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

@@ -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]
 
 

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

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|