# File test/unit/assertions.rb, line 120

                        def assert_kind_of(klass, object, message="")

                                _wrap_assertion {

                                        assert(klass.kind_of?(Module), "The first parameter to assert_kind_of should be a kind_of Module.")

                                        full_message = build_message(message, object, klass) {

                                                | arg1, arg2 |

                                                "<#{arg1}>\n" +

                                                "expected to be kind_of?<#{arg2}>"

                                        }

                                        assert_block(full_message) {

                                                object.kind_of?(klass)

                                        }

                                }

                        end