From 5c9f33e582ec088a6d0d4cd10c9e277608599275 Mon Sep 17 00:00:00 2001
From: Jakub Pawlowicz <contact@jakubpawlowicz.com>
Date: Sat, 7 Feb 2015 12:16:07 +0000
Subject: [PATCH] Fixes #455 - whitespace between braces.

`( (` was handled incorrectly as the first brace got removed.
---
 History.md               | 1 +
 lib/utils/extractors.js  | 4 +++-
 test/integration-test.js | 4 ++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/History.md b/History.md
index abbd3e27..507093d4 100644
--- a/History.md
+++ b/History.md
@@ -19,6 +19,7 @@
 ==================
 
 * Fixed issue [#453](https://github.com/jakubpawlowicz/clean-css/issues/453) - double `background-repeat`.
+* Fixed issue [#455](https://github.com/jakubpawlowicz/clean-css/issues/455) - property extracting regression.
 
 [3.0.9 / 2015-02-04](https://github.com/jakubpawlowicz/clean-css/compare/v3.0.8...v3.0.9)
 ==================
diff --git a/lib/utils/extractors.js b/lib/utils/extractors.js
index e19c7681..0cc78700 100644
--- a/lib/utils/extractors.js
+++ b/lib/utils/extractors.js
@@ -14,6 +14,7 @@ var Extractors = {
     var isSpecial;
     var wasSpecial;
     var current;
+    var last;
     var secondToLast;
     var wasCloseParenthesis;
     var isEscape;
@@ -66,8 +67,9 @@ var Extractors = {
         isSpecial = current === ':' || current === '[' || current === ']' || current === ',' || current === '(' || current === ')';
 
         if (wasWhitespace && isSpecial) {
+          last = buffer[buffer.length - 1];
           secondToLast = buffer[buffer.length - 2];
-          if (secondToLast != '+' && secondToLast != '-' && secondToLast != '/' && secondToLast != '*')
+          if (secondToLast != '+' && secondToLast != '-' && secondToLast != '/' && secondToLast != '*' && last != '(')
             buffer.pop();
           buffer.push(current);
         } else if (isWhitespace && wasSpecial && !wasCloseParenthesis) {
diff --git a/test/integration-test.js b/test/integration-test.js
index 17f851f5..d2eacb3b 100644
--- a/test/integration-test.js
+++ b/test/integration-test.js
@@ -136,6 +136,10 @@ vows.describe('integration tests').addBatch({
       'body{margin-left:calc(50vw + (1024px/2))}',
       'body{margin-left:calc(50vw + (1024px/2))}'
     ],
+    'with space between braces': [
+      'body{width:calc( ( 100% - 12px) / 3 )}',
+      'body{width:calc((100% - 12px)/ 3)}'
+    ],
     'before colon': [
       '#test{padding-left :0}',
       '#test{padding-left:0}'
-- 
2.34.1