Make Request#subdomains handle "foo.foo.com" correctly

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1817 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,3 +1,7 @@
+*SVN*
+
+* Fixed Request#subdomains to handle "foo.foo.com" correctly
+
 *1.9.1* (11 July, 2005)
 
 * Fixed that auto_complete_for didn't force the input string to lower case even as the db comparison was

actionpack/lib/action_controller/request.rb

@@ -116,7 +116,7 @@ module ActionController
     # in "www.rubyonrails.co.uk".
     def subdomains(tld_length = 1)
       parts = host.split('.')
-      parts - parts.last(1 + tld_length)
+      parts[0..-(tld_length+2)]
     end
 
     # Receive the raw post data. 

actionpack/test/controller/request_test.rb

@@ -55,6 +55,9 @@ class RequestTest < Test::Unit::TestCase
 
     @request.host = "dev.www.rubyonrails.co.uk"
     assert_equal %w( dev www ), @request.subdomains(2)
+
+    @request.host = "foobar.foobar.com"
+    assert_equal %w( foobar ), @request.subdomains
   end
   
   def test_port_string