# File test/unit/assertions.rb, line 50
                        def assert_equal(expected, actual, message=nil)
                                _wrap_assertion {
                                        full_message = build_message(message, expected, actual) {
                                                | arg1, arg2 |
                                                "<#{arg1}> expected but was\n" +
                                                "<#{arg2}>"
                                        }
                                        assert_block(full_message) {
                                                expected == actual
                                        }
                                }
                        end