; Copyright (C) 2009-2018 Kon Lovett. All rights reserved. ; ; Permission is hereby granted, free of charge, to any person ; obtaining a copy of this software and associated documentation files ; (the Software), to deal in the Software without restriction, ; including without limitation the rights to use, copy, modify, merge, ; publish, distribute, sublicense, and/or sell copies of the Software, ; and to permit persons to whom the Software is furnished to do so, ; subject to the following conditions: ; ; The above copyright notice and this permission notice shall be ; included in all copies or substantial portions of the Software. ; ; THE SOFTWARE IS PROVIDED ASIS, WITHOUT WARRANTY OF ANY KIND, EXPRESS ; OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND ; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS ; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN ; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ; SOFTWARE. (import test) (import srfi-111) (test-group "Box Mutable" (let ((tbox #f)) (test-assert (box (void))) (set! tbox (box (void))) (test-assert (box? tbox)) (set-box! tbox #t) (test-assert (unbox tbox)) (test-assert (not (box? 3))) ) ) (test-exit)