(in-package #:trivial-backtrace-test) (deftestsuite generates-backtrace (trivial-backtrace-test) ()) (addtest (generates-backtrace) test-1 (let ((output nil)) (handler-case (let ((x 1)) (let ((y (- x (expt 1024 0)))) (declare (optimize (safety 3))) (/ 2 y))) (error (c) (setf output (print-backtrace c :output nil)))) (ensure (stringp output)) (ensure (plusp (length output)))))