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;;;; atomic.test --- test suite for Guile's atomic operations -*- scheme -*-
;;;;
;;;; Copyright (C) 2016 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite atomic)
#:use-module (ice-9 atomic)
#:use-module ((oop goops) #:select (class-of <atomic-box>))
#:use-module (test-suite lib))
(with-test-prefix/c&e "atomics"
(pass-if "predicate" (atomic-box? (make-atomic-box 42)))
(pass-if-equal "ref" 42 (atomic-box-ref (make-atomic-box 42)))
(pass-if-equal "swap" 42 (atomic-box-swap! (make-atomic-box 42) 10))
(pass-if-equal "set and ref" 10
(let ((box (make-atomic-box 42)))
(atomic-box-set! box 10)
(atomic-box-ref box)))
(pass-if-equal "swap and ref" 10
(let ((box (make-atomic-box 42)))
(atomic-box-swap! box 10)
(atomic-box-ref box)))
(pass-if-equal "compare and swap" 42
(let ((box (make-atomic-box 42)))
(atomic-box-compare-and-swap! box 42 10)))
(pass-if-equal "compare and swap (wrong)" 42
(let ((box (make-atomic-box 42)))
(atomic-box-compare-and-swap! box 43 10)))
(pass-if-equal "compare and swap and ref" 10
(let ((box (make-atomic-box 42)))
(atomic-box-compare-and-swap! box 42 10)
(atomic-box-ref box)))
(pass-if-equal "compare and swap (wrong) and ref" 42
(let ((box (make-atomic-box 42)))
(atomic-box-compare-and-swap! box 43 10)
(atomic-box-ref box)))
(pass-if-equal "class-of" <atomic-box>
(class-of (make-atomic-box 42))))
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