The image_tag helper is not converting the options hash to symbols (closes #3615) [agkr@pobox.com]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3660 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/asset_tag_helper.rb

@@ -131,7 +131,7 @@ def image_path(source)
       # * file name, like "rss.gif", that gets expanded to "/images/rss.gif"
       # * file name without extension, like "logo", that gets expanded to "/images/logo.png"
       def image_tag(source, options = {})
-        options.symbolize_keys
+        options.symbolize_keys!
                 
         options[:src] = image_path(source)
         options[:alt] ||= File.basename(options[:src], '.*').split('.').first.capitalize

actionpack/test/template/asset_tag_helper_test.rb

@@ -74,6 +74,7 @@ def relative_url_root
     %(image_tag("xml")) => %(<img alt="Xml" src="/images/xml.png" />),
     %(image_tag("rss", :alt => "rss syndication")) => %(<img alt="rss syndication" src="/images/rss.png" />),
     %(image_tag("gold", :size => "45x70")) => %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />),
+    %(image_tag("symbolize", "size" => "45x70")) => %(<img alt="Symbolize" height="70" src="/images/symbolize.png" width="45" />)
   }
 
   def test_auto_discovery
@@ -174,6 +175,7 @@ def relative_url_root
     %(image_tag("rss", :alt => "rss syndication")) => %(<img alt="rss syndication" src="/calloboration/hieraki/images/rss.png" />),
     %(image_tag("gold", :size => "45x70")) => %(<img alt="Gold" height="70" src="/calloboration/hieraki/images/gold.png" width="45" />),
     %(image_tag("http://www.example.com/images/icon.gif")) => %(<img alt="Icon" src="http://www.example.com/images/icon.gif" />),
+    %(image_tag("symbolize", "size" => "45x70")) => %(<img alt="Symbolize" height="70" src="/calloboration/hieraki/images/symbolize.png" width="45" />)
   }
 
   def test_auto_discovery