From 3b6bdfc1050a83c6339421257d60a6163bf3c687 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Thu, 8 Oct 2009 14:13:36 -0500
Subject: API change: content_tag_for outputs prefixed class name

---
 actionpack/lib/action_view/helpers/record_tag_helper.rb | 6 +++---
 actionpack/test/template/record_tag_helper_test.rb      | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/actionpack/lib/action_view/helpers/record_tag_helper.rb b/actionpack/lib/action_view/helpers/record_tag_helper.rb
index 0cdb70e217..31411dc08a 100644
--- a/actionpack/lib/action_view/helpers/record_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/record_tag_helper.rb
@@ -15,7 +15,7 @@ module ActionView
       def div_for(record, *args, &block)
         content_tag_for(:div, record, *args, &block)
       end
-  
+
       # content_tag_for creates an HTML element with id and class parameters
       # that relate to the specified Active Record object. For example:
       #
@@ -34,7 +34,7 @@ module ActionView
       #    <% content_tag_for(:tr, @person, :foo) do %> ...
       #
       # produces:
-      #    
+      #
       #    <tr id="foo_person_123" class="person">...
       #
       # content_tag_for also accepts a hash of options, which will be converted to
@@ -50,7 +50,7 @@ module ActionView
       def content_tag_for(tag_name, record, *args, &block)
         prefix  = args.first.is_a?(Hash) ? nil : args.shift
         options = args.extract_options!
-        options.merge!({ :class => "#{dom_class(record)} #{options[:class]}".strip, :id => dom_id(record, prefix) })
+        options.merge!({ :class => "#{dom_class(record, prefix)} #{options[:class]}".strip, :id => dom_id(record, prefix) })
         content_tag(tag_name, options, &block)
       end
     end
diff --git a/actionpack/test/template/record_tag_helper_test.rb b/actionpack/test/template/record_tag_helper_test.rb
index 77d1374020..1cd18c0692 100644
--- a/actionpack/test/template/record_tag_helper_test.rb
+++ b/actionpack/test/template/record_tag_helper_test.rb
@@ -27,7 +27,7 @@ class RecordTagHelperTest < ActionView::TestCase
   end
 
   def test_content_tag_for_prefix
-    expected = %(<ul class="post" id="archived_post_45"></ul>)
+    expected = %(<ul class="archived_post" id="archived_post_45"></ul>)
     actual = content_tag_for(:ul, @post, :archived) { }
     assert_dom_equal expected, actual
   end
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