From 994d648f32314188a51ca1b1888184bd8452440a Mon Sep 17 00:00:00 2001
From: David DeSandro <desandrocodes@gmail.com>
Date: Tue, 14 May 2013 07:38:38 -0400
Subject: [PATCH] prevent setting negative size. Fixes #38 negative size causes
 error in IE

---
 bower.json             | 2 +-
 js/packery.js          | 4 +++-
 test/defaults-empty.js | 2 ++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/bower.json b/bower.json
index 3a340c5..2d70372 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "packery",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "author": "David DeSandro / Metafizzy",
   "description": "bin-packing layout library",
   "main": [
diff --git a/js/packery.js b/js/packery.js
index bb72b4b..3bfaaa3 100644
--- a/js/packery.js
+++ b/js/packery.js
@@ -1,5 +1,5 @@
 /*!
- * Packery v1.0.4
+ * Packery v1.0.5
  * bin-packing layout library
  * http://packery.metafizzy.co
  *
@@ -357,6 +357,8 @@ Packery.prototype.layoutItems = function( items, isInstant ) {
     elemH += elemSize.paddingBottom + elemSize.paddingTop +
       elemSize.borderTopWidth + elemSize.borderBottomWidth;
   }
+  // prevent negative size, which causes error in IE
+  elemH = Math.max( elemH, 0 );
   this.element.style.height = elemH + 'px';
 };
 
diff --git a/test/defaults-empty.js b/test/defaults-empty.js
index cdb7710..67a5156 100644
--- a/test/defaults-empty.js
+++ b/test/defaults-empty.js
@@ -18,6 +18,8 @@ test( 'defaults / empty', function() {
     return true; // bind once
   });
   stop();
+  // add gutter, to check that container size doesn't get negative number
+  pckry.options.gutter = 20;
   pckry.layout();
 });