tests/gengc-barrier.pure.lisp

   1 ;;;; This software is part of the SBCL system. See the README file for
   2 ;;;; more information.
   3 ;;;;
   4 ;;;; While most of SBCL is derived from the CMU CL system, the test
   5 ;;;; files (like this one) were written from scratch after the fork
   6 ;;;; from CMU CL.
   7 ;;;;
   8 ;;;; This software is in the public domain and is provided with
   9 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  10 ;;;; more information.
  11
  12 #-soft-card-marks
  13 (invoke-restart 'run-tests::skip-file)
  14
  15 (defun assert-barriers (potential actual fun &rest compile-args)
  16   (let* ((old-potential sb-vm::*store-barriers-potentially-emitted*)
  17          (old-actual sb-vm::*store-barriers-emitted*))
  18     (apply #'checked-compile fun compile-args)
  19     (assert (= potential (- sb-vm::*store-barriers-potentially-emitted* old-potential)))
  20     (assert (= actual (- sb-vm::*store-barriers-emitted* old-actual)))))
  21
  22 (with-test (:name :rplaca-union-types)
  23   (assert-barriers 1 0
  24                    `(lambda (x y)
  25                       (when (typep y '(or fixnum null))
  26                         (rplaca x y)))))