Fix NoMethodError when parsing params like &&. [Adam Greenfield]. Closes #4955

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4343 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Fix NoMethodError when parsing params like &&. [Adam Greenfield]
+
 * Fix flip flopped logic in docs for url_for's :only_path option. Closes #4998. [esad@esse.at]
 
 * form.text_area handles the :size option just like the original text_area (:size => '60x10' becomes cols="60" rows="10").  [Jeremy Kemper]

actionpack/lib/action_controller/cgi_ext/cgi_methods.rb

@@ -45,6 +45,7 @@ def CGIMethods.parse_request_parameters(params)
       parsed_params = {}
 
       for key, value in params
+        next if key.nil?
         value = [value] if key =~ /.*\[\]$/
         unless key.include?('[')
           # much faster to test for the most common case first (GET)

actionpack/test/controller/cgi_test.rb

@@ -227,6 +227,12 @@ def test_parse_params_with_unmatched_brackets_and_array
     expected  = { "a/b@" => { "c" => { "d[e" => ["f"] }}}
     assert_equal expected, CGIMethods.parse_request_parameters(input)
   end
+  
+  def test_parse_params_with_nil_key
+    input = { nil => nil, "test2" => %w(value1) }
+    expected = { "test2" => "value1" }
+    assert_equal expected, CGIMethods.parse_request_parameters(input)
+  end
 end
 
 class MultipartCGITest < Test::Unit::TestCase