# File test/unit/assertions.rb, line 108 def assert_kind_of(klass, object, message="") _wrap_assertion do 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) do |arg1, arg2| "<#{arg1}>\n" + "expected to be kind_of?<#{arg2}>" end assert_block(full_message) { object.kind_of?(klass) } end end