeros with four zeros': [
       'a{box-shadow:0 0 0 0}',
       'a{box-shadow:0 0}'
     ],
+    'box shadow with three zeros ': [
+      'a{box-shadow:0 0 0}',
+      'a{box-shadow:0 0}'
+    ],
     'rems': [
       'div{width:0rem;height:0rem}',
       'div{width:0;height:0}'