# File test/test_response.rb, line 295
    def test_message_body
      assert(! @response.closed_head?)
      @response.start_body
      assert(@response.closed_head?)
      assert_equal(1, @write_head_call)
      assert_equal(@response, @write_head_value)

      @response.write("foo\n")
      assert_equal(1, @write_call)
      assert_equal("foo\n", @write_value)
      @response << "bar\n" << "baz\n"
      assert_equal(3, @write_call)
      assert_equal("baz\n", @write_value)
    end