# File test/unit/assertions.rb, line 153
                        def assert_match(regexp, string, message="")
                                _wrap_assertion {
                                        assert_instance_of(Regexp, regexp, "The first argument to assert_match should be a Regexp.")
                                        full_message = build_message(message, string, regexp.source) {
                                                | arg1, arg2 |
                                                " <#{arg1}>  expected to match regexp\n" +
                                                "</#{arg2}/>"
                                        }
                                        match_data = nil
                                        assert_block(full_message) {
                                                match_data = regexp.match(string)
                                        }
                                        match_data
                                }
                        end