assert (Breakpoint)

    # File lib/active_support/breakpoint.rb, line 240
      def assert(context = nil, &condition)
        return if Breakpoint.optimize_asserts and not $DEBUG
        return if yield

        callstack = caller
        callstack.slice!(0, 3) if callstack.first["assert"]
        file, line, method = *callstack.first.match(/^(.+?):(\d+)(?::in `(.*?)')?/).captures

        message = "Assert failed at #{file}:#{line}#{" in `#{method}'" if method}."

        if Breakpoint.asserts_cause_exceptions and not $DEBUG then
          raise(Breakpoint::FailedAssertError, message)
        end

        message += " Executing implicit breakpoint."

        if context then
          return handle_breakpoint(context, message, file, line)
        end

        Binding.of_caller do |context|
          handle_breakpoint(context, message, file, line)
        end
      end