Failing test for exempt_from_layout :rhtml. References #6742.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5909 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/test/controller/layout_test.rb

@@ -75,6 +75,8 @@ def test_namespaced_controllers_auto_detect_layouts
 class ExemptFromLayoutTest < Test::Unit::TestCase
   def setup
     @controller = LayoutTest.new
+    @request    = ActionController::TestRequest.new
+    @response   = ActionController::TestResponse.new
   end
 
   def test_rjs_exempt_from_layout
@@ -103,6 +105,16 @@ def test_add_regexp_to_exempt_from_layout
     ActionController::Base.exempt_from_layout /\.rdoc/
     assert @controller.send(:template_exempt_from_layout?, 'test.rdoc')
   end
+
+  # TODO: http://dev.rubyonrails.org/ticket/6742
+  # The rhtml exemption is ignored.
+  def test_rhtml_exempt_from_layout_status_should_prevent_layout_render
+    ActionController::Base.exempt_from_layout :rhtml
+    assert @controller.send(:template_exempt_from_layout?, 'test.rhtml')
+
+    get :hello
+    assert_equal 'hello.rhtml', @response.body
+  end
 end