# File test/unit/assertions.rb, line 231
      def assert_no_match(regexp, string, message="")
        _wrap_assertion do
          assert_instance_of(Regexp, regexp, "The first argument to assert_does_not_match should be a Regexp.")
          full_message = build_message(message, regexp.source, string) do |arg1, arg2|
            "</#{arg1}/> expected to not match\n" +
            " <#{arg2}>"
          end
          assert_block(full_message) { regexp !~ string }
        end
      end