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(port-line): Check not truncated to "int" on 64-bit systems.

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This commit is contained in:
Kevin Ryde 2007-01-27 00:07:09 +00:00
parent 5722243989
commit 144e6ab5ca
1 changed files with 12 additions and 1 deletions
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13
test-suite/tests/ports.test
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@ -1,7 +1,7 @@
;;;; ports.test --- test suite for Guile I/O ports -*- scheme -*-
;;;; Jim Blandy <jimb@red-bean.com> --- May 1999
;;;;
;;;; Copyright (C) 1999, 2001, 2004, 2006 Free Software Foundation, Inc.
;;;; Copyright (C) 1999, 2001, 2004, 2006, 2007 Free Software Foundation, Inc.
;;;;
;;;; This program is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
@ -538,6 +538,17 @@
(while (not (eof-object? (read-char port))))
(= 8 (port-column port))))))
(with-test-prefix "port-line"
;; in guile 1.8.1 and earlier port-line was truncated to an int, whereas
;; scm_t_port actually holds a long; this restricted the range on 64-bit
;; systems
(pass-if "set most-positive-fixnum/2"
(let ((n (quotient most-positive-fixnum 2))
(port (open-output-string)))
(set-port-line! port n)
(eqv? n (port-line port)))))
;;;
;;; seek
;;;