From 0d52abfd0ea42ba8f9bac996378087be42b93917 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Wed, 26 Oct 2005 13:10:03 +0000
Subject: Added petabytes and exebytes to numeric extensions (closes #2397)
 [timct@mac.com]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2746 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activesupport/CHANGELOG                                    |  2 ++
 activesupport/lib/active_support/core_ext/numeric/bytes.rb | 11 +++++++++++
 activesupport/test/core_ext/numeric_ext_test.rb            |  4 +++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index b1c1f12d29..a26598ffc2 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Added petabytes and exebytes to numeric extensions #2397 [timct@mac.com]
+
 * Added Time#end_of_month to accompany Time#beginning_of_month #2514 [Jens-Christian Fischer]
 
 
diff --git a/activesupport/lib/active_support/core_ext/numeric/bytes.rb b/activesupport/lib/active_support/core_ext/numeric/bytes.rb
index 98e5e13abb..56477673a3 100644
--- a/activesupport/lib/active_support/core_ext/numeric/bytes.rb
+++ b/activesupport/lib/active_support/core_ext/numeric/bytes.rb
@@ -27,6 +27,17 @@ module ActiveSupport #:nodoc:
           self * 1024.gigabytes
         end
         alias :terabyte :terabytes
+        
+        def petabytes
+          self * 1024.terabytes
+        end
+        alias :petabyte :petabytes
+        
+        def exabytes
+          self * 1024.petabytes
+        end
+        alias :exabyte :exabytes
+        
       end
     end
   end
diff --git a/activesupport/test/core_ext/numeric_ext_test.rb b/activesupport/test/core_ext/numeric_ext_test.rb
index 770c82c872..828276d46a 100644
--- a/activesupport/test/core_ext/numeric_ext_test.rb
+++ b/activesupport/test/core_ext/numeric_ext_test.rb
@@ -46,7 +46,9 @@ class NumericExtSizeTest < Test::Unit::TestCase
       1.kilobyte ** 4  =>   1.terabyte,
       1024.kilobytes + 2.megabytes =>   3.megabytes,
                    2.gigabytes / 4 => 512.megabytes,
-      256.megabytes * 20 + 5.gigabytes => 10.gigabytes
+      256.megabytes * 20 + 5.gigabytes => 10.gigabytes,
+      1.kilobyte ** 5 => 1.petabyte,
+      1.kilobyte ** 6 => 1.exabyte
     }
 
     relationships.each do |left, right|
-- 
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