test default content type for implicit rjs template render

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5143 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/test/controller/content_type_test.rb

@@ -25,6 +25,9 @@ def render_default_for_rhtml
   def render_default_for_rxml
   end
 
+  def render_default_for_rjs
+  end
+
   def render_change_for_rxml
     response.content_type = Mime::HTML
     render :action => "render_default_for_rxml"
@@ -100,6 +103,12 @@ def test_default_for_rxml
     assert_equal "utf-8", @response.charset    
   end
 
+  def test_default_for_rjs
+    xhr :post, :render_default_for_rjs
+    assert_equal Mime::JS, @response.content_type
+    assert_equal "utf-8", @response.charset    
+  end
+
   def test_change_for_rxml
     get :render_change_for_rxml
     assert_equal Mime::HTML, @response.content_type

actionpack/test/fixtures/content_type/render_default_for_rjs.rjs

+page.alert 'hello world!'
\ No newline at end of file